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

<PDBx:datablock datablockName="1KES-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="1KES">
         <PDBx:fract_transf_matrix11>1.000000</PDBx:fract_transf_matrix11>
         <PDBx:fract_transf_matrix12>0.000000</PDBx:fract_transf_matrix12>
         <PDBx:fract_transf_matrix13>0.000000</PDBx:fract_transf_matrix13>
         <PDBx:fract_transf_matrix21>0.000000</PDBx:fract_transf_matrix21>
         <PDBx:fract_transf_matrix22>1.000000</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>1.000000</PDBx:fract_transf_matrix33>
         <PDBx:fract_transf_vector1>0.00000</PDBx:fract_transf_vector1>
         <PDBx:fract_transf_vector2>0.00000</PDBx:fract_transf_vector2>
         <PDBx:fract_transf_vector3>0.00000</PDBx:fract_transf_vector3>
      </PDBx:atom_sites>
   </PDBx:atom_sitesCategory>
   <PDBx:atom_typeCategory>
      <PDBx:atom_type symbol="C"></PDBx:atom_type>
      <PDBx:atom_type symbol="O"></PDBx:atom_type>
      <PDBx:atom_type symbol="S"></PDBx:atom_type>
      <PDBx:atom_type symbol="N"></PDBx:atom_type>
   </PDBx:atom_typeCategory>
   <PDBx:audit_authorCategory>
      <PDBx:audit_author pdbx_ordinal="1">
         <PDBx:name>Arnott, S.</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="1KES">
         <PDBx:Z_PDB>1</PDBx:Z_PDB>
         <PDBx:angle_alpha>90.00</PDBx:angle_alpha>
         <PDBx:angle_beta>90.00</PDBx:angle_beta>
         <PDBx:angle_gamma>90.00</PDBx:angle_gamma>
         <PDBx:length_a>1.000</PDBx:length_a>
         <PDBx:length_b>1.000</PDBx:length_b>
         <PDBx:length_c>1.000</PDBx:length_c>
      </PDBx:cell>
   </PDBx:cellCategory>
   <PDBx:chem_compCategory>
      <PDBx:chem_comp id="G6S">
         <PDBx:formula>C6 H12 O9 S</PDBx:formula>
         <PDBx:formula_weight>260.215</PDBx:formula_weight>
         <PDBx:mon_nstd_flag xsi:nil="true" />
         <PDBx:name>D-GALACTOSE-6-SULFATE</PDBx:name>
         <PDBx:type>D-saccharide</PDBx:type>
      </PDBx:chem_comp>
      <PDBx:chem_comp id="NGS">
         <PDBx:formula>C8 H15 N O9 S</PDBx:formula>
         <PDBx:formula_weight>301.268</PDBx:formula_weight>
         <PDBx:mon_nstd_flag xsi:nil="true" />
         <PDBx:name>2-(ACETYLAMINO)-2-DEOXY-6-O-SULFO-BETA-D-GLUCOPYRANOSE</PDBx:name>
         <PDBx:pdbx_synonyms>N-ACETYL-D-GLUCOSAMINE-6-SULFATE</PDBx:pdbx_synonyms>
         <PDBx:type>D-saccharide</PDBx:type>
      </PDBx:chem_comp>
   </PDBx:chem_compCategory>
   <PDBx:citationCategory>
      <PDBx:citation id="primary">
         <PDBx:country>UK</PDBx:country>
         <PDBx:journal_abbrev>J.Mol.Biol.</PDBx:journal_abbrev>
         <PDBx:journal_id_ASTM>JMOBAK</PDBx:journal_id_ASTM>
         <PDBx:journal_id_CSD>0070</PDBx:journal_id_CSD>
         <PDBx:journal_id_ISSN>0022-2836</PDBx:journal_id_ISSN>
         <PDBx:journal_volume>88</PDBx:journal_volume>
         <PDBx:page_first>175</PDBx:page_first>
         <PDBx:page_last>184</PDBx:page_last>
         <PDBx:pdbx_database_id_DOI>10.1016/0022-2836(74)90303-9</PDBx:pdbx_database_id_DOI>
         <PDBx:pdbx_database_id_PubMed>4280446</PDBx:pdbx_database_id_PubMed>
         <PDBx:title>Conformation of keratan sulphate.</PDBx:title>
         <PDBx:year>1974</PDBx:year>
      </PDBx:citation>
      <PDBx:citation id="1">
         <PDBx:country>UK</PDBx:country>
         <PDBx:journal_abbrev>J.Chem.Soc.,Perkin Trans.2</PDBx:journal_abbrev>
         <PDBx:journal_id_ASTM>JCPKBH</PDBx:journal_id_ASTM>
         <PDBx:journal_id_CSD>0188</PDBx:journal_id_CSD>
         <PDBx:journal_id_ISSN>0300-9580</PDBx:journal_id_ISSN>
         <PDBx:page_first>324</PDBx:page_first>
         <PDBx:title>Accurate X-Ray Diffraction Analysis of Fibrous Polysaccharides Containing Pyranose Rings. Part 1 the Linked-Atom Approach.</PDBx:title>
         <PDBx:year>1972</PDBx:year>
      </PDBx:citation>
   </PDBx:citationCategory>
   <PDBx:citation_authorCategory>
      <PDBx:citation_author citation_id="primary" name="Arnott, S." ordinal="1"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Gus, J.M." ordinal="2"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Hukins, D.W." ordinal="3"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Dea, I.C." ordinal="4"></PDBx:citation_author>
      <PDBx:citation_author citation_id="primary" name="Rees, D.A." ordinal="5"></PDBx:citation_author>
      <PDBx:citation_author citation_id="1" name="Arnott, S." ordinal="6"></PDBx:citation_author>
      <PDBx:citation_author citation_id="1" name="Scott, W.E." ordinal="7"></PDBx:citation_author>
   </PDBx:citation_authorCategory>
   <PDBx:computingCategory>
      <PDBx:computing entry_id="1KES">
         <PDBx:structure_refinement>LALS</PDBx:structure_refinement>
      </PDBx:computing>
   </PDBx:computingCategory>
   <PDBx:database_2Category>
      <PDBx:database_2 database_code="1KES" database_id="PDB"></PDBx:database_2>
   </PDBx:database_2Category>
   <PDBx:database_PDB_matrixCategory>
      <PDBx:database_PDB_matrix entry_id="1KES">
         <PDBx:origx11>.100000</PDBx:origx11>
         <PDBx:origx12>0.000000</PDBx:origx12>
         <PDBx:origx13>0.000000</PDBx:origx13>
         <PDBx:origx21>0.000000</PDBx:origx21>
         <PDBx:origx22>.100000</PDBx:origx22>
         <PDBx:origx23>0.000000</PDBx:origx23>
         <PDBx:origx31>0.000000</PDBx:origx31>
         <PDBx:origx32>0.000000</PDBx:origx32>
         <PDBx:origx33>.100000</PDBx:origx33>
         <PDBx:origx_vector1>0.00000</PDBx:origx_vector1>
         <PDBx:origx_vector2>0.00000</PDBx:origx_vector2>
         <PDBx:origx_vector3>0.00000</PDBx:origx_vector3>
      </PDBx:database_PDB_matrix>
   </PDBx:database_PDB_matrixCategory>
   <PDBx:database_PDB_revCategory>
      <PDBx:database_PDB_rev num="1">
         <PDBx:date>1980-03-28</PDBx:date>
         <PDBx:date_original>1978-05-23</PDBx:date_original>
         <PDBx:mod_type>0</PDBx:mod_type>
         <PDBx:replaces>1KES</PDBx:replaces>
      </PDBx:database_PDB_rev>
      <PDBx:database_PDB_rev num="2">
         <PDBx:date>1983-09-30</PDBx:date>
         <PDBx:mod_type>1</PDBx:mod_type>
         <PDBx:replaces>1KES</PDBx:replaces>
      </PDBx:database_PDB_rev>
      <PDBx:database_PDB_rev num="3">
         <PDBx:date>1994-10-15</PDBx:date>
         <PDBx:mod_type>3</PDBx:mod_type>
         <PDBx:replaces>1KES</PDBx:replaces>
      </PDBx:database_PDB_rev>
      <PDBx:database_PDB_rev num="4">
         <PDBx:date>2003-04-01</PDBx:date>
         <PDBx:mod_type>1</PDBx:mod_type>
         <PDBx:replaces>1KES</PDBx:replaces>
      </PDBx:database_PDB_rev>
      <PDBx:database_PDB_rev num="5">
         <PDBx:date>2009-02-24</PDBx:date>
         <PDBx:mod_type>1</PDBx:mod_type>
         <PDBx:replaces>1KES</PDBx:replaces>
      </PDBx:database_PDB_rev>
      <PDBx:database_PDB_rev num="6">
         <PDBx:date>2009-08-25</PDBx:date>
         <PDBx:mod_type>1</PDBx:mod_type>
         <PDBx:replaces>1KES</PDBx:replaces>
      </PDBx:database_PDB_rev>
   </PDBx:database_PDB_revCategory>
   <PDBx:database_PDB_rev_recordCategory>
      <PDBx:database_PDB_rev_record rev_num="2" type="REVDAT">
      </PDBx:database_PDB_rev_record>
      <PDBx:database_PDB_rev_record rev_num="3" type="EXPDTA">
      </PDBx:database_PDB_rev_record>
      <PDBx:database_PDB_rev_record rev_num="3" type="CRYST1">
      </PDBx:database_PDB_rev_record>
      <PDBx:database_PDB_rev_record rev_num="3" type="SCALE">
      </PDBx:database_PDB_rev_record>
      <PDBx:database_PDB_rev_record rev_num="4" type="JRNL">
      </PDBx:database_PDB_rev_record>
      <PDBx:database_PDB_rev_record rev_num="5" type="VERSN">
      </PDBx:database_PDB_rev_record>
      <PDBx:database_PDB_rev_record rev_num="6" type="SOURCE">
      </PDBx:database_PDB_rev_record>
   </PDBx:database_PDB_rev_recordCategory>
   <PDBx:database_PDB_tvectCategory>
      <PDBx:database_PDB_tvect id="1">
         <PDBx:vector1>0.00000</PDBx:vector1>
         <PDBx:vector2>0.00000</PDBx:vector2>
         <PDBx:vector3>18.90000</PDBx:vector3>
      </PDBx:database_PDB_tvect>
   </PDBx:database_PDB_tvectCategory>
   <PDBx:diffrnCategory>
      <PDBx:diffrn id="1">
         <PDBx:crystal_id>1</PDBx:crystal_id>
      </PDBx:diffrn>
   </PDBx:diffrnCategory>
   <PDBx:entityCategory>
      <PDBx:entity id="1">
         <PDBx:formula_weight>1068.921</PDBx:formula_weight>
         <PDBx:pdbx_description>SUGAR (4-MER)</PDBx:pdbx_description>
         <PDBx:pdbx_number_of_molecules>1</PDBx:pdbx_number_of_molecules>
         <PDBx:src_method>man</PDBx:src_method>
         <PDBx:type>polymer</PDBx:type>
      </PDBx:entity>
   </PDBx:entityCategory>
   <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>(G6S)(NGS)(G6S)(NGS)</PDBx:pdbx_seq_one_letter_code>
         <PDBx:pdbx_seq_one_letter_code_can>XXXX</PDBx:pdbx_seq_one_letter_code_can>
         <PDBx:pdbx_strand_id>A</PDBx:pdbx_strand_id>
         <PDBx:type>polysaccharide(D)</PDBx:type>
      </PDBx:entity_poly>
   </PDBx:entity_polyCategory>
   <PDBx:entity_poly_seqCategory>
      <PDBx:entity_poly_seq entity_id="1" mon_id="G6S" num="1">
         <PDBx:hetero>n</PDBx:hetero>
      </PDBx:entity_poly_seq>
      <PDBx:entity_poly_seq entity_id="1" mon_id="NGS" num="2">
         <PDBx:hetero>n</PDBx:hetero>
      </PDBx:entity_poly_seq>
      <PDBx:entity_poly_seq entity_id="1" mon_id="G6S" num="3">
         <PDBx:hetero>n</PDBx:hetero>
      </PDBx:entity_poly_seq>
      <PDBx:entity_poly_seq entity_id="1" mon_id="NGS" num="4">
         <PDBx:hetero>n</PDBx:hetero>
      </PDBx:entity_poly_seq>
   </PDBx:entity_poly_seqCategory>
   <PDBx:entity_src_genCategory>
      <PDBx:entity_src_gen entity_id="1">
         <PDBx:gene_src_common_name>bovine</PDBx:gene_src_common_name>
         <PDBx:gene_src_tissue>CORNEA</PDBx:gene_src_tissue>
         <PDBx:pdbx_gene_src_ncbi_taxonomy_id>9913</PDBx:pdbx_gene_src_ncbi_taxonomy_id>
         <PDBx:pdbx_gene_src_scientific_name>Bos taurus</PDBx:pdbx_gene_src_scientific_name>
      </PDBx:entity_src_gen>
   </PDBx:entity_src_genCategory>
   <PDBx:entryCategory>
      <PDBx:entry id="1KES"></PDBx:entry>
   </PDBx:entryCategory>
   <PDBx:exptlCategory>
      <PDBx:exptl entry_id="1KES" method="FIBER DIFFRACTION">
      </PDBx:exptl>
   </PDBx:exptlCategory>
   <PDBx:exptl_crystalCategory>
      <PDBx:exptl_crystal id="1">
      </PDBx:exptl_crystal>
   </PDBx:exptl_crystalCategory>
   <PDBx:pdbx_database_statusCategory>
      <PDBx:pdbx_database_status entry_id="1KES">
         <PDBx:SG_entry xsi:nil="true" />
         <PDBx:status_code>REL</PDBx:status_code>
      </PDBx:pdbx_database_status>
   </PDBx:pdbx_database_statusCategory>
   <PDBx:pdbx_poly_seq_schemeCategory>
      <PDBx:pdbx_poly_seq_scheme asym_id="A" entity_id="1" mon_id="G6S" seq_id="1">
         <PDBx:auth_mon_id>GLS</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>G6S</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="NGS" seq_id="2">
         <PDBx:auth_mon_id>NGS</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>NGS</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="G6S" seq_id="3">
         <PDBx:auth_mon_id>GLS</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>G6S</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="NGS" seq_id="4">
         <PDBx:auth_mon_id>NGS</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>NGS</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_schemeCategory>
   <PDBx:pdbx_struct_chem_comp_diagnosticsCategory>
      <PDBx:pdbx_struct_chem_comp_diagnostics ordinal="1">
         <PDBx:asym_id>A</PDBx:asym_id>
         <PDBx:auth_comp_id>NGS</PDBx:auth_comp_id>
         <PDBx:auth_seq_id>2</PDBx:auth_seq_id>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
         <PDBx:type>GEOMETRY</PDBx:type>
      </PDBx:pdbx_struct_chem_comp_diagnostics>
      <PDBx:pdbx_struct_chem_comp_diagnostics ordinal="2">
         <PDBx:asym_id>A</PDBx:asym_id>
         <PDBx:auth_comp_id>NGS</PDBx:auth_comp_id>
         <PDBx:auth_seq_id>2</PDBx:auth_seq_id>
         <PDBx:pdb_strand_id>A</PDBx:pdb_strand_id>
         <PDBx:type>STEREOCHEMISTRY</PDBx:type>
      </PDBx:pdbx_struct_chem_comp_diagnostics>
   </PDBx:pdbx_struct_chem_comp_diagnosticsCategory>
   <PDBx:pdbx_unobs_or_zero_occ_atomsCategory>
      <PDBx:pdbx_unobs_or_zero_occ_atoms id="1">
         <PDBx:PDB_model_num>1</PDBx:PDB_model_num>
         <PDBx:auth_asym_id>A</PDBx:auth_asym_id>
         <PDBx:auth_atom_id>O3</PDBx:auth_atom_id>
         <PDBx:auth_comp_id>G6S</PDBx:auth_comp_id>
         <PDBx:auth_seq_id>1</PDBx:auth_seq_id>
         <PDBx:occupancy_flag>1</PDBx:occupancy_flag>
         <PDBx:polymer_flag>N</PDBx:polymer_flag>
      </PDBx:pdbx_unobs_or_zero_occ_atoms>
      <PDBx:pdbx_unobs_or_zero_occ_atoms id="2">
         <PDBx:PDB_model_num>1</PDBx:PDB_model_num>
         <PDBx:auth_asym_id>A</PDBx:auth_asym_id>
         <PDBx:auth_atom_id>O3</PDBx:auth_atom_id>
         <PDBx:auth_comp_id>G6S</PDBx:auth_comp_id>
         <PDBx:auth_seq_id>3</PDBx:auth_seq_id>
         <PDBx:occupancy_flag>1</PDBx:occupancy_flag>
         <PDBx:polymer_flag>N</PDBx:polymer_flag>
      </PDBx:pdbx_unobs_or_zero_occ_atoms>
   </PDBx:pdbx_unobs_or_zero_occ_atomsCategory>
   <PDBx:pdbx_versionCategory>
      <PDBx:pdbx_version entry_id="1KES" 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>2008-03-21</PDBx:revision_date>
      </PDBx:pdbx_version>
      <PDBx:pdbx_version entry_id="1KES" 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="1KES" pdbx_refine_id="FIBER DIFFRACTION">
         <PDBx:ls_d_res_high>3.0</PDBx:ls_d_res_high>
         <PDBx:pdbx_diffrn_id>1</PDBx:pdbx_diffrn_id>
      </PDBx:refine>
   </PDBx:refineCategory>
   <PDBx:refine_histCategory>
      <PDBx:refine_hist cycle_id="LAST" pdbx_refine_id="FIBER DIFFRACTION">
         <PDBx:d_res_high>3.0</PDBx:d_res_high>
         <PDBx:d_res_low xsi:nil="true" />
         <PDBx:number_atoms_solvent>0</PDBx:number_atoms_solvent>
         <PDBx:number_atoms_total>66</PDBx:number_atoms_total>
         <PDBx:pdbx_number_atoms_ligand>66</PDBx:pdbx_number_atoms_ligand>
         <PDBx:pdbx_number_atoms_nucleic_acid>0</PDBx:pdbx_number_atoms_nucleic_acid>
         <PDBx:pdbx_number_atoms_protein>0</PDBx:pdbx_number_atoms_protein>
      </PDBx:refine_hist>
   </PDBx:refine_histCategory>
   <PDBx:softwareCategory>
      <PDBx:software pdbx_ordinal="1">
         <PDBx:classification>refinement</PDBx:classification>
         <PDBx:name>LINKED-ATOM</PDBx:name>
         <PDBx:version>LEAST-SQUARES MODEL-BUILDING PROCEDURE</PDBx:version>
      </PDBx:software>
   </PDBx:softwareCategory>
   <PDBx:structCategory>
      <PDBx:struct entry_id="1KES">
         <PDBx:pdbx_descriptor>KERATAN SULFATE (SULFATED POLY(GALACTOSYL-N-ACETYL GLUCOSAMINE))</PDBx:pdbx_descriptor>
         <PDBx:title>CONFORMATION OF KERATAN SULPHATE</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_asymCategory>
   <PDBx:struct_biolCategory>
      <PDBx:struct_biol id="1">
         <PDBx:details>THE FOUR-RESIDUE CHAIN SEGMENT GIVEN HERE WAS GENERATED
FROM THE PUBLISHED TWO-RESIDUE SEGMENT BY APPLICATION OF
THE TWO-FOLD SCREW AXIS PARALLEL TO Z AND PASSING THROUGH
X=0,Y=0.</PDBx:details>
      </PDBx:struct_biol>
   </PDBx:struct_biolCategory>
   <PDBx:struct_connCategory>
      <PDBx:struct_conn id="covale1">
         <PDBx:conn_type_id>covale</PDBx:conn_type_id>
         <PDBx:pdbx_dist_value>1.428</PDBx:pdbx_dist_value>
         <PDBx:ptnr1_auth_asym_id>A</PDBx:ptnr1_auth_asym_id>
         <PDBx:ptnr1_auth_comp_id>G6S</PDBx:ptnr1_auth_comp_id>
         <PDBx:ptnr1_auth_seq_id>1</PDBx:ptnr1_auth_seq_id>
         <PDBx:ptnr1_label_asym_id>A</PDBx:ptnr1_label_asym_id>
         <PDBx:ptnr1_label_atom_id>C3</PDBx:ptnr1_label_atom_id>
         <PDBx:ptnr1_label_comp_id>G6S</PDBx:ptnr1_label_comp_id>
         <PDBx:ptnr1_label_seq_id>1</PDBx:ptnr1_label_seq_id>
         <PDBx:ptnr1_symmetry>1_555</PDBx:ptnr1_symmetry>
         <PDBx:ptnr2_auth_asym_id>A</PDBx:ptnr2_auth_asym_id>
         <PDBx:ptnr2_auth_comp_id>NGS</PDBx:ptnr2_auth_comp_id>
         <PDBx:ptnr2_auth_seq_id>2</PDBx:ptnr2_auth_seq_id>
         <PDBx:ptnr2_label_asym_id>A</PDBx:ptnr2_label_asym_id>
         <PDBx:ptnr2_label_atom_id>O1</PDBx:ptnr2_label_atom_id>
         <PDBx:ptnr2_label_comp_id>NGS</PDBx:ptnr2_label_comp_id>
         <PDBx:ptnr2_label_seq_id>2</PDBx:ptnr2_label_seq_id>
         <PDBx:ptnr2_symmetry>1_555</PDBx:ptnr2_symmetry>
      </PDBx:struct_conn>
      <PDBx:struct_conn id="covale2">
         <PDBx:conn_type_id>covale</PDBx:conn_type_id>
         <PDBx:pdbx_dist_value>1.426</PDBx:pdbx_dist_value>
         <PDBx:ptnr1_auth_asym_id>A</PDBx:ptnr1_auth_asym_id>
         <PDBx:ptnr1_auth_comp_id>NGS</PDBx:ptnr1_auth_comp_id>
         <PDBx:ptnr1_auth_seq_id>2</PDBx:ptnr1_auth_seq_id>
         <PDBx:ptnr1_label_asym_id>A</PDBx:ptnr1_label_asym_id>
         <PDBx:ptnr1_label_atom_id>C4</PDBx:ptnr1_label_atom_id>
         <PDBx:ptnr1_label_comp_id>NGS</PDBx:ptnr1_label_comp_id>
         <PDBx:ptnr1_label_seq_id>2</PDBx:ptnr1_label_seq_id>
         <PDBx:ptnr1_symmetry>1_555</PDBx:ptnr1_symmetry>
         <PDBx:ptnr2_auth_asym_id>A</PDBx:ptnr2_auth_asym_id>
         <PDBx:ptnr2_auth_comp_id>G6S</PDBx:ptnr2_auth_comp_id>
         <PDBx:ptnr2_auth_seq_id>3</PDBx:ptnr2_auth_seq_id>
         <PDBx:ptnr2_label_asym_id>A</PDBx:ptnr2_label_asym_id>
         <PDBx:ptnr2_label_atom_id>O1</PDBx:ptnr2_label_atom_id>
         <PDBx:ptnr2_label_comp_id>G6S</PDBx:ptnr2_label_comp_id>
         <PDBx:ptnr2_label_seq_id>3</PDBx:ptnr2_label_seq_id>
         <PDBx:ptnr2_symmetry>1_555</PDBx:ptnr2_symmetry>
      </PDBx:struct_conn>
      <PDBx:struct_conn id="covale3">
         <PDBx:conn_type_id>covale</PDBx:conn_type_id>
         <PDBx:pdbx_dist_value>1.428</PDBx:pdbx_dist_value>
         <PDBx:ptnr1_auth_asym_id>A</PDBx:ptnr1_auth_asym_id>
         <PDBx:ptnr1_auth_comp_id>G6S</PDBx:ptnr1_auth_comp_id>
         <PDBx:ptnr1_auth_seq_id>3</PDBx:ptnr1_auth_seq_id>
         <PDBx:ptnr1_label_asym_id>A</PDBx:ptnr1_label_asym_id>
         <PDBx:ptnr1_label_atom_id>C3</PDBx:ptnr1_label_atom_id>
         <PDBx:ptnr1_label_comp_id>G6S</PDBx:ptnr1_label_comp_id>
         <PDBx:ptnr1_label_seq_id>3</PDBx:ptnr1_label_seq_id>
         <PDBx:ptnr1_symmetry>1_555</PDBx:ptnr1_symmetry>
         <PDBx:ptnr2_auth_asym_id>A</PDBx:ptnr2_auth_asym_id>
         <PDBx:ptnr2_auth_comp_id>NGS</PDBx:ptnr2_auth_comp_id>
         <PDBx:ptnr2_auth_seq_id>4</PDBx:ptnr2_auth_seq_id>
         <PDBx:ptnr2_label_asym_id>A</PDBx:ptnr2_label_asym_id>
         <PDBx:ptnr2_label_atom_id>O1</PDBx:ptnr2_label_atom_id>
         <PDBx:ptnr2_label_comp_id>NGS</PDBx:ptnr2_label_comp_id>
         <PDBx:ptnr2_label_seq_id>4</PDBx:ptnr2_label_seq_id>
         <PDBx:ptnr2_symmetry>1_555</PDBx:ptnr2_symmetry>
      </PDBx:struct_conn>
   </PDBx:struct_connCategory>
   <PDBx:struct_conn_typeCategory>
      <PDBx:struct_conn_type id="covale">
      </PDBx:struct_conn_type>
   </PDBx:struct_conn_typeCategory>
   <PDBx:struct_keywordsCategory>
      <PDBx:struct_keywords entry_id="1KES">
         <PDBx:pdbx_keywords>TEXTURE OF CONNECTIVE TISSUE</PDBx:pdbx_keywords>
         <PDBx:text>TEXTURE OF CONNECTIVE TISSUE</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>1KES</PDBx:db_code>
         <PDBx:db_name>PDB</PDBx:db_name>
         <PDBx:entity_id>1</PDBx:entity_id>
         <PDBx:pdbx_db_accession>1KES</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>4</PDBx:db_align_end>
         <PDBx:pdbx_PDB_id_code>1KES</PDBx:pdbx_PDB_id_code>
         <PDBx:pdbx_auth_seq_align_beg>1</PDBx:pdbx_auth_seq_align_beg>
         <PDBx:pdbx_auth_seq_align_end>4</PDBx:pdbx_auth_seq_align_end>
         <PDBx:pdbx_db_accession>1KES</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>4</PDBx:seq_align_end>
      </PDBx:struct_ref_seq>
   </PDBx:struct_ref_seqCategory>
   <PDBx:symmetryCategory>
      <PDBx:symmetry entry_id="1KES">
         <PDBx:space_group_name_H-M>P 1</PDBx:space_group_name_H-M>
      </PDBx:symmetry>
   </PDBx:symmetryCategory>
</PDBx:datablock>
