data_4612

#######################
#  Entry information  #
#######################

save_entry_information
   _Saveframe_category      entry_information

   _Entry_title            
;
NMR observation of a novel C-tetrad in a DNA quadruplex 
;
   _BMRB_accession_number   4612
   _BMRB_flat_file_name     bmr4612.str
   _Entry_type              new
   _Submission_date         2000-06-01
   _Accession_date          2000-09-07
   _Entry_origination       author
   _NMR_STAR_version        2.1.1
   _Experimental_method     NMR
   _Details                 .

   loop_
      _Author_ordinal
      _Author_family_name
      _Author_given_name
      _Author_middle_initials
      _Author_family_title

      1 Patel   P. K. . 
      2 Bhavesh N. S. . 
      3 Hosur   R. V. . 

   stop_

   loop_
      _Saveframe_category_type
      _Saveframe_category_type_count

      assigned_chemical_shifts 1 

   stop_

   loop_
      _Data_type
      _Data_type_count

      "1H chemical shifts" 62 

   stop_

   loop_
      _Revision_date
      _Revision_keyword
      _Revision_author
      _Revision_detail

      2010-07-16 update   BMRB   'update DNA residue label to two-letter code' 
      2000-12-19 original author 'original release'                            

   stop_

save_


#############################
#  Citation for this entry  #
#############################

save_entry_citation
   _Saveframe_category           entry_citation

   _Citation_full                .
   _Citation_title              
;
NMR Observation of a Novel C-Tetrad in the Structure of the SV40 Repeat Sequence
 GGGCGG 
;
   _Citation_status              published
   _Citation_type                journal
   _CAS_abstract_code            .
   _MEDLINE_UI_code              20237111
   _PubMed_ID                    ?

   loop_
      _Author_ordinal
      _Author_family_name
      _Author_given_name
      _Author_middle_initials
      _Author_family_title

      1 Patel   P. K. . 
      2 Bhavesh N. S. . 
      3 Hosur   R. V. . 

   stop_

   _Journal_abbreviation        'Biochem. Biophys. Res. Commun.'
   _Journal_name_full           'Biochemical and Biophysical Research Communications'
   _Journal_volume               270
   _Journal_issue                .
   _Journal_CSD                  .
   _Book_chapter_title           .
   _Book_volume                  .
   _Book_series                  .
   _Book_ISBN                    .
   _Conference_state_province    .
   _Conference_abstract_number   .
   _Page_first                   967
   _Page_last                    971
   _Year                         2000
   _Details                      .

   loop_
      _Keyword

      'NMR structure' 
       G-quadruplex   
       C-tetrad       
      'GGGCGG repeat' 
       SV40           

   stop_

save_


##################################
#  Molecular system description  #
##################################

save_system_TGGGCGGT
   _Saveframe_category         molecular_system

   _Mol_system_name            5'-D(*TP*GP*GP*GP*CP*GP*GP*T)-3'
   _Enzyme_commission_number   .

   loop_
      _Mol_system_component_name
      _Mol_label

      '5'-D(*TP*GP*GP*GP*CP*GP*GP*T)-3', strand 1a' $TGGGCGGT 
      '5'-D(*TP*GP*GP*GP*CP*GP*GP*T)-3', strand 1b' $TGGGCGGT 
      '5'-D(*TP*GP*GP*GP*CP*GP*GP*T)-3', strand 2a' $TGGGCGGT 
      '5'-D(*TP*GP*GP*GP*CP*GP*GP*T)-3', strand 2b' $TGGGCGGT 

   stop_

   _System_molecular_weight    .
   _System_physical_state      native
   _System_oligomer_state      tetramer
   _System_paramagnetic        no
   _System_thiol_state        'not present'

   loop_
      _Magnetic_equivalence_ID
      _Magnetically_equivalent_system_component

      1 '5'-D(*TP*GP*GP*GP*CP*GP*GP*T)-3', strand 1a' 
      1 '5'-D(*TP*GP*GP*GP*CP*GP*GP*T)-3', strand 1b' 
      1 '5'-D(*TP*GP*GP*GP*CP*GP*GP*T)-3', strand 2a' 
      1 '5'-D(*TP*GP*GP*GP*CP*GP*GP*T)-3', strand 2b' 

   stop_

   _Database_query_date        .
   _Details                    .

save_


    ########################
    #  Monomeric polymers  #
    ########################

save_TGGGCGGT
   _Saveframe_category                          monomeric_polymer

   _Mol_type                                    polymer
   _Mol_polymer_class                           DNA
   _Name_common                                 TGGGCGGT
   _Molecular_mass                              .
   _Mol_thiol_state                            'not present'
   _Details                                     .

   	##############################
   	#  Polymer residue sequence  #
   	##############################
   
      _Residue_count                               8
   _Mol_residue_sequence                        TGGGCGGT

   loop_
      _Residue_seq_code
      _Residue_author_seq_code
      _Residue_label

      1 101 DT  2 102 DG  3 103 DG  4 104 DG  5 105 DC 
      6 106 DG  7 107 DG  8 108 DT 

   stop_

   _Sequence_homology_query_date                .
   _Sequence_homology_query_revised_last_date   .

save_


    ####################
    #  Natural source  #
    ####################

save_natural_source
   _Saveframe_category   natural_source


   loop_
      _Mol_label
      _Organism_name_common
      _NCBI_taxonomy_ID
      _Superkingdom
      _Kingdom
      _Genus
      _Species

      $TGGGCGGT 'SV 40 virus' 10633 virus . . . 

   stop_

save_


    #########################
    #  Experimental source  #
    #########################

save_experimental_source
   _Saveframe_category   experimental_source


   loop_
      _Mol_label
      _Production_method
      _Host_organism_name_common
      _Genus
      _Species
      _Strain
      _Vector_name
      _Details

      $TGGGCGGT 'chemical synthesis' . . . . . 
;
"The oligonucleotide was synthesized on an applied 
Bio-systems 392 automated DNA-synthesizer on 10 uM 
scale using solid phase (-cyanoethyl phosphoramidite 
chemistry, cleaved from support and purified by 
standard procedures
; 

   stop_

save_


#####################################
#  Sample contents and methodology  #
#####################################
	 
    ########################
    #  Sample description  #
    ########################

save_sample_1
   _Saveframe_category   sample

   _Sample_type          solution
   _Details              .

   loop_
      _Mol_label
      _Concentration_value
      _Concentration_value_units
      _Isotopic_labeling

      $TGGGCGGT             .  mM . 
      'sodium phosphate'  10   mM . 
       EDTA                0.2 mM . 
       NaCl              200   mM . 
       H2O                90   %  . 
       D2O                10   %  . 

   stop_

save_


save_sample_2
   _Saveframe_category   sample

   _Sample_type          solution
   _Details              .

   loop_
      _Mol_label
      _Concentration_value
      _Concentration_value_units
      _Concentration_min_value
      _Concentration_max_value
      _Isotopic_labeling

      $TGGGCGGT             .  mM 1 2 . 
      'sodium phosphate'  10   mM  .  . . 
       EDTA                0.2 mM  .  . . 
       NaCl              200   mM  .  . . 
       D2O               100   %   .  . . 

   stop_

save_


############################
#  Computer software used  #
############################

save_VNMR
   _Saveframe_category   software

   _Name                 VNMR
   _Version              6.1

   loop_
      _Task

      'data collection' 
      'data processing' 

   stop_

   _Details              Varian

save_


save_FELIX
   _Saveframe_category   software

   _Name                 FELIX
   _Version             '230 and 97'

   loop_
      _Task

      'data processing' 

   stop_

   _Details              BIOSYM

save_


save_DISCOVER
   _Saveframe_category   software

   _Name                 DISCOVER
   _Version              3.1

   loop_
      _Task

      'structure solution' 

   stop_

   _Details              BIOSYM

save_


save_IRMA
   _Saveframe_category   software

   _Name                 IRMA
   _Version              2.3

   loop_
      _Task

      refinement 

   stop_

   _Details              BIOSYM

save_


#########################
#  Experimental detail  #
#########################

    ##################################
    #  NMR Spectrometer definitions  #
    ##################################

save_NMR_spectrometer
   _Saveframe_category   NMR_spectrometer

   _Manufacturer         Varian
   _Model                UNITYplus
   _Field_strength       600
   _Details              .

save_


    #############################
    #  NMR applied experiments  #
    #############################

save_2D_NOESY_1
   _Saveframe_category   NMR_applied_experiment

   _Experiment_name     '2D NOESY'
   _Sample_label         .

save_


save_2D_TOCSY_2
   _Saveframe_category   NMR_applied_experiment

   _Experiment_name     '2D TOCSY'
   _Sample_label         .

save_


save_DQF-COSY_3
   _Saveframe_category   NMR_applied_experiment

   _Experiment_name      DQF-COSY
   _Sample_label         .

save_


save_NMR_spec_expt__0_1
   _Saveframe_category                     NMR_applied_experiment

   _Experiment_name                       '2D NOESY'
   _BMRB_pulse_sequence_accession_number   .
   _Details                                .

save_


save_NMR_spec_expt__0_2
   _Saveframe_category                     NMR_applied_experiment

   _Experiment_name                       '2D TOCSY'
   _BMRB_pulse_sequence_accession_number   .
   _Details                                .

save_


save_NMR_spec_expt__0_3
   _Saveframe_category                     NMR_applied_experiment

   _Experiment_name                        DQF-COSY
   _BMRB_pulse_sequence_accession_number   .
   _Details                                .

save_


#######################
#  Sample conditions  #
#######################

save_sample_cond_1
   _Saveframe_category   sample_conditions

   _Details              .

   loop_
      _Variable_type
      _Variable_value
      _Variable_value_error
      _Variable_value_units

      pH          7.0 . n/a 
      temperature  .  . n/a 
      pressure    1   . atm 

   stop_

save_


####################
#  NMR parameters  #
####################

    ##############################
    #  Assigned chemical shifts  #
    ##############################

	################################
	#  Chemical shift referencing  #
	################################

save_chemical_shift_ref_1
   _Saveframe_category   chemical_shift_reference

   _Details              .

   loop_
      _Mol_common_name
      _Atom_type
      _Atom_isotope_number
      _Atom_group
      _Chem_shift_units
      _Chem_shift_value
      _Reference_method
      _Reference_type
      _External_reference_sample_geometry
      _External_reference_location
      _External_reference_axis

      . H 1 . ppm . . . . . . 

   stop_

save_


	###################################
	#  Assigned chemical shift lists  #
	###################################

###################################################################
#       Chemical Shift Ambiguity Index Value Definitions          #
#                                                                 #
# The values other than 1 are used for those atoms with different #
# chemical shifts that cannot be assigned to stereospecific atoms #
# or to specific residues or chains.                              #
#                                                                 #
#   Index Value            Definition                             #
#                                                                 #
#      1             Unique (including isolated methyl protons,   #
#                         geminal atoms, and geminal methyl       #
#                         groups with identical chemical shifts)  #
#                         (e.g. ILE HD11, HD12, HD13 protons)     #
#      2             Ambiguity of geminal atoms or geminal methyl #
#                         proton groups (e.g. ASP HB2 and HB3     #
#                         protons, LEU CD1 and CD2 carbons, or    #
#                         LEU HD11, HD12, HD13 and HD21, HD22,    #
#                         HD23 methyl protons)                    #
#      3             Aromatic atoms on opposite sides of          #
#                         symmetrical rings (e.g. TYR HE1 and HE2 #
#                         protons)                                #
#      4             Intraresidue ambiguities (e.g. LYS HG and    #
#                         HD protons or TRP HZ2 and HZ3 protons)  #
#      5             Interresidue ambiguities (LYS 12 vs. LYS 27) #
#      6             Intermolecular ambiguities (e.g. ASP 31 CA   #
#                         in monomer 1 and ASP 31 CA in monomer 2 #
#                         of an asymmetrical homodimer, duplex    #
#                         DNA assignments, or other assignments   #
#                         that may apply to atoms in one or more  #
#                         molecule in the molecular assembly)     #
#      9             Ambiguous, specific ambiguity not defined    #
#                                                                 #
###################################################################
save_chemical_shift_set_1
   _Saveframe_category               assigned_chemical_shifts

   _Details                          .

   loop_
      _Sample_label

      $sample_1 

   stop_

   _Sample_conditions_label         $sample_cond_1
   _Chem_shift_reference_set_label  $chemical_shift_ref_1
   _Mol_system_component_name       '5'-D(*TP*GP*GP*GP*CP*GP*GP*T)-3', strand 1a'
   _Text_data_format                 .
   _Text_data                        .

   loop_
      _Atom_shift_assign_ID
      _Residue_author_seq_code
      _Residue_seq_code
      _Residue_label
      _Atom_name
      _Atom_type
      _Chem_shift_value
      _Chem_shift_value_error
      _Chem_shift_ambiguity_code

       1 . 1 DT H6   H 7.380 . 1 
       2 . 1 DT H1'  H 5.950 . 1 
       3 . 1 DT H2'  H 2.340 . 1 
       4 . 1 DT H2'' H 2.090 . 1 
       5 . 1 DT H3'  H 4.730 . 1 
       6 . 1 DT H4'  H 4.108 . 1 
       7 . 1 DT H5'  H 3.730 . 2 
       8 . 1 DT H71  H 1.420 . 1 
       9 . 1 DT H72  H 1.420 . 1 
      10 . 1 DT H73  H 1.420 . 1 
      11 . 2 DG H8   H 8.060 . 1 
      12 . 2 DG H1'  H 6.176 . 1 
      13 . 2 DG H2'' H 2.752 . 1 
      14 . 2 DG H2'  H 3.020 . 1 
      15 . 2 DG H3'  H 5.050 . 1 
      16 . 2 DG H4'  H 4.492 . 1 
      17 . 2 DG H5'  H 4.150 . 2 
      18 . 3 DG H8   H 7.620 . 1 
      19 . 3 DG H1'  H 6.160 . 1 
      20 . 3 DG H2'  H 2.850 . 1 
      21 . 3 DG H2'' H 2.440 . 1 
      22 . 3 DG H3'  H 5.000 . 1 
      23 . 3 DG H4'  H 4.590 . 1 
      24 . 3 DG H5'' H 4.382 . 1 
      25 . 3 DG H5'  H 4.242 . 1 
      26 . 4 DG H8   H 7.410 . 1 
      27 . 4 DG H1'  H 6.173 . 1 
      28 . 4 DG H2'  H 2.930 . 1 
      29 . 4 DG H2'' H 2.490 . 1 
      30 . 4 DG H3'  H 5.045 . 1 
      31 . 4 DG H4'  H 4.586 . 1 
      32 . 4 DG H5'  H 4.370 . 2 
      33 . 5 DC H6   H 7.240 . 1 
      34 . 5 DC H5   H 5.320 . 1 
      35 . 5 DC H1'  H 5.748 . 1 
      36 . 5 DC H2'  H 2.270 . 2 
      37 . 5 DC H3'  H 4.963 . 1 
      38 . 5 DC H4'  H 4.165 . 1 
      39 . 5 DC H5'  H 4.655 . 2 
      40 . 6 DG H8   H 8.020 . 1 
      41 . 6 DG H1'  H 6.010 . 1 
      42 . 6 DG H2'' H 2.700 . 1 
      43 . 6 DG H2'  H 2.830 . 1 
      44 . 6 DG H3'  H 5.123 . 1 
      45 . 6 DG H4'  H 4.565 . 1 
      46 . 6 DG H5'  H 4.234 . 2 
      47 . 7 DG H8   H 7.680 . 1 
      48 . 7 DG H1'  H 6.230 . 1 
      49 . 7 DG H2'  H 2.660 . 1 
      50 . 7 DG H2'' H 2.530 . 1 
      51 . 7 DG H3'  H 5.020 . 1 
      52 . 7 DG H4'  H 4.522 . 1 
      53 . 7 DG H5'  H 4.280 . 2 
      54 . 8 DT H6   H 7.296 . 1 
      55 . 8 DT H1'  H 6.100 . 1 
      56 . 8 DT H2'  H 2.120 . 2 
      57 . 8 DT H3'  H 4.520 . 1 
      58 . 8 DT H4'  H 4.070 . 1 
      59 . 8 DT H5'  H 4.300 . 2 
      60 . 8 DT H71  H 1.630 . 1 
      61 . 8 DT H72  H 1.630 . 1 
      62 . 8 DT H73  H 1.630 . 1 

   stop_

save_