<?xml version="1.0" encoding="UTF-8" ?>

<PDBx:datablock datablockName="2ON9-noatom"
   xmlns:PDBx="http://pdbml.pdb.org/schema/pdbx-v40.xsd"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://pdbml.pdb.org/schema/pdbx-v40.xsd pdbx-v40.xsd">

   <PDBx:atom_sitesCategory>
      <PDBx:atom_sites entry_id="2ON9">
         <PDBx:fract_transf_matrix11>0.205634</PDBx:fract_transf_matrix11>
         <PDBx:fract_transf_matrix12>0.000000</PDBx:fract_transf_matrix12>
         <PDBx:fract_transf_matrix13>0.029284</PDBx:fract_transf_matrix13>
         <PDBx:fract_transf_matrix21>0.000000</PDBx:fract_transf_matrix21>
         <PDBx:fract_transf_matrix22>0.016148</PDBx:fract_transf_matrix22>
         <PDBx:fract_transf_matrix23>0.000000</PDBx:fract_transf_matrix23>
         <PDBx:fract_transf_matrix31>0.000000</PDBx:fract_transf_matrix31>
         <PDBx:fract_transf_matrix32>0.000000</PDBx:fract_transf_matrix32>
         <PDBx:fract_transf_matrix33>0.065535</PDBx:fract_transf_matrix33>
         <PDBx:fract_transf_vector1>0.000000</PDBx:fract_transf_vector1>
         <PDBx:fract_transf_vector2>0.000000</PDBx:fract_transf_vector2>
         <PDBx:fract_transf_vector3>0.000000</PDBx:fract_transf_vector3>
      </PDBx:atom_sites>
   </PDBx:atom_sitesCategory>
   <PDBx:atom_typeCategory>
      <PDBx:atom_type symbol="N"></PDBx:atom_type>
      <PDBx:atom_type symbol="C"></PDBx:atom_type>
      <PDBx:atom_type symbol="O"></PDBx:atom_type>
   </PDBx:atom_typeCategory>
   <PDBx:audit_authorCategory>
      <PDBx:audit_author pdbx_ordinal="1">
         <PDBx:name>Sambashivan, S.</PDBx:name>
      </PDBx:audit_author>
      <PDBx:audit_author pdbx_ordinal="2">
         <PDBx:name>Sawaya, M.R.</PDBx:name>
      </PDBx:audit_author>
      <PDBx:audit_author pdbx_ordinal="3">
         <PDBx:name>Eisenberg, D.</PDBx:name>
      </PDBx:audit_author>
   </PDBx:audit_authorCategory>
   <PDBx:audit_conformCategory>
      <PDBx:audit_conform dict_name="mmcif_pdbx.dic" dict_version="4.007">
         <PDBx:dict_location>http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic</PDBx:dict_location>
      </PDBx:audit_conform>
   </PDBx:audit_conformCategory>
   <PDBx:cellCategory>
      <PDBx:cell entry_id="2ON9">
         <PDBx:Z_PDB>4</PDBx:Z_PDB>
         <PDBx:angle_alpha>90.000</PDBx:angle_alpha>
         <PDBx:angle_beta>98.110</PDBx:angle_beta>
         <PDBx:angle_gamma>90.000</PDBx:angle_gamma>
         <PDBx:length_a>4.863</PDBx:length_a>
         <PDBx:length_b>61.926</PDBx:length_b>
         <PDBx:length_c>15.413</PDBx:length_c>
      </PDBx:cell>
   </PDBx:cellCategory>
   <PDBx:chem_compCategory>
      <PDBx:chem_comp id="VAL">
         <PDBx:formula>C5 H11 N O2</PDBx:formula>
         <PDBx:formula_weight>117.147</PDBx:formula_weight>
         <PDBx:mon_nstd_flag>y</PDBx:mon_nstd_flag>
         <PDBx:name>VALINE</PDBx:name>
         <PDBx:type>L-peptide linking</PDBx:type>
      </PDBx:chem_comp>
      <PDBx:chem_comp id="GLN">
         <PDBx:formula>C5 H10 N2 O3</PDBx:formula>
         <PDBx:formula_weight>146.146</PDBx:formula_weight>
         <PDBx:mon_nstd_flag>y</PDBx:mon_nstd_flag>
         <PDBx:name>GLUTAMINE</PDBx:name>
         <PDBx:type>L-peptide linking</PDBx:type>
      </PDBx:chem_comp>
      <PDBx:chem_comp id="ILE">
         <PDBx:formula>C6 H13 N O2</PDBx:formula>
         <PDBx:formula_weight>131.174</PDBx:formula_weight>
         <PDBx:mon_nstd_flag>y</PDBx:mon_nstd_flag>
         <PDBx:name>ISOLEUCINE</PDBx:name>
         <PDBx:type>L-peptide linking</PDBx:type>
      </PDBx:chem_comp>
      <PDBx:chem_comp id="TYR">
         <PDBx:formula>C9 H11 N O3</PDBx:formula>
         <PDBx:formula_weight>181.191</PDBx:formula_weight>
         <PDBx:mon_nstd_flag>y</PDBx:mon_nstd_flag>
         <PDBx:name>TYROSINE</PDBx:name>
         <PDBx:type>L-peptide linking</PDBx:type>
      </PDBx:chem_comp>
      <PDBx:chem_comp id="LYS">
         <PDBx:formula>C6 H15 N2 O2 1</PDBx:formula>
         <PDBx:formula_weight>147.197</PDBx:formula_weight>
         <PDBx:mon_nstd_flag>y</PDBx:mon_nstd_flag>
         <PDBx:name>LYSINE</PDBx:name>
         <PDBx:type>L-peptide linking</PDBx:type>
      </PDBx:chem_comp>
      <PDBx:chem_comp id="HOH">
         <PDBx:formula>H2 O</PDBx:formula>
         <PDBx:formula_weight>18.015</PDBx:formula_weight>
         <PDBx:mon_nstd_flag xsi:nil="true" />
         <PDBx:name>WATER</PDBx:name>
         <PDBx:type>non-polymer</PDBx:type>
      </PDBx:chem_comp>
   </PDBx:chem_compCategory>
   <PDBx:citationCategory>
      <PDBx:citation id="primary">
         <PDBx:country>UK</PDBx:country>
         <PDBx:journal_abbrev>Nature</PDBx:journal_abbrev>
         <PDBx:journal_id_ASTM>NATUAS</PDBx:journal_id_ASTM>
         <PDBx:journal_id_CSD>0006</PDBx:journal_id_CSD>
         <PDBx:journal_id_ISSN>0028-0836</PDBx:journal_id_ISSN>
         <PDBx:journal_volume>447</PDBx:journal_volume>
         <PDBx:page_first>453</PDBx:page_first>
         <PDBx:page_last>457</PDBx:page_last>
         <PDBx:pdbx_database_id_DOI>10.1038/nature05695</PDBx:pdbx_database_id_DOI>
         <PDBx:pdbx_database_id_PubMed>17468747</PDBx:pdbx_database_id_PubMed>
         <PDBx:title>Atomic structures of amyloid cross-beta spines reveal varied steric zippers.</PDBx:title>
         <PDBx:year>2007</PDBx:year>
      </PDBx:citation>
   </PDBx:citationCategory>
   <PDBx:citation_authorCategory>
      <PDBx:citation_author citation_id="primary" name="Sawaya, M.R." ordinal="1"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Sambashivan, S." ordinal="2"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Nelson, R." ordinal="3"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Ivanova, M.I." ordinal="4"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Sievers, S.A." ordinal="5"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Apostol, M.I." ordinal="6"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Thompson, M.J." ordinal="7"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Balbirnie, M." ordinal="8"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Wiltzius, J.J." ordinal="9"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="McFarlane, H.T." ordinal="10"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Madsen, A.O." ordinal="11"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Riekel, C." ordinal="12"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Eisenberg, D." ordinal="13"></PDBx:citation_author>
   </PDBx:citation_authorCategory>
   <PDBx:computingCategory>
      <PDBx:computing entry_id="2ON9">
         <PDBx:data_collection>BEAMLINE SPECIFIC SOFTWARE</PDBx:data_collection>
         <PDBx:pdbx_data_reduction_ds>HKL</PDBx:pdbx_data_reduction_ds>
         <PDBx:pdbx_data_reduction_ii>DENZO</PDBx:pdbx_data_reduction_ii>
         <PDBx:structure_refinement>REFMAC 5.2.0019</PDBx:structure_refinement>
         <PDBx:structure_solution>PHASER</PDBx:structure_solution>
      </PDBx:computing>
   </PDBx:computingCategory>
   <PDBx:database_2Category>
      <PDBx:database_2 database_code="2ON9" database_id="PDB"></PDBx:database_2>
      <PDBx:database_2 database_code="RCSB041346" database_id="RCSB"></PDBx:database_2>
   </PDBx:database_2Category>
   <PDBx:database_PDB_revCategory>
      <PDBx:database_PDB_rev num="1">
         <PDBx:date>2007-01-30</PDBx:date>
         <PDBx:date_original>2007-01-23</PDBx:date_original>
         <PDBx:mod_type>0</PDBx:mod_type>
         <PDBx:replaces>2ON9</PDBx:replaces>
      </PDBx:database_PDB_rev>
      <PDBx:database_PDB_rev num="2">
         <PDBx:date>2007-06-05</PDBx:date>
         <PDBx:mod_type>1</PDBx:mod_type>
         <PDBx:replaces>2ON9</PDBx:replaces>
      </PDBx:database_PDB_rev>
      <PDBx:database_PDB_rev num="3">
         <PDBx:date>2009-02-24</PDBx:date>
         <PDBx:mod_type>1</PDBx:mod_type>
         <PDBx:replaces>2ON9</PDBx:replaces>
      </PDBx:database_PDB_rev>
   </PDBx:database_PDB_revCategory>
   <PDBx:database_PDB_rev_recordCategory>
      <PDBx:database_PDB_rev_record rev_num="2" type="JRNL">
      </PDBx:database_PDB_rev_record>
      <PDBx:database_PDB_rev_record rev_num="3" type="VERSN">
      </PDBx:database_PDB_rev_record>
   </PDBx:database_PDB_rev_recordCategory>
   <PDBx:diffrnCategory>
      <PDBx:diffrn id="1">
         <PDBx:ambient_temp>100</PDBx:ambient_temp>
         <PDBx:crystal_id>1</PDBx:crystal_id>
      </PDBx:diffrn>
   </PDBx:diffrnCategory>
   <PDBx:diffrn_detectorCategory>
      <PDBx:diffrn_detector diffrn_id="1">
         <PDBx:detector>CCD</PDBx:detector>
         <PDBx:pdbx_collection_date>2005-07-16</PDBx:pdbx_collection_date>
         <PDBx:type>MAR CCD 165 mm</PDBx:type>
      </PDBx:diffrn_detector>
   </PDBx:diffrn_detectorCategory>
   <PDBx:diffrn_radiationCategory>
      <PDBx:diffrn_radiation diffrn_id="1">
         <PDBx:pdbx_diffrn_protocol>SINGLE WAVELENGTH</PDBx:pdbx_diffrn_protocol>
         <PDBx:pdbx_monochromatic_or_laue_m_l>M</PDBx:pdbx_monochromatic_or_laue_m_l>
         <PDBx:pdbx_scattering_type>x-ray</PDBx:pdbx_scattering_type>
         <PDBx:wavelength_id>1</PDBx:wavelength_id>
      </PDBx:diffrn_radiation>
   </PDBx:diffrn_radiationCategory>
   <PDBx:diffrn_radiation_wavelengthCategory>
      <PDBx:diffrn_radiation_wavelength id="1">
         <PDBx:wavelength>0.98</PDBx:wavelength>
         <PDBx:wt>1.0</PDBx:wt>
      </PDBx:diffrn_radiation_wavelength>
   </PDBx:diffrn_radiation_wavelengthCategory>
   <PDBx:diffrn_sourceCategory>
      <PDBx:diffrn_source diffrn_id="1">
         <PDBx:pdbx_synchrotron_beamline>ID13</PDBx:pdbx_synchrotron_beamline>
         <PDBx:pdbx_synchrotron_site>ESRF</PDBx:pdbx_synchrotron_site>
         <PDBx:pdbx_wavelength>0.98</PDBx:pdbx_wavelength>
         <PDBx:source>SYNCHROTRON</PDBx:source>
         <PDBx:type>ESRF BEAMLINE ID13</PDBx:type>
      </PDBx:diffrn_source>
   </PDBx:diffrn_sourceCategory>
   <PDBx:entityCategory>
      <PDBx:entity id="1">
         <PDBx:formula_weight>749.926</PDBx:formula_weight>
         <PDBx:pdbx_description>VQIVYK peptide corresponding to residues 306-311 in the tau protein</PDBx:pdbx_description>
         <PDBx:pdbx_fragment>residues 306-311</PDBx:pdbx_fragment>
         <PDBx:pdbx_number_of_molecules>2</PDBx:pdbx_number_of_molecules>
         <PDBx:src_method>syn</PDBx:src_method>
         <PDBx:type>polymer</PDBx:type>
      </PDBx:entity>
      <PDBx:entity id="2">
         <PDBx:formula_weight>18.015</PDBx:formula_weight>
         <PDBx:pdbx_description>water</PDBx:pdbx_description>
         <PDBx:pdbx_number_of_molecules>7</PDBx:pdbx_number_of_molecules>
         <PDBx:src_method>nat</PDBx:src_method>
         <PDBx:type>water</PDBx:type>
      </PDBx:entity>
   </PDBx:entityCategory>
   <PDBx:entity_keywordsCategory>
      <PDBx:entity_keywords entity_id="1">
      </PDBx:entity_keywords>
      <PDBx:entity_keywords entity_id="2">
      </PDBx:entity_keywords>
   </PDBx:entity_keywordsCategory>
   <PDBx:entity_polyCategory>
      <PDBx:entity_poly entity_id="1">
         <PDBx:nstd_linkage>no</PDBx:nstd_linkage>
         <PDBx:nstd_monomer>no</PDBx:nstd_monomer>
         <PDBx:pdbx_seq_one_letter_code>VQIVYK</PDBx:pdbx_seq_one_letter_code>
         <PDBx:pdbx_seq_one_letter_code_can>VQIVYK</PDBx:pdbx_seq_one_letter_code_can>
         <PDBx:pdbx_strand_id>A,B</PDBx:pdbx_strand_id>
         <PDBx:type>polypeptide(L)</PDBx:type>
      </PDBx:entity_poly>
   </PDBx:entity_polyCategory>
   <PDBx:entity_poly_seqCategory>
      <PDBx:entity_poly_seq entity_id="1" mon_id="VAL" num="1">
         <PDBx:hetero>n</PDBx:hetero>
      </PDBx:entity_poly_seq>
      <PDBx:entity_poly_seq entity_id="1" mon_id="GLN" num="2">
         <PDBx:hetero>n</PDBx:hetero>
      </PDBx:entity_poly_seq>
      <PDBx:entity_poly_seq entity_id="1" mon_id="ILE" num="3">
         <PDBx:hetero>n</PDBx:hetero>
      </PDBx:entity_poly_seq>
      <PDBx:entity_poly_seq entity_id="1" mon_id="VAL" num="4">
         <PDBx:hetero>n</PDBx:hetero>
      </PDBx:entity_poly_seq>
      <PDBx:entity_poly_seq entity_id="1" mon_id="TYR" num="5">
         <PDBx:hetero>n</PDBx:hetero>
      </PDBx:entity_poly_seq>
      <PDBx:entity_poly_seq entity_id="1" mon_id="LYS" num="6">
         <PDBx:hetero>n</PDBx:hetero>
      </PDBx:entity_poly_seq>
   </PDBx:entity_poly_seqCategory>
   <PDBx:entryCategory>
      <PDBx:entry id="2ON9"></PDBx:entry>
   </PDBx:entryCategory>
   <PDBx:exptlCategory>
      <PDBx:exptl entry_id="2ON9" method="X-RAY DIFFRACTION">
         <PDBx:crystals_number>1</PDBx:crystals_number>
      </PDBx:exptl>
   </PDBx:exptlCategory>
   <PDBx:exptl_crystalCategory>
      <PDBx:exptl_crystal id="1">
      </PDBx:exptl_crystal>
   </PDBx:exptl_crystalCategory>
   <PDBx:exptl_crystal_growCategory>
      <PDBx:exptl_crystal_grow crystal_id="1">
         <PDBx:method>VAPOR DIFFUSION, HANGING DROP</PDBx:method>
         <PDBx:pH>7.5</PDBx:pH>
         <PDBx:pdbx_details>Peptide concentration: 30mg/ml, peptide:Reservoir ratio 1:1, Reservoir: 0.2M Ammonium acetate, 0.1M HEPES-Na, 45&#37; MPD, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K</PDBx:pdbx_details>
         <PDBx:pdbx_pH_range xsi:nil="true" />
         <PDBx:temp>291</PDBx:temp>
      </PDBx:exptl_crystal_grow>
   </PDBx:exptl_crystal_growCategory>
   <PDBx:pdbx_database_statusCategory>
      <PDBx:pdbx_database_status entry_id="2ON9">
         <PDBx:deposit_site>RCSB</PDBx:deposit_site>
         <PDBx:process_site>RCSB</PDBx:process_site>
         <PDBx:status_code>REL</PDBx:status_code>
         <PDBx:status_code_sf>REL</PDBx:status_code_sf>
      </PDBx:pdbx_database_status>
   </PDBx:pdbx_database_statusCategory>
   <PDBx:pdbx_entity_nonpolyCategory>
      <PDBx:pdbx_entity_nonpoly entity_id="2">
         <PDBx:comp_id>HOH</PDBx:comp_id>
         <PDBx:name>water</PDBx:name>
      </PDBx:pdbx_entity_nonpoly>
   </PDBx:pdbx_entity_nonpolyCategory>
   <PDBx:pdbx_entity_src_synCategory>
      <PDBx:pdbx_entity_src_syn entity_id="1">
         <PDBx:details>Peptide was obtained from CSBio company.</PDBx:details>
      </PDBx:pdbx_entity_src_syn>
   </PDBx:pdbx_entity_src_synCategory>
   <PDBx:pdbx_nonpoly_schemeCategory>
      <PDBx:pdbx_nonpoly_scheme asym_id="C" ndb_seq_num="1">
         <PDBx:auth_mon_id>HOH</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>1</PDBx:auth_seq_num>
         <PDBx:entity_id>2</PDBx:entity_id>
         <PDBx:mon_id>HOH</PDBx:mon_id>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>HOH</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>7</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_nonpoly_scheme>
      <PDBx:pdbx_nonpoly_scheme asym_id="C" ndb_seq_num="2">
         <PDBx:auth_mon_id>HOH</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>3</PDBx:auth_seq_num>
         <PDBx:entity_id>2</PDBx:entity_id>
         <PDBx:mon_id>HOH</PDBx:mon_id>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>HOH</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>8</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_nonpoly_scheme>
      <PDBx:pdbx_nonpoly_scheme asym_id="C" ndb_seq_num="3">
         <PDBx:auth_mon_id>HOH</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>6</PDBx:auth_seq_num>
         <PDBx:entity_id>2</PDBx:entity_id>
         <PDBx:mon_id>HOH</PDBx:mon_id>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>HOH</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>9</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_nonpoly_scheme>
      <PDBx:pdbx_nonpoly_scheme asym_id="C" ndb_seq_num="4">
         <PDBx:auth_mon_id>HOH</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>8</PDBx:auth_seq_num>
         <PDBx:entity_id>2</PDBx:entity_id>
         <PDBx:mon_id>HOH</PDBx:mon_id>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>HOH</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>10</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_nonpoly_scheme>
      <PDBx:pdbx_nonpoly_scheme asym_id="D" ndb_seq_num="1">
         <PDBx:auth_mon_id>HOH</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>2</PDBx:auth_seq_num>
         <PDBx:entity_id>2</PDBx:entity_id>
         <PDBx:mon_id>HOH</PDBx:mon_id>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>HOH</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>7</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>B</PDBx:pdb_strand_id>
      </PDBx:pdbx_nonpoly_scheme>
      <PDBx:pdbx_nonpoly_scheme asym_id="D" ndb_seq_num="2">
         <PDBx:auth_mon_id>HOH</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>4</PDBx:auth_seq_num>
         <PDBx:entity_id>2</PDBx:entity_id>
         <PDBx:mon_id>HOH</PDBx:mon_id>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>HOH</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>8</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>B</PDBx:pdb_strand_id>
      </PDBx:pdbx_nonpoly_scheme>
      <PDBx:pdbx_nonpoly_scheme asym_id="D" ndb_seq_num="3">
         <PDBx:auth_mon_id>HOH</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>5</PDBx:auth_seq_num>
         <PDBx:entity_id>2</PDBx:entity_id>
         <PDBx:mon_id>HOH</PDBx:mon_id>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>HOH</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>9</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>B</PDBx:pdb_strand_id>
      </PDBx:pdbx_nonpoly_scheme>
   </PDBx:pdbx_nonpoly_schemeCategory>
   <PDBx:pdbx_poly_seq_schemeCategory>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="VAL" seq_id="1">
         <PDBx:auth_mon_id>VAL</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>1</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>1</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>VAL</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>1</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="GLN" seq_id="2">
         <PDBx:auth_mon_id>GLN</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>2</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>2</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>GLN</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>2</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="ILE" seq_id="3">
         <PDBx:auth_mon_id>ILE</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>3</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>3</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>ILE</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>3</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="VAL" seq_id="4">
         <PDBx:auth_mon_id>VAL</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>4</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>4</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>VAL</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>4</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="TYR" seq_id="5">
         <PDBx:auth_mon_id>TYR</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>5</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>5</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>TYR</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>5</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="LYS" seq_id="6">
         <PDBx:auth_mon_id>LYS</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>6</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>6</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>LYS</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>6</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="B" entity_id="1" mon_id="VAL" seq_id="1">
         <PDBx:auth_mon_id>VAL</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>1</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>1</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>VAL</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>1</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>B</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="B" entity_id="1" mon_id="GLN" seq_id="2">
         <PDBx:auth_mon_id>GLN</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>2</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>2</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>GLN</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>2</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>B</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="B" entity_id="1" mon_id="ILE" seq_id="3">
         <PDBx:auth_mon_id>ILE</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>3</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>3</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>ILE</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>3</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>B</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="B" entity_id="1" mon_id="VAL" seq_id="4">
         <PDBx:auth_mon_id>VAL</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>4</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>4</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>VAL</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>4</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>B</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="B" entity_id="1" mon_id="TYR" seq_id="5">
         <PDBx:auth_mon_id>TYR</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>5</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>5</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>TYR</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>5</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>B</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
      <PDBx:pdbx_poly_seq_scheme asym_id="B" entity_id="1" mon_id="LYS" seq_id="6">
         <PDBx:auth_mon_id>LYS</PDBx:auth_mon_id>
         <PDBx:auth_seq_num>6</PDBx:auth_seq_num>
         <PDBx:hetero>n</PDBx:hetero>
         <PDBx:ndb_seq_num>6</PDBx:ndb_seq_num>
         <PDBx:pdb_ins_code xsi:nil="true" />
         <PDBx:pdb_mon_id>LYS</PDBx:pdb_mon_id>
         <PDBx:pdb_seq_num>6</PDBx:pdb_seq_num>
         <PDBx:pdb_strand_id>B</PDBx:pdb_strand_id>
      </PDBx:pdbx_poly_seq_scheme>
   </PDBx:pdbx_poly_seq_schemeCategory>
   <PDBx:pdbx_prerelease_seqCategory>
      <PDBx:pdbx_prerelease_seq entity_id="1">
         <PDBx:seq_one_letter_code>VQIVYK</PDBx:seq_one_letter_code>
      </PDBx:pdbx_prerelease_seq>
   </PDBx:pdbx_prerelease_seqCategory>
   <PDBx:pdbx_struct_assemblyCategory>
      <PDBx:pdbx_struct_assembly id="1">
         <PDBx:details>author_defined_assembly</PDBx:details>
         <PDBx:oligomeric_count>4</PDBx:oligomeric_count>
         <PDBx:oligomeric_details>tetrameric</PDBx:oligomeric_details>
      </PDBx:pdbx_struct_assembly>
   </PDBx:pdbx_struct_assemblyCategory>
   <PDBx:pdbx_struct_assembly_genCategory>
      <PDBx:pdbx_struct_assembly_gen assembly_id="1" asym_id_list="A,C,B,D" oper_expression="1,2"></PDBx:pdbx_struct_assembly_gen>
   </PDBx:pdbx_struct_assembly_genCategory>
   <PDBx:pdbx_struct_oper_listCategory>
      <PDBx:pdbx_struct_oper_list id="1">
         <PDBx:matrix11>1.0000000000</PDBx:matrix11>
         <PDBx:matrix12>0.0000000000</PDBx:matrix12>
         <PDBx:matrix13>0.0000000000</PDBx:matrix13>
         <PDBx:matrix21>0.0000000000</PDBx:matrix21>
         <PDBx:matrix22>1.0000000000</PDBx:matrix22>
         <PDBx:matrix23>0.0000000000</PDBx:matrix23>
         <PDBx:matrix31>0.0000000000</PDBx:matrix31>
         <PDBx:matrix32>0.0000000000</PDBx:matrix32>
         <PDBx:matrix33>1.0000000000</PDBx:matrix33>
         <PDBx:name>1_555</PDBx:name>
         <PDBx:symmetry_operation>x,y,z</PDBx:symmetry_operation>
         <PDBx:type>identity operation</PDBx:type>
         <PDBx:vector1>0.0000000000</PDBx:vector1>
         <PDBx:vector2>0.0000000000</PDBx:vector2>
         <PDBx:vector3>0.0000000000</PDBx:vector3>
      </PDBx:pdbx_struct_oper_list>
      <PDBx:pdbx_struct_oper_list id="2">
         <PDBx:matrix11>1.0000000000</PDBx:matrix11>
         <PDBx:matrix12>0.0000000000</PDBx:matrix12>
         <PDBx:matrix13>0.0000000000</PDBx:matrix13>
         <PDBx:matrix21>0.0000000000</PDBx:matrix21>
         <PDBx:matrix22>1.0000000000</PDBx:matrix22>
         <PDBx:matrix23>0.0000000000</PDBx:matrix23>
         <PDBx:matrix31>0.0000000000</PDBx:matrix31>
         <PDBx:matrix32>0.0000000000</PDBx:matrix32>
         <PDBx:matrix33>1.0000000000</PDBx:matrix33>
         <PDBx:name>1_655</PDBx:name>
         <PDBx:symmetry_operation>x+1,y,z</PDBx:symmetry_operation>
         <PDBx:type>crystal symmetry operation</PDBx:type>
         <PDBx:vector1>4.8630000000</PDBx:vector1>
         <PDBx:vector2>0.0000000000</PDBx:vector2>
         <PDBx:vector3>0.0000000000</PDBx:vector3>
      </PDBx:pdbx_struct_oper_list>
   </PDBx:pdbx_struct_oper_listCategory>
   <PDBx:pdbx_versionCategory>
      <PDBx:pdbx_version entry_id="2ON9" major_version="3" minor_version="2" revision_type="Version format compliance">
         <PDBx:details>compliance with PDB format V.3.15</PDBx:details>
         <PDBx:revision_date>2008-05-01</PDBx:revision_date>
      </PDBx:pdbx_version>
      <PDBx:pdbx_version entry_id="2ON9" major_version="4" minor_version="0000" revision_type="Version format compliance">
         <PDBx:details>compliance with PDB Exchange Dictionary V4</PDBx:details>
         <PDBx:revision_date>2011-07-13</PDBx:revision_date>
      </PDBx:pdbx_version>
   </PDBx:pdbx_versionCategory>
   <PDBx:refineCategory>
      <PDBx:refine entry_id="2ON9" pdbx_refine_id="X-RAY DIFFRACTION">
         <PDBx:B_iso_mean>8.391</PDBx:B_iso_mean>
         <PDBx:aniso_B11>0.080</PDBx:aniso_B11>
         <PDBx:aniso_B12>0.000</PDBx:aniso_B12>
         <PDBx:aniso_B13>0.030</PDBx:aniso_B13>
         <PDBx:aniso_B22>-0.140</PDBx:aniso_B22>
         <PDBx:aniso_B23>0.000</PDBx:aniso_B23>
         <PDBx:aniso_B33>0.070</PDBx:aniso_B33>
         <PDBx:correlation_coeff_Fo_to_Fc>0.961</PDBx:correlation_coeff_Fo_to_Fc>
         <PDBx:correlation_coeff_Fo_to_Fc_free>0.964</PDBx:correlation_coeff_Fo_to_Fc_free>
         <PDBx:details>HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS</PDBx:details>
         <PDBx:ls_R_factor_R_free>0.225</PDBx:ls_R_factor_R_free>
         <PDBx:ls_R_factor_R_work>0.206</PDBx:ls_R_factor_R_work>
         <PDBx:ls_R_factor_obs>0.207</PDBx:ls_R_factor_obs>
         <PDBx:ls_d_res_high>1.510</PDBx:ls_d_res_high>
         <PDBx:ls_d_res_low>30.960</PDBx:ls_d_res_low>
         <PDBx:ls_number_reflns_R_free>59</PDBx:ls_number_reflns_R_free>
         <PDBx:ls_number_reflns_obs>1207</PDBx:ls_number_reflns_obs>
         <PDBx:ls_percent_reflns_R_free>4.900</PDBx:ls_percent_reflns_R_free>
         <PDBx:ls_percent_reflns_obs>85.060</PDBx:ls_percent_reflns_obs>
         <PDBx:overall_SU_B>3.485</PDBx:overall_SU_B>
         <PDBx:overall_SU_ML>0.113</PDBx:overall_SU_ML>
         <PDBx:pdbx_R_Free_selection_details>RANDOM</PDBx:pdbx_R_Free_selection_details>
         <PDBx:pdbx_diffrn_id>1</PDBx:pdbx_diffrn_id>
         <PDBx:pdbx_ls_cross_valid_method>THROUGHOUT</PDBx:pdbx_ls_cross_valid_method>
         <PDBx:pdbx_ls_sigma_F>0.00</PDBx:pdbx_ls_sigma_F>
         <PDBx:pdbx_method_to_determine_struct>MOLECULAR REPLACEMENT</PDBx:pdbx_method_to_determine_struct>
         <PDBx:pdbx_overall_ESU_R>0.139</PDBx:pdbx_overall_ESU_R>
         <PDBx:pdbx_overall_ESU_R_Free>0.117</PDBx:pdbx_overall_ESU_R_Free>
         <PDBx:pdbx_solvent_ion_probe_radii>0.800</PDBx:pdbx_solvent_ion_probe_radii>
         <PDBx:pdbx_solvent_shrinkage_radii>0.800</PDBx:pdbx_solvent_shrinkage_radii>
         <PDBx:pdbx_solvent_vdw_probe_radii>1.400</PDBx:pdbx_solvent_vdw_probe_radii>
         <PDBx:pdbx_starting_model>Extended beta strand VQIVYK</PDBx:pdbx_starting_model>
         <PDBx:pdbx_stereochemistry_target_values>MAXIMUM LIKELIHOOD</PDBx:pdbx_stereochemistry_target_values>
         <PDBx:solvent_model_details>MASK</PDBx:solvent_model_details>
      </PDBx:refine>
   </PDBx:refineCategory>
   <PDBx:refine_histCategory>
      <PDBx:refine_hist cycle_id="LAST" pdbx_refine_id="X-RAY DIFFRACTION">
         <PDBx:d_res_high>1.510</PDBx:d_res_high>
         <PDBx:d_res_low>30.960</PDBx:d_res_low>
         <PDBx:number_atoms_solvent>7</PDBx:number_atoms_solvent>
         <PDBx:number_atoms_total>113</PDBx:number_atoms_total>
         <PDBx:pdbx_number_atoms_ligand>0</PDBx:pdbx_number_atoms_ligand>
         <PDBx:pdbx_number_atoms_nucleic_acid>0</PDBx:pdbx_number_atoms_nucleic_acid>
         <PDBx:pdbx_number_atoms_protein>106</PDBx:pdbx_number_atoms_protein>
      </PDBx:refine_hist>
   </PDBx:refine_histCategory>
   <PDBx:refine_ls_restrCategory>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_bond_refined_d">
         <PDBx:dev_ideal>0.008</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.023</PDBx:dev_ideal_target>
         <PDBx:number>112</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_bond_other_d">
         <PDBx:dev_ideal>0.001</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.020</PDBx:dev_ideal_target>
         <PDBx:number>72</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_angle_refined_deg">
         <PDBx:dev_ideal>1.197</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>2.010</PDBx:dev_ideal_target>
         <PDBx:number>152</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_angle_other_deg">
         <PDBx:dev_ideal>0.757</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>3.000</PDBx:dev_ideal_target>
         <PDBx:number>182</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_dihedral_angle_1_deg">
         <PDBx:dev_ideal>4.252</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>5.000</PDBx:dev_ideal_target>
         <PDBx:number>12</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_dihedral_angle_2_deg">
         <PDBx:dev_ideal>44.032</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>25.000</PDBx:dev_ideal_target>
         <PDBx:number>4</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_dihedral_angle_3_deg">
         <PDBx:dev_ideal>11.400</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>15.000</PDBx:dev_ideal_target>
         <PDBx:number>24</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_chiral_restr">
         <PDBx:dev_ideal>0.092</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.200</PDBx:dev_ideal_target>
         <PDBx:number>20</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_gen_planes_refined">
         <PDBx:dev_ideal>0.003</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.020</PDBx:dev_ideal_target>
         <PDBx:number>109</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_gen_planes_other">
         <PDBx:dev_ideal>0.000</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.020</PDBx:dev_ideal_target>
         <PDBx:number>19</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_nbd_refined">
         <PDBx:dev_ideal>0.002</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.200</PDBx:dev_ideal_target>
         <PDBx:number>3</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_nbd_other">
         <PDBx:dev_ideal>0.178</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.200</PDBx:dev_ideal_target>
         <PDBx:number>45</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_nbtor_refined">
         <PDBx:dev_ideal>0.183</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.200</PDBx:dev_ideal_target>
         <PDBx:number>45</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_nbtor_other">
         <PDBx:dev_ideal>0.071</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.200</PDBx:dev_ideal_target>
         <PDBx:number>60</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_xyhbond_nbd_refined">
         <PDBx:dev_ideal>0.239</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.200</PDBx:dev_ideal_target>
         <PDBx:number>2</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_symmetry_vdw_refined">
         <PDBx:dev_ideal>0.121</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.200</PDBx:dev_ideal_target>
         <PDBx:number>3</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_symmetry_vdw_other">
         <PDBx:dev_ideal>0.177</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.200</PDBx:dev_ideal_target>
         <PDBx:number>13</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_symmetry_hbond_refined">
         <PDBx:dev_ideal>0.143</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>0.200</PDBx:dev_ideal_target>
         <PDBx:number>5</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_mcbond_it">
         <PDBx:dev_ideal>0.620</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>1.500</PDBx:dev_ideal_target>
         <PDBx:number>86</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_mcbond_other">
         <PDBx:dev_ideal>0.122</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>1.500</PDBx:dev_ideal_target>
         <PDBx:number>23</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_mcangle_it">
         <PDBx:dev_ideal>0.761</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>2.000</PDBx:dev_ideal_target>
         <PDBx:number>107</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_scbond_it">
         <PDBx:dev_ideal>1.110</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>3.000</PDBx:dev_ideal_target>
         <PDBx:number>68</PDBx:number>
      </PDBx:refine_ls_restr>
      <PDBx:refine_ls_restr pdbx_refine_id="X-RAY DIFFRACTION" type="r_scangle_it">
         <PDBx:dev_ideal>1.332</PDBx:dev_ideal>
         <PDBx:dev_ideal_target>4.500</PDBx:dev_ideal_target>
         <PDBx:number>44</PDBx:number>
      </PDBx:refine_ls_restr>
   </PDBx:refine_ls_restrCategory>
   <PDBx:refine_ls_shellCategory>
      <PDBx:refine_ls_shell d_res_high="1.510" pdbx_refine_id="X-RAY DIFFRACTION">
         <PDBx:R_factor_R_free>0.499</PDBx:R_factor_R_free>
         <PDBx:R_factor_R_work>0.456</PDBx:R_factor_R_work>
         <PDBx:d_res_low>1.550</PDBx:d_res_low>
         <PDBx:number_reflns_R_free>3</PDBx:number_reflns_R_free>
         <PDBx:number_reflns_R_work>76</PDBx:number_reflns_R_work>
         <PDBx:number_reflns_obs>79</PDBx:number_reflns_obs>
         <PDBx:pdbx_total_number_of_bins_used>20</PDBx:pdbx_total_number_of_bins_used>
         <PDBx:percent_reflns_obs>69.300</PDBx:percent_reflns_obs>
      </PDBx:refine_ls_shell>
   </PDBx:refine_ls_shellCategory>
   <PDBx:reflnsCategory>
      <PDBx:reflns pdbx_ordinal="1">
         <PDBx:d_resolution_high>1.500</PDBx:d_resolution_high>
         <PDBx:d_resolution_low>90.000</PDBx:d_resolution_low>
         <PDBx:entry_id>2ON9</PDBx:entry_id>
         <PDBx:number_obs>1222</PDBx:number_obs>
         <PDBx:pdbx_Rmerge_I_obs>0.161</PDBx:pdbx_Rmerge_I_obs>
         <PDBx:pdbx_chi_squared>1.058</PDBx:pdbx_chi_squared>
         <PDBx:pdbx_diffrn_id>1</PDBx:pdbx_diffrn_id>
         <PDBx:pdbx_netI_over_sigmaI>3.800</PDBx:pdbx_netI_over_sigmaI>
         <PDBx:pdbx_redundancy>2.89</PDBx:pdbx_redundancy>
         <PDBx:percent_possible_obs>85.400</PDBx:percent_possible_obs>
      </PDBx:reflns>
   </PDBx:reflnsCategory>
   <PDBx:reflns_shellCategory>
      <PDBx:reflns_shell pdbx_ordinal="1">
         <PDBx:Rmerge_I_obs>0.489</PDBx:Rmerge_I_obs>
         <PDBx:d_res_high>1.50</PDBx:d_res_high>
         <PDBx:d_res_low>1.62</PDBx:d_res_low>
         <PDBx:number_unique_all>238</PDBx:number_unique_all>
         <PDBx:pdbx_chi_squared>1.104</PDBx:pdbx_chi_squared>
         <PDBx:pdbx_diffrn_id>1</PDBx:pdbx_diffrn_id>
         <PDBx:percent_possible_all>77.00</PDBx:percent_possible_all>
      </PDBx:reflns_shell>
   </PDBx:reflns_shellCategory>
   <PDBx:softwareCategory>
      <PDBx:software pdbx_ordinal="1">
         <PDBx:classification>data  processing</PDBx:classification>
         <PDBx:contact_author>Zbyszek Otwinowski</PDBx:contact_author>
         <PDBx:contact_author_email>zbyszek@mix.swmed.edu</PDBx:contact_author_email>
         <PDBx:location>http://www.lnls.br/infra/linhasluz/denzo-hkl.htm</PDBx:location>
         <PDBx:name>HKL</PDBx:name>
         <PDBx:type>package</PDBx:type>
      </PDBx:software>
      <PDBx:software pdbx_ordinal="2">
         <PDBx:classification>molecular replacement</PDBx:classification>
         <PDBx:contact_author>R. J. Read</PDBx:contact_author>
         <PDBx:contact_author_email>cimr-phaser@lists.cam.ac.uk</PDBx:contact_author_email>
         <PDBx:location>http://www-structmed.cimr.cam.ac.uk/phaser/</PDBx:location>
         <PDBx:name>Phaser</PDBx:name>
         <PDBx:type>other</PDBx:type>
      </PDBx:software>
      <PDBx:software pdbx_ordinal="3">
         <PDBx:classification>refinement</PDBx:classification>
         <PDBx:contact_author>Murshudov, G.N.</PDBx:contact_author>
         <PDBx:contact_author_email>ccp4@dl.ac.uk</PDBx:contact_author_email>
         <PDBx:language>Fortran_77</PDBx:language>
         <PDBx:location>http://www.ccp4.ac.uk/main.html</PDBx:location>
         <PDBx:name>REFMAC5</PDBx:name>
         <PDBx:type>program</PDBx:type>
      </PDBx:software>
      <PDBx:software pdbx_ordinal="4">
         <PDBx:classification>data extraction</PDBx:classification>
         <PDBx:contact_author>PDB</PDBx:contact_author>
         <PDBx:contact_author_email>sw-help@rcsb.rutgers.edu</PDBx:contact_author_email>
         <PDBx:date>April. 3, 2006</PDBx:date>
         <PDBx:language>C++</PDBx:language>
         <PDBx:location>http://pdb.rutgers.edu/software/</PDBx:location>
         <PDBx:name>pdb_extract</PDBx:name>
         <PDBx:type>package</PDBx:type>
         <PDBx:version>2.000</PDBx:version>
      </PDBx:software>
   </PDBx:softwareCategory>
   <PDBx:structCategory>
      <PDBx:struct entry_id="2ON9">
         <PDBx:pdbx_descriptor>VQIVYK peptide corresponding to residues 306-311 in the tau protein</PDBx:pdbx_descriptor>
         <PDBx:title>Structure of an amyloid forming peptide VQIVYK from the repeat region of Tau</PDBx:title>
      </PDBx:struct>
   </PDBx:structCategory>
   <PDBx:struct_asymCategory>
      <PDBx:struct_asym id="A">
         <PDBx:entity_id>1</PDBx:entity_id>
         <PDBx:pdbx_blank_PDB_chainid_flag>N</PDBx:pdbx_blank_PDB_chainid_flag>
         <PDBx:pdbx_modified>N</PDBx:pdbx_modified>
      </PDBx:struct_asym>
      <PDBx:struct_asym id="B">
         <PDBx:entity_id>1</PDBx:entity_id>
         <PDBx:pdbx_blank_PDB_chainid_flag>N</PDBx:pdbx_blank_PDB_chainid_flag>
         <PDBx:pdbx_modified>N</PDBx:pdbx_modified>
      </PDBx:struct_asym>
      <PDBx:struct_asym id="C">
         <PDBx:entity_id>2</PDBx:entity_id>
         <PDBx:pdbx_blank_PDB_chainid_flag>N</PDBx:pdbx_blank_PDB_chainid_flag>
         <PDBx:pdbx_modified>N</PDBx:pdbx_modified>
      </PDBx:struct_asym>
      <PDBx:struct_asym id="D">
         <PDBx:entity_id>2</PDBx:entity_id>
         <PDBx:pdbx_blank_PDB_chainid_flag>N</PDBx:pdbx_blank_PDB_chainid_flag>
         <PDBx:pdbx_modified>N</PDBx:pdbx_modified>
      </PDBx:struct_asym>
   </PDBx:struct_asymCategory>
   <PDBx:struct_biolCategory>
      <PDBx:struct_biol id="1"></PDBx:struct_biol>
   </PDBx:struct_biolCategory>
   <PDBx:struct_keywordsCategory>
      <PDBx:struct_keywords entry_id="2ON9">
         <PDBx:pdbx_keywords>PROTEIN FIBRIL</PDBx:pdbx_keywords>
         <PDBx:text>parallel face-to-face-Up/Up beta sheets, steric zipper, PROTEIN FIBRIL</PDBx:text>
      </PDBx:struct_keywords>
   </PDBx:struct_keywordsCategory>
   <PDBx:struct_refCategory>
      <PDBx:struct_ref id="1">
         <PDBx:biol_id xsi:nil="true" />
         <PDBx:db_code>2ON9</PDBx:db_code>
         <PDBx:db_name>PDB</PDBx:db_name>
         <PDBx:entity_id>1</PDBx:entity_id>
         <PDBx:pdbx_db_accession>2ON9</PDBx:pdbx_db_accession>
      </PDBx:struct_ref>
   </PDBx:struct_refCategory>
   <PDBx:struct_ref_seqCategory>
      <PDBx:struct_ref_seq align_id="1">
         <PDBx:db_align_beg>1</PDBx:db_align_beg>
         <PDBx:db_align_end>6</PDBx:db_align_end>
         <PDBx:pdbx_PDB_id_code>2ON9</PDBx:pdbx_PDB_id_code>
         <PDBx:pdbx_auth_seq_align_beg>1</PDBx:pdbx_auth_seq_align_beg>
         <PDBx:pdbx_auth_seq_align_end>6</PDBx:pdbx_auth_seq_align_end>
         <PDBx:pdbx_db_accession>2ON9</PDBx:pdbx_db_accession>
         <PDBx:pdbx_strand_id>A</PDBx:pdbx_strand_id>
         <PDBx:ref_id>1</PDBx:ref_id>
         <PDBx:seq_align_beg>1</PDBx:seq_align_beg>
         <PDBx:seq_align_end>6</PDBx:seq_align_end>
      </PDBx:struct_ref_seq>
      <PDBx:struct_ref_seq align_id="2">
         <PDBx:db_align_beg>1</PDBx:db_align_beg>
         <PDBx:db_align_end>6</PDBx:db_align_end>
         <PDBx:pdbx_PDB_id_code>2ON9</PDBx:pdbx_PDB_id_code>
         <PDBx:pdbx_auth_seq_align_beg>1</PDBx:pdbx_auth_seq_align_beg>
         <PDBx:pdbx_auth_seq_align_end>6</PDBx:pdbx_auth_seq_align_end>
         <PDBx:pdbx_db_accession>2ON9</PDBx:pdbx_db_accession>
         <PDBx:pdbx_strand_id>B</PDBx:pdbx_strand_id>
         <PDBx:ref_id>1</PDBx:ref_id>
         <PDBx:seq_align_beg>1</PDBx:seq_align_beg>
         <PDBx:seq_align_end>6</PDBx:seq_align_end>
      </PDBx:struct_ref_seq>
   </PDBx:struct_ref_seqCategory>
   <PDBx:symmetryCategory>
      <PDBx:symmetry entry_id="2ON9">
         <PDBx:Int_Tables_number>4</PDBx:Int_Tables_number>
         <PDBx:space_group_name_H-M>P 1 21 1</PDBx:space_group_name_H-M>
      </PDBx:symmetry>
   </PDBx:symmetryCategory>
</PDBx:datablock>
