data_15368

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

save_entry_information
   _Saveframe_category      entry_information

   _Entry_title            
;
RgIA, a Novel Conotoxin that Blocks the nAChR
;
   _BMRB_accession_number   15368
   _BMRB_flat_file_name     bmr15368.str
   _Entry_type              original
   _Submission_date         2007-07-06
   _Accession_date          2007-07-06
   _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 Feng Zhi-Ping . . 

   stop_

   loop_
      _Saveframe_category_type
      _Saveframe_category_type_count

      assigned_chemical_shifts 1 

   stop_

   loop_
      _Data_type
      _Data_type_count

      "1H chemical shifts" 75 

   stop_

   loop_
      _Revision_date
      _Revision_keyword
      _Revision_author
      _Revision_detail

      2010-05-26 update   BMRB   'update entity name'      
      2008-07-03 update   BMRB   'complete entry citation' 
      2008-03-13 original author 'original release'        

   stop_

   loop_
      _Related_BMRB_accession_number
      _Relationship

      15367 'mutant at residue 5' 
      15436 'mutant at residue 6' 

   stop_

save_


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

save_entry_citation
   _Saveframe_category           entry_citation

   _Citation_full                .
   _Citation_title              
;
alpha-RgIA, a Novel Conotoxin That Blocks the alpha9alpha10 nAChR: Structure and
Identification of Key Receptor-Binding Residues
;
   _Citation_status              published
   _Citation_type                journal
   _CAS_abstract_code            .
   _MEDLINE_UI_code              .
   _PubMed_ID                    18295795

   loop_
      _Author_ordinal
      _Author_family_name
      _Author_given_name
      _Author_middle_initials
      _Author_family_title

      1 Ellison  Michael   .  . 
      2 Feng     Zhi-Ping  .  . 
      3 Park     Anthony   J. . 
      4 Zhang    Xuecheng  .  . 
      5 Olivera  Baldomero M. . 
      6 McIntosh Michael   J. . 
      7 Norton   Raymond   S. . 

   stop_

   _Journal_abbreviation        'J. Mol. Biol.'
   _Journal_volume               377
   _Journal_issue                4
   _Journal_CSD                  .
   _Book_chapter_title           .
   _Book_volume                  .
   _Book_series                  .
   _Book_ISBN                    .
   _Conference_state_province    .
   _Conference_abstract_number   .
   _Page_first                   1216
   _Page_last                    1227
   _Year                         2008
   _Details                      .

   loop_
      _Keyword

       alpha-conotoxin                   
      'nicotinic acetylcholine receptor' 
       NMR                               
      'nuclear Overhauser effect'        

   stop_

save_


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

save_assembly
   _Saveframe_category         molecular_system

   _Mol_system_name            alpha-RgIA
   _Enzyme_commission_number   .

   loop_
      _Mol_system_component_name
      _Mol_label

      Conotoxin $entity 

   stop_

   _System_molecular_weight    .
   _System_physical_state      native
   _System_oligomer_state      ?
   _System_paramagnetic        no
   _System_thiol_state         .

   loop_
      _Biological_function

      'Blocks the nAChR' 

   stop_

   _Database_query_date        .
   _Details                    .

save_


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

save_entity
   _Saveframe_category                          monomeric_polymer

   _Mol_type                                    polymer
   _Mol_polymer_class                           protein
   _Name_common                                 Conotoxin
   _Molecular_mass                              1602.905
   _Mol_thiol_state                            'all disulfide bound'
   _Details                                     .

   	##############################
   	#  Polymer residue sequence  #
   	##############################
   
      _Residue_count                               13
   _Mol_residue_sequence                        GCCSDPRCRWRCR

   loop_
      _Residue_seq_code
      _Residue_label

       1 GLY   2 CYS   3 CYS   4 SER   5 ASP 
       6 PRO   7 ARG   8 CYS   9 ARG  10 TRP 
      11 ARG  12 CYS  13 ARG 

   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

      $entity 'Conus regius' 35631 Eukaryota Metazoa Conus regius 

   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

      $entity 'chemical synthesis' . snail snail . . 

   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

      $entity 2.0 mM 'natural abundance' 

   stop_

save_


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

save_X-PLOR_NIH
   _Saveframe_category   software

   _Name                'X-PLOR NIH'
   _Version              .

   loop_
      _Vendor
      _Address
      _Electronic_address

      'Schwieters, Kuszewski, Tjandra and Clore' . . 

   stop_

   loop_
      _Task

      refinement 

   stop_

   _Details              .

save_


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

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

save_spectrometer_1
   _Saveframe_category   NMR_spectrometer

   _Manufacturer         Bruker
   _Model                DRX
   _Field_strength       600
   _Details              .

save_


save_spectrometer_2
   _Saveframe_category   NMR_spectrometer

   _Manufacturer         Bruker
   _Model                Avance
   _Field_strength       500
   _Details              .

save_


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

save_2D_1H-15N_HSQC_1
   _Saveframe_category   NMR_applied_experiment

   _Experiment_name     '2D 1H-15N HSQC'
   _Sample_label        $sample_1

save_


save_2D_1H-1H_TOCSY_2
   _Saveframe_category   NMR_applied_experiment

   _Experiment_name     '2D 1H-1H TOCSY'
   _Sample_label        $sample_1

save_


save_2D_DQF-COSY_3
   _Saveframe_category   NMR_applied_experiment

   _Experiment_name     '2D DQF-COSY'
   _Sample_label        $sample_1

save_


save_2D_1H-1H_NOESY_4
   _Saveframe_category   NMR_applied_experiment

   _Experiment_name     '2D 1H-1H NOESY'
   _Sample_label        $sample_1

save_


save_2D_1H-13C_HSQC_5
   _Saveframe_category   NMR_applied_experiment

   _Experiment_name     '2D 1H-13C HSQC'
   _Sample_label        $sample_1

save_


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

save_sample_conditions_1
   _Saveframe_category   sample_conditions

   _Details              .

   loop_
      _Variable_type
      _Variable_value
      _Variable_value_error
      _Variable_value_units

      pH            4.45 . pH 
      temperature 298    . K  

   stop_

save_


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

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

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

save_chemical_shift_reference_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
      _Indirect_shift_ratio

      water C 13 'methyl protons' ppm 0.00  .        indirect . . . 0.251449530 
      water H  1 'methyl protons' ppm 4.766 internal direct   . . . 1.000000000 
      water N 15 'methyl protons' ppm 0.00  .        indirect . . . 0.101329118 

   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_assigned_chem_shift_list_1
   _Saveframe_category               assigned_chemical_shifts

   _Details                          .

   loop_
      _Experiment_label

      '2D 1H-15N HSQC' 
      '2D 1H-1H TOCSY' 
      '2D DQF-COSY'    
      '2D 1H-1H NOESY' 
      '2D 1H-13C HSQC' 

   stop_

   loop_
      _Sample_label

      $sample_1 

   stop_

   _Sample_conditions_label         $sample_conditions_1
   _Chem_shift_reference_set_label  $chemical_shift_reference_1
   _Mol_system_component_name        Conotoxin
   _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  1 GLY HA2 H  3.57 0.02 2 
       2  1  1 GLY HA3 H  3.57 0.02 2 
       3  2  2 CYS H   H  8.87 0.02 1 
       4  2  2 CYS HA  H  4.55 0.02 1 
       5  2  2 CYS HB2 H  2.84 0.02 2 
       6  2  2 CYS HB3 H  3.29 0.02 2 
       7  3  3 CYS H   H  8.48 0.02 1 
       8  3  3 CYS HA  H  4.46 0.02 1 
       9  3  3 CYS HB2 H  2.86 0.02 2 
      10  3  3 CYS HB3 H  3.36 0.02 2 
      11  4  4 SER H   H  7.95 0.02 1 
      12  4  4 SER HA  H  4.60 0.02 1 
      13  4  4 SER HB2 H  3.90 0.02 2 
      14  4  4 SER HB3 H  4.01 0.02 2 
      15  5  5 ASP H   H  7.96 0.02 1 
      16  5  5 ASP HA  H  5.13 0.02 1 
      17  5  5 ASP HB2 H  2.64 0.02 2 
      18  5  5 ASP HB3 H  3.21 0.02 2 
      19  6  6 PRO HA  H  4.26 0.02 1 
      20  6  6 PRO HB2 H  2.08 0.02 2 
      21  6  6 PRO HB3 H  2.45 0.02 2 
      22  6  6 PRO HD2 H  4.03 0.02 1 
      23  6  6 PRO HD3 H  4.03 0.02 1 
      24  6  6 PRO HG2 H  2.37 0.02 1 
      25  6  6 PRO HG3 H  2.37 0.02 1 
      26  7  7 ARG H   H  8.58 0.02 1 
      27  7  7 ARG HA  H  4.34 0.02 1 
      28  7  7 ARG HB2 H  2.00 0.02 1 
      29  7  7 ARG HB3 H  2.00 0.02 1 
      30  7  7 ARG HD2 H  3.24 0.02 2 
      31  7  7 ARG HD3 H  3.07 0.02 2 
      32  7  7 ARG HE  H  7.52 0.02 1 
      33  7  7 ARG HG2 H  1.73 0.02 2 
      34  7  7 ARG HG3 H  1.85 0.02 2 
      35  8  8 CYS H   H  7.98 0.02 1 
      36  8  8 CYS HA  H  4.46 0.02 1 
      37  8  8 CYS HB2 H  3.21 0.02 2 
      38  8  8 CYS HB3 H  3.72 0.02 2 
      39  9  9 ARG H   H  8.09 0.02 1 
      40  9  9 ARG HA  H  4.23 0.02 1 
      41  9  9 ARG HB2 H  1.85 0.02 2 
      42  9  9 ARG HB3 H  1.90 0.02 2 
      43  9  9 ARG HD2 H  3.07 0.02 2 
      44  9  9 ARG HD3 H  3.21 0.02 2 
      45  9  9 ARG HE  H  7.11 0.02 1 
      46  9  9 ARG HG2 H  1.53 0.02 2 
      47  9  9 ARG HG3 H  1.65 0.02 2 
      48 10 10 TRP H   H  7.77 0.02 1 
      49 10 10 TRP HA  H  4.55 0.02 1 
      50 10 10 TRP HB2 H  3.24 0.02 2 
      51 10 10 TRP HB3 H  3.44 0.02 2 
      52 10 10 TRP HD1 H  7.37 0.02 1 
      53 10 10 TRP HE1 H 10.1  0.02 1 
      54 11 11 ARG H   H  7.69 0.02 1 
      55 11 11 ARG HA  H  3.90 0.02 1 
      56 11 11 ARG HB2 H  1.41 0.02 1 
      57 11 11 ARG HB3 H  1.41 0.02 1 
      58 11 11 ARG HD2 H  2.92 0.02 2 
      59 11 11 ARG HD3 H  2.95 0.02 2 
      60 11 11 ARG HE  H  7.50 0.02 1 
      61 11 11 ARG HG2 H  0.64 0.02 1 
      62 11 11 ARG HG3 H  0.64 0.02 1 
      63 12 12 CYS H   H  8.01 0.02 1 
      64 12 12 CYS HA  H  4.64 0.02 1 
      65 12 12 CYS HB2 H  3.16 0.02 2 
      66 12 12 CYS HB3 H  3.48 0.02 2 
      67 13 13 ARG H   H  7.72 0.02 1 
      68 13 13 ARG HA  H  4.19 0.02 1 
      69 13 13 ARG HB2 H  1.73 0.02 2 
      70 13 13 ARG HB3 H  1.87 0.02 2 
      71 13 13 ARG HD2 H  3.22 0.02 1 
      72 13 13 ARG HD3 H  3.22 0.02 1 
      73 13 13 ARG HE  H  7.20 0.02 1 
      74 13 13 ARG HG2 H  1.61 0.02 1 
      75 13 13 ARG HG3 H  1.61 0.02 1 

   stop_

save_