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_