data_2AK0 # _entry.id 2AK0 # _audit_conform.dict_name mmcif_pdbx.dic _audit_conform.dict_version 5.397 _audit_conform.dict_location http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic # loop_ _database_2.database_id _database_2.database_code _database_2.pdbx_database_accession _database_2.pdbx_DOI PDB 2AK0 pdb_00002ak0 10.2210/pdb2ak0/pdb RCSB RCSB033985 ? ? WWPDB D_1000033985 ? ? # loop_ _pdbx_audit_revision_history.ordinal _pdbx_audit_revision_history.data_content_type _pdbx_audit_revision_history.major_revision _pdbx_audit_revision_history.minor_revision _pdbx_audit_revision_history.revision_date 1 'Structure model' 1 0 2005-09-06 2 'Structure model' 1 1 2008-04-30 3 'Structure model' 1 2 2011-07-13 4 'Structure model' 1 3 2022-03-09 5 'Structure model' 1 4 2024-10-30 # _pdbx_audit_revision_details.ordinal 1 _pdbx_audit_revision_details.revision_ordinal 1 _pdbx_audit_revision_details.data_content_type 'Structure model' _pdbx_audit_revision_details.provider repository _pdbx_audit_revision_details.type 'Initial release' _pdbx_audit_revision_details.description ? _pdbx_audit_revision_details.details ? # loop_ _pdbx_audit_revision_group.ordinal _pdbx_audit_revision_group.revision_ordinal _pdbx_audit_revision_group.data_content_type _pdbx_audit_revision_group.group 1 2 'Structure model' 'Version format compliance' 2 3 'Structure model' 'Version format compliance' 3 4 'Structure model' 'Data collection' 4 4 'Structure model' 'Database references' 5 4 'Structure model' 'Derived calculations' 6 5 'Structure model' 'Data collection' 7 5 'Structure model' 'Structure summary' # loop_ _pdbx_audit_revision_category.ordinal _pdbx_audit_revision_category.revision_ordinal _pdbx_audit_revision_category.data_content_type _pdbx_audit_revision_category.category 1 4 'Structure model' database_2 2 4 'Structure model' pdbx_nmr_software 3 4 'Structure model' pdbx_nmr_spectrometer 4 4 'Structure model' pdbx_struct_assembly 5 4 'Structure model' pdbx_struct_oper_list 6 4 'Structure model' struct_ref_seq_dif 7 5 'Structure model' chem_comp_atom 8 5 'Structure model' chem_comp_bond 9 5 'Structure model' pdbx_entry_details 10 5 'Structure model' pdbx_modification_feature # loop_ _pdbx_audit_revision_item.ordinal _pdbx_audit_revision_item.revision_ordinal _pdbx_audit_revision_item.data_content_type _pdbx_audit_revision_item.item 1 4 'Structure model' '_database_2.pdbx_DOI' 2 4 'Structure model' '_database_2.pdbx_database_accession' 3 4 'Structure model' '_pdbx_nmr_software.name' 4 4 'Structure model' '_pdbx_nmr_spectrometer.model' 5 4 'Structure model' '_struct_ref_seq_dif.details' # _pdbx_database_status.status_code REL _pdbx_database_status.entry_id 2AK0 _pdbx_database_status.recvd_initial_deposition_date 2005-08-02 _pdbx_database_status.deposit_site RCSB _pdbx_database_status.process_site PDBJ _pdbx_database_status.status_code_sf ? _pdbx_database_status.status_code_mr REL _pdbx_database_status.SG_entry ? _pdbx_database_status.pdb_format_compatible Y _pdbx_database_status.status_code_cs ? _pdbx_database_status.status_code_nmr_data ? _pdbx_database_status.methods_development_category ? # _pdbx_database_related.db_name PDB _pdbx_database_related.db_id 2AJW _pdbx_database_related.details ;The same "parent" peptide cyclized with a different size linker (GGAAGG) ; _pdbx_database_related.content_type unspecified # loop_ _audit_author.name _audit_author.pdbx_ordinal 'Clark, R.J.' 1 'Fischer, H.' 2 'Dempster, L.' 3 'Daly, N.L.' 4 'Rosengren, K.J.' 5 'Nevin, S.T.' 6 'Meunier, F.A.' 7 'Adams, D.J.' 8 'Craik, D.J.' 9 # _citation.id primary _citation.title 'Engineering stable peptide toxins by means of backbone cyclization: Stabilization of the {alpha}-conotoxin MII.' _citation.journal_abbrev Proc.Natl.Acad.Sci.USA _citation.journal_volume 102 _citation.page_first 13767 _citation.page_last 13772 _citation.year 2005 _citation.journal_id_ASTM PNASA6 _citation.country US _citation.journal_id_ISSN 0027-8424 _citation.journal_id_CSD 0040 _citation.book_publisher ? _citation.pdbx_database_id_PubMed 16162671 _citation.pdbx_database_id_DOI 10.1073/pnas.0504613102 # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Clark, R.J.' 1 ? primary 'Fischer, H.' 2 ? primary 'Dempster, L.' 3 ? primary 'Daly, N.L.' 4 ? primary 'Rosengren, K.J.' 5 ? primary 'Nevin, S.T.' 6 ? primary 'Meunier, F.A.' 7 ? primary 'Adams, D.J.' 8 ? primary 'Craik, D.J.' 9 ? # _entity.id 1 _entity.type polymer _entity.src_method syn _entity.pdbx_description 'Alpha-conotoxin MII' _entity.formula_weight 2159.408 _entity.pdbx_number_of_molecules 1 _entity.pdbx_ec ? _entity.pdbx_mutation ? _entity.pdbx_fragment ? _entity.details 'GAGGAAG is used as a linker to cyclise the peptide' # _entity_name_com.entity_id 1 _entity_name_com.name 'cyclic MII-7, M2' # _entity_poly.entity_id 1 _entity_poly.type 'polypeptide(L)' _entity_poly.nstd_linkage no _entity_poly.nstd_monomer no _entity_poly.pdbx_seq_one_letter_code GCCSNPVCHLEHSNLCGAGGAAG _entity_poly.pdbx_seq_one_letter_code_can GCCSNPVCHLEHSNLCGAGGAAG _entity_poly.pdbx_strand_id A _entity_poly.pdbx_target_identifier ? # loop_ _entity_poly_seq.entity_id _entity_poly_seq.num _entity_poly_seq.mon_id _entity_poly_seq.hetero 1 1 GLY n 1 2 CYS n 1 3 CYS n 1 4 SER n 1 5 ASN n 1 6 PRO n 1 7 VAL n 1 8 CYS n 1 9 HIS n 1 10 LEU n 1 11 GLU n 1 12 HIS n 1 13 SER n 1 14 ASN n 1 15 LEU n 1 16 CYS n 1 17 GLY n 1 18 ALA n 1 19 GLY n 1 20 GLY n 1 21 ALA n 1 22 ALA n 1 23 GLY n # _pdbx_entity_src_syn.entity_id 1 _pdbx_entity_src_syn.pdbx_src_id 1 _pdbx_entity_src_syn.pdbx_alt_source_flag sample _pdbx_entity_src_syn.pdbx_beg_seq_num ? _pdbx_entity_src_syn.pdbx_end_seq_num ? _pdbx_entity_src_syn.organism_scientific ? _pdbx_entity_src_syn.organism_common_name ? _pdbx_entity_src_syn.ncbi_taxonomy_id ? _pdbx_entity_src_syn.details 'A linear peptide occurs naturally in cone snails' # loop_ _chem_comp.id _chem_comp.type _chem_comp.mon_nstd_flag _chem_comp.name _chem_comp.pdbx_synonyms _chem_comp.formula _chem_comp.formula_weight ALA 'L-peptide linking' y ALANINE ? 'C3 H7 N O2' 89.093 ASN 'L-peptide linking' y ASPARAGINE ? 'C4 H8 N2 O3' 132.118 CYS 'L-peptide linking' y CYSTEINE ? 'C3 H7 N O2 S' 121.158 GLU 'L-peptide linking' y 'GLUTAMIC ACID' ? 'C5 H9 N O4' 147.129 GLY 'peptide linking' y GLYCINE ? 'C2 H5 N O2' 75.067 HIS 'L-peptide linking' y HISTIDINE ? 'C6 H10 N3 O2 1' 156.162 LEU 'L-peptide linking' y LEUCINE ? 'C6 H13 N O2' 131.173 PRO 'L-peptide linking' y PROLINE ? 'C5 H9 N O2' 115.130 SER 'L-peptide linking' y SERINE ? 'C3 H7 N O3' 105.093 VAL 'L-peptide linking' y VALINE ? 'C5 H11 N O2' 117.146 # loop_ _pdbx_poly_seq_scheme.asym_id _pdbx_poly_seq_scheme.entity_id _pdbx_poly_seq_scheme.seq_id _pdbx_poly_seq_scheme.mon_id _pdbx_poly_seq_scheme.ndb_seq_num _pdbx_poly_seq_scheme.pdb_seq_num _pdbx_poly_seq_scheme.auth_seq_num _pdbx_poly_seq_scheme.pdb_mon_id _pdbx_poly_seq_scheme.auth_mon_id _pdbx_poly_seq_scheme.pdb_strand_id _pdbx_poly_seq_scheme.pdb_ins_code _pdbx_poly_seq_scheme.hetero A 1 1 GLY 1 1 1 GLY GLY A . n A 1 2 CYS 2 2 2 CYS CYS A . n A 1 3 CYS 3 3 3 CYS CYS A . n A 1 4 SER 4 4 4 SER SER A . n A 1 5 ASN 5 5 5 ASN ASN A . n A 1 6 PRO 6 6 6 PRO PRO A . n A 1 7 VAL 7 7 7 VAL VAL A . n A 1 8 CYS 8 8 8 CYS CYS A . n A 1 9 HIS 9 9 9 HIS HIS A . n A 1 10 LEU 10 10 10 LEU LEU A . n A 1 11 GLU 11 11 11 GLU GLU A . n A 1 12 HIS 12 12 12 HIS HIS A . n A 1 13 SER 13 13 13 SER SER A . n A 1 14 ASN 14 14 14 ASN ASN A . n A 1 15 LEU 15 15 15 LEU LEU A . n A 1 16 CYS 16 16 16 CYS CYS A . n A 1 17 GLY 17 17 17 GLY GLY A . n A 1 18 ALA 18 18 18 ALA ALA A . n A 1 19 GLY 19 19 19 GLY GLY A . n A 1 20 GLY 20 20 20 GLY GLY A . n A 1 21 ALA 21 21 21 ALA ALA A . n A 1 22 ALA 22 22 22 ALA ALA A . n A 1 23 GLY 23 23 23 GLY GLY A . n # _exptl.entry_id 2AK0 _exptl.method 'SOLUTION NMR' _exptl.crystals_number ? # _database_PDB_matrix.entry_id 2AK0 _database_PDB_matrix.origx[1][1] 1.000000 _database_PDB_matrix.origx[1][2] 0.000000 _database_PDB_matrix.origx[1][3] 0.000000 _database_PDB_matrix.origx[2][1] 0.000000 _database_PDB_matrix.origx[2][2] 1.000000 _database_PDB_matrix.origx[2][3] 0.000000 _database_PDB_matrix.origx[3][1] 0.000000 _database_PDB_matrix.origx[3][2] 0.000000 _database_PDB_matrix.origx[3][3] 1.000000 _database_PDB_matrix.origx_vector[1] 0.00000 _database_PDB_matrix.origx_vector[2] 0.00000 _database_PDB_matrix.origx_vector[3] 0.00000 # _struct.entry_id 2AK0 _struct.title 'Structure of cyclic conotoxin MII-7' _struct.pdbx_model_details ? _struct.pdbx_CASP_flag ? _struct.pdbx_model_type_details ? # _struct_keywords.entry_id 2AK0 _struct_keywords.pdbx_keywords TOXIN _struct_keywords.text 'alpha-helix, cyclic backbone, TOXIN' # _struct_asym.id A _struct_asym.pdbx_blank_PDB_chainid_flag N _struct_asym.pdbx_modified N _struct_asym.entity_id 1 _struct_asym.details ? # _struct_ref.id 1 _struct_ref.db_name UNP _struct_ref.db_code CXA2_CONMA _struct_ref.pdbx_db_accession P56636 _struct_ref.entity_id 1 _struct_ref.pdbx_seq_one_letter_code GCCSNPVCHLEHSNLC _struct_ref.pdbx_align_begin 22 _struct_ref.pdbx_db_isoform ? # _struct_ref_seq.align_id 1 _struct_ref_seq.ref_id 1 _struct_ref_seq.pdbx_PDB_id_code 2AK0 _struct_ref_seq.pdbx_strand_id A _struct_ref_seq.seq_align_beg 1 _struct_ref_seq.pdbx_seq_align_beg_ins_code ? _struct_ref_seq.seq_align_end 16 _struct_ref_seq.pdbx_seq_align_end_ins_code ? _struct_ref_seq.pdbx_db_accession P56636 _struct_ref_seq.db_align_beg 22 _struct_ref_seq.pdbx_db_align_beg_ins_code ? _struct_ref_seq.db_align_end 37 _struct_ref_seq.pdbx_db_align_end_ins_code ? _struct_ref_seq.pdbx_auth_seq_align_beg 1 _struct_ref_seq.pdbx_auth_seq_align_end 16 # loop_ _struct_ref_seq_dif.align_id _struct_ref_seq_dif.pdbx_pdb_id_code _struct_ref_seq_dif.mon_id _struct_ref_seq_dif.pdbx_pdb_strand_id _struct_ref_seq_dif.seq_num _struct_ref_seq_dif.pdbx_pdb_ins_code _struct_ref_seq_dif.pdbx_seq_db_name _struct_ref_seq_dif.pdbx_seq_db_accession_code _struct_ref_seq_dif.db_mon_id _struct_ref_seq_dif.pdbx_seq_db_seq_num _struct_ref_seq_dif.details _struct_ref_seq_dif.pdbx_auth_seq_num _struct_ref_seq_dif.pdbx_ordinal 1 2AK0 GLY A 17 ? UNP P56636 ? ? linker 17 1 1 2AK0 ALA A 18 ? UNP P56636 ? ? linker 18 2 1 2AK0 GLY A 19 ? UNP P56636 ? ? linker 19 3 1 2AK0 GLY A 20 ? UNP P56636 ? ? linker 20 4 1 2AK0 ALA A 21 ? UNP P56636 ? ? linker 21 5 1 2AK0 ALA A 22 ? UNP P56636 ? ? linker 22 6 1 2AK0 GLY A 23 ? UNP P56636 ? ? linker 23 7 # _pdbx_struct_assembly.id 1 _pdbx_struct_assembly.details author_defined_assembly _pdbx_struct_assembly.method_details ? _pdbx_struct_assembly.oligomeric_details monomeric _pdbx_struct_assembly.oligomeric_count 1 # _pdbx_struct_assembly_gen.assembly_id 1 _pdbx_struct_assembly_gen.oper_expression 1 _pdbx_struct_assembly_gen.asym_id_list A # _pdbx_struct_oper_list.id 1 _pdbx_struct_oper_list.type 'identity operation' _pdbx_struct_oper_list.name 1_555 _pdbx_struct_oper_list.symmetry_operation x,y,z _pdbx_struct_oper_list.matrix[1][1] 1.0000000000 _pdbx_struct_oper_list.matrix[1][2] 0.0000000000 _pdbx_struct_oper_list.matrix[1][3] 0.0000000000 _pdbx_struct_oper_list.vector[1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][2] 1.0000000000 _pdbx_struct_oper_list.matrix[2][3] 0.0000000000 _pdbx_struct_oper_list.vector[2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][1] 0.0000000000 _pdbx_struct_oper_list.matrix[3][2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][3] 1.0000000000 _pdbx_struct_oper_list.vector[3] 0.0000000000 # _struct_biol.id 1 # loop_ _struct_conf.conf_type_id _struct_conf.id _struct_conf.pdbx_PDB_helix_id _struct_conf.beg_label_comp_id _struct_conf.beg_label_asym_id _struct_conf.beg_label_seq_id _struct_conf.pdbx_beg_PDB_ins_code _struct_conf.end_label_comp_id _struct_conf.end_label_asym_id _struct_conf.end_label_seq_id _struct_conf.pdbx_end_PDB_ins_code _struct_conf.beg_auth_comp_id _struct_conf.beg_auth_asym_id _struct_conf.beg_auth_seq_id _struct_conf.end_auth_comp_id _struct_conf.end_auth_asym_id _struct_conf.end_auth_seq_id _struct_conf.pdbx_PDB_helix_class _struct_conf.details _struct_conf.pdbx_PDB_helix_length HELX_P HELX_P1 1 ASN A 5 ? HIS A 12 ? ASN A 5 HIS A 12 1 ? 8 HELX_P HELX_P2 2 HIS A 12 ? GLY A 17 ? HIS A 12 GLY A 17 1 ? 6 # _struct_conf_type.id HELX_P _struct_conf_type.criteria ? _struct_conf_type.reference ? # loop_ _struct_conn.id _struct_conn.conn_type_id _struct_conn.pdbx_leaving_atom_flag _struct_conn.pdbx_PDB_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr1_label_atom_id _struct_conn.pdbx_ptnr1_label_alt_id _struct_conn.pdbx_ptnr1_PDB_ins_code _struct_conn.pdbx_ptnr1_standard_comp_id _struct_conn.ptnr1_symmetry _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_conn.ptnr2_label_atom_id _struct_conn.pdbx_ptnr2_label_alt_id _struct_conn.pdbx_ptnr2_PDB_ins_code _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_symmetry _struct_conn.pdbx_ptnr3_label_atom_id _struct_conn.pdbx_ptnr3_label_seq_id _struct_conn.pdbx_ptnr3_label_comp_id _struct_conn.pdbx_ptnr3_label_asym_id _struct_conn.pdbx_ptnr3_label_alt_id _struct_conn.pdbx_ptnr3_PDB_ins_code _struct_conn.details _struct_conn.pdbx_dist_value _struct_conn.pdbx_value_order _struct_conn.pdbx_role disulf1 disulf ? ? A CYS 2 SG ? ? ? 1_555 A CYS 8 SG ? ? A CYS 2 A CYS 8 1_555 ? ? ? ? ? ? ? 2.031 ? ? disulf2 disulf ? ? A CYS 3 SG ? ? ? 1_555 A CYS 16 SG ? ? A CYS 3 A CYS 16 1_555 ? ? ? ? ? ? ? 2.031 ? ? # _struct_conn_type.id disulf _struct_conn_type.criteria ? _struct_conn_type.reference ? # loop_ _pdbx_modification_feature.ordinal _pdbx_modification_feature.label_comp_id _pdbx_modification_feature.label_asym_id _pdbx_modification_feature.label_seq_id _pdbx_modification_feature.label_alt_id _pdbx_modification_feature.modified_residue_label_comp_id _pdbx_modification_feature.modified_residue_label_asym_id _pdbx_modification_feature.modified_residue_label_seq_id _pdbx_modification_feature.modified_residue_label_alt_id _pdbx_modification_feature.auth_comp_id _pdbx_modification_feature.auth_asym_id _pdbx_modification_feature.auth_seq_id _pdbx_modification_feature.PDB_ins_code _pdbx_modification_feature.symmetry _pdbx_modification_feature.modified_residue_auth_comp_id _pdbx_modification_feature.modified_residue_auth_asym_id _pdbx_modification_feature.modified_residue_auth_seq_id _pdbx_modification_feature.modified_residue_PDB_ins_code _pdbx_modification_feature.modified_residue_symmetry _pdbx_modification_feature.comp_id_linking_atom _pdbx_modification_feature.modified_residue_id_linking_atom _pdbx_modification_feature.modified_residue_id _pdbx_modification_feature.ref_pcm_id _pdbx_modification_feature.ref_comp_id _pdbx_modification_feature.type _pdbx_modification_feature.category 1 CYS A 2 ? CYS A 8 ? CYS A 2 ? 1_555 CYS A 8 ? 1_555 SG SG . . . None 'Disulfide bridge' 2 CYS A 3 ? CYS A 16 ? CYS A 3 ? 1_555 CYS A 16 ? 1_555 SG SG . . . None 'Disulfide bridge' # _pdbx_entry_details.entry_id 2AK0 _pdbx_entry_details.compound_details ? _pdbx_entry_details.source_details ? _pdbx_entry_details.nonpolymer_details ? _pdbx_entry_details.sequence_details ? _pdbx_entry_details.has_ligand_of_interest ? _pdbx_entry_details.has_protein_modification Y # loop_ _pdbx_validate_close_contact.id _pdbx_validate_close_contact.PDB_model_num _pdbx_validate_close_contact.auth_atom_id_1 _pdbx_validate_close_contact.auth_asym_id_1 _pdbx_validate_close_contact.auth_comp_id_1 _pdbx_validate_close_contact.auth_seq_id_1 _pdbx_validate_close_contact.PDB_ins_code_1 _pdbx_validate_close_contact.label_alt_id_1 _pdbx_validate_close_contact.auth_atom_id_2 _pdbx_validate_close_contact.auth_asym_id_2 _pdbx_validate_close_contact.auth_comp_id_2 _pdbx_validate_close_contact.auth_seq_id_2 _pdbx_validate_close_contact.PDB_ins_code_2 _pdbx_validate_close_contact.label_alt_id_2 _pdbx_validate_close_contact.dist 1 1 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 2 2 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 3 3 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 4 4 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 5 5 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 6 6 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 7 7 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 8 8 N A GLY 1 ? ? C A GLY 23 ? ? 1.32 9 9 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 10 10 N A GLY 1 ? ? C A GLY 23 ? ? 1.32 11 11 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 12 12 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 13 13 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 14 14 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 15 15 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 16 16 N A GLY 1 ? ? C A GLY 23 ? ? 1.32 17 17 N A GLY 1 ? ? C A GLY 23 ? ? 1.32 18 18 N A GLY 1 ? ? C A GLY 23 ? ? 1.32 19 19 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 20 20 N A GLY 1 ? ? C A GLY 23 ? ? 1.33 # loop_ _pdbx_validate_torsion.id _pdbx_validate_torsion.PDB_model_num _pdbx_validate_torsion.auth_comp_id _pdbx_validate_torsion.auth_asym_id _pdbx_validate_torsion.auth_seq_id _pdbx_validate_torsion.PDB_ins_code _pdbx_validate_torsion.label_alt_id _pdbx_validate_torsion.phi _pdbx_validate_torsion.psi 1 1 HIS A 12 ? ? -89.64 40.98 2 2 HIS A 12 ? ? -93.92 42.34 3 2 ALA A 18 ? ? -87.34 42.00 4 3 HIS A 12 ? ? -107.92 46.51 5 3 CYS A 16 ? ? -78.88 36.87 6 3 ALA A 18 ? ? -170.71 115.66 7 3 ALA A 21 ? ? -78.89 42.82 8 4 HIS A 12 ? ? -97.21 40.62 9 4 ALA A 21 ? ? -82.18 38.33 10 4 ALA A 22 ? ? -174.67 132.49 11 5 CYS A 16 ? ? -92.12 38.36 12 6 HIS A 12 ? ? -97.32 43.43 13 6 CYS A 16 ? ? -83.06 46.28 14 6 ALA A 22 ? ? 60.96 -152.38 15 7 HIS A 12 ? ? -93.58 41.37 16 8 HIS A 12 ? ? -92.68 35.02 17 9 HIS A 12 ? ? -91.65 43.58 18 9 CYS A 16 ? ? -89.97 38.67 19 10 HIS A 12 ? ? -100.34 50.37 20 10 ALA A 18 ? ? -105.92 57.47 21 10 ALA A 21 ? ? -150.82 74.62 22 11 HIS A 12 ? ? -90.56 38.69 23 11 CYS A 16 ? ? -101.34 47.14 24 12 HIS A 12 ? ? -103.64 41.02 25 12 ALA A 18 ? ? -98.06 47.14 26 13 HIS A 12 ? ? -92.48 38.22 27 13 ALA A 21 ? ? -172.34 139.95 28 13 ALA A 22 ? ? 67.55 149.77 29 14 CYS A 16 ? ? -87.09 33.86 30 14 ALA A 18 ? ? -156.19 41.34 31 15 HIS A 12 ? ? -91.57 43.46 32 15 CYS A 16 ? ? -93.29 41.87 33 16 ALA A 21 ? ? -178.54 144.09 34 16 ALA A 22 ? ? 57.45 -151.96 35 17 HIS A 12 ? ? -91.34 44.46 36 17 CYS A 16 ? ? -82.42 36.60 37 17 ALA A 18 ? ? -153.25 41.32 38 18 HIS A 12 ? ? -92.20 47.99 39 18 CYS A 16 ? ? -89.96 38.87 40 18 ALA A 21 ? ? -165.82 -147.00 41 18 ALA A 22 ? ? 63.40 -158.08 42 19 HIS A 12 ? ? -98.08 43.26 43 19 CYS A 16 ? ? -83.13 42.38 44 20 HIS A 12 ? ? -89.52 39.01 # _pdbx_nmr_ensemble.entry_id 2AK0 _pdbx_nmr_ensemble.conformers_calculated_total_number 50 _pdbx_nmr_ensemble.conformers_submitted_total_number 20 _pdbx_nmr_ensemble.conformer_selection_criteria 'structures with the lowest energy' _pdbx_nmr_ensemble.average_constraints_per_residue ? _pdbx_nmr_ensemble.average_constraint_violations_per_residue ? _pdbx_nmr_ensemble.maximum_distance_constraint_violation ? _pdbx_nmr_ensemble.average_distance_constraint_violation ? _pdbx_nmr_ensemble.maximum_upper_distance_constraint_violation ? _pdbx_nmr_ensemble.maximum_lower_distance_constraint_violation ? _pdbx_nmr_ensemble.distance_constraint_violation_method ? _pdbx_nmr_ensemble.maximum_torsion_angle_constraint_violation ? _pdbx_nmr_ensemble.average_torsion_angle_constraint_violation ? _pdbx_nmr_ensemble.torsion_angle_constraint_violation_method ? # _pdbx_nmr_representative.entry_id 2AK0 _pdbx_nmr_representative.conformer_id 1 _pdbx_nmr_representative.selection_criteria 'lowest energy' # _pdbx_nmr_sample_details.solution_id 1 _pdbx_nmr_sample_details.contents '1mM cyclic MII-7' _pdbx_nmr_sample_details.solvent_system '90% H2O/10% D2O' # _pdbx_nmr_exptl_sample_conditions.conditions_id 1 _pdbx_nmr_exptl_sample_conditions.temperature 298 _pdbx_nmr_exptl_sample_conditions.pressure ambient _pdbx_nmr_exptl_sample_conditions.pH 3.5 _pdbx_nmr_exptl_sample_conditions.ionic_strength ? _pdbx_nmr_exptl_sample_conditions.pressure_units . _pdbx_nmr_exptl_sample_conditions.temperature_units K # loop_ _pdbx_nmr_exptl.experiment_id _pdbx_nmr_exptl.conditions_id _pdbx_nmr_exptl.type _pdbx_nmr_exptl.solution_id 1 1 '2D NOESY' 1 2 1 '2D TOCSY' 1 3 1 DQF-COSY 1 4 1 E-COSY 1 # _pdbx_nmr_refine.entry_id 2AK0 _pdbx_nmr_refine.method 'simulated annealing' _pdbx_nmr_refine.details ? _pdbx_nmr_refine.software_ordinal 1 # loop_ _pdbx_nmr_software.classification _pdbx_nmr_software.name _pdbx_nmr_software.version _pdbx_nmr_software.authors _pdbx_nmr_software.ordinal collection XwinNMR 1.3.5 Bruker 1 'data analysis' XEASY 1.3.7 'Eccles et al' 2 'structure solution' DYANA 1.5 Guntert 3 'structure solution' CNS 1.1 Brunger 4 refinement CNS 1.1 ? 5 # loop_ _chem_comp_atom.comp_id _chem_comp_atom.atom_id _chem_comp_atom.type_symbol _chem_comp_atom.pdbx_aromatic_flag _chem_comp_atom.pdbx_stereo_config _chem_comp_atom.pdbx_ordinal ALA N N N N 1 ALA CA C N S 2 ALA C C N N 3 ALA O O N N 4 ALA CB C N N 5 ALA OXT O N N 6 ALA H H N N 7 ALA H2 H N N 8 ALA HA H N N 9 ALA HB1 H N N 10 ALA HB2 H N N 11 ALA HB3 H N N 12 ALA HXT H N N 13 ASN N N N N 14 ASN CA C N S 15 ASN C C N N 16 ASN O O N N 17 ASN CB C N N 18 ASN CG C N N 19 ASN OD1 O N N 20 ASN ND2 N N N 21 ASN OXT O N N 22 ASN H H N N 23 ASN H2 H N N 24 ASN HA H N N 25 ASN HB2 H N N 26 ASN HB3 H N N 27 ASN HD21 H N N 28 ASN HD22 H N N 29 ASN HXT H N N 30 CYS N N N N 31 CYS CA C N R 32 CYS C C N N 33 CYS O O N N 34 CYS CB C N N 35 CYS SG S N N 36 CYS OXT O N N 37 CYS H H N N 38 CYS H2 H N N 39 CYS HA H N N 40 CYS HB2 H N N 41 CYS HB3 H N N 42 CYS HG H N N 43 CYS HXT H N N 44 GLU N N N N 45 GLU CA C N S 46 GLU C C N N 47 GLU O O N N 48 GLU CB C N N 49 GLU CG C N N 50 GLU CD C N N 51 GLU OE1 O N N 52 GLU OE2 O N N 53 GLU OXT O N N 54 GLU H H N N 55 GLU H2 H N N 56 GLU HA H N N 57 GLU HB2 H N N 58 GLU HB3 H N N 59 GLU HG2 H N N 60 GLU HG3 H N N 61 GLU HE2 H N N 62 GLU HXT H N N 63 GLY N N N N 64 GLY CA C N N 65 GLY C C N N 66 GLY O O N N 67 GLY OXT O N N 68 GLY H H N N 69 GLY H2 H N N 70 GLY HA2 H N N 71 GLY HA3 H N N 72 GLY HXT H N N 73 HIS N N N N 74 HIS CA C N S 75 HIS C C N N 76 HIS O O N N 77 HIS CB C N N 78 HIS CG C Y N 79 HIS ND1 N Y N 80 HIS CD2 C Y N 81 HIS CE1 C Y N 82 HIS NE2 N Y N 83 HIS OXT O N N 84 HIS H H N N 85 HIS H2 H N N 86 HIS HA H N N 87 HIS HB2 H N N 88 HIS HB3 H N N 89 HIS HD1 H N N 90 HIS HD2 H N N 91 HIS HE1 H N N 92 HIS HE2 H N N 93 HIS HXT H N N 94 LEU N N N N 95 LEU CA C N S 96 LEU C C N N 97 LEU O O N N 98 LEU CB C N N 99 LEU CG C N N 100 LEU CD1 C N N 101 LEU CD2 C N N 102 LEU OXT O N N 103 LEU H H N N 104 LEU H2 H N N 105 LEU HA H N N 106 LEU HB2 H N N 107 LEU HB3 H N N 108 LEU HG H N N 109 LEU HD11 H N N 110 LEU HD12 H N N 111 LEU HD13 H N N 112 LEU HD21 H N N 113 LEU HD22 H N N 114 LEU HD23 H N N 115 LEU HXT H N N 116 PRO N N N N 117 PRO CA C N S 118 PRO C C N N 119 PRO O O N N 120 PRO CB C N N 121 PRO CG C N N 122 PRO CD C N N 123 PRO OXT O N N 124 PRO H H N N 125 PRO HA H N N 126 PRO HB2 H N N 127 PRO HB3 H N N 128 PRO HG2 H N N 129 PRO HG3 H N N 130 PRO HD2 H N N 131 PRO HD3 H N N 132 PRO HXT H N N 133 SER N N N N 134 SER CA C N S 135 SER C C N N 136 SER O O N N 137 SER CB C N N 138 SER OG O N N 139 SER OXT O N N 140 SER H H N N 141 SER H2 H N N 142 SER HA H N N 143 SER HB2 H N N 144 SER HB3 H N N 145 SER HG H N N 146 SER HXT H N N 147 VAL N N N N 148 VAL CA C N S 149 VAL C C N N 150 VAL O O N N 151 VAL CB C N N 152 VAL CG1 C N N 153 VAL CG2 C N N 154 VAL OXT O N N 155 VAL H H N N 156 VAL H2 H N N 157 VAL HA H N N 158 VAL HB H N N 159 VAL HG11 H N N 160 VAL HG12 H N N 161 VAL HG13 H N N 162 VAL HG21 H N N 163 VAL HG22 H N N 164 VAL HG23 H N N 165 VAL HXT H N N 166 # loop_ _chem_comp_bond.comp_id _chem_comp_bond.atom_id_1 _chem_comp_bond.atom_id_2 _chem_comp_bond.value_order _chem_comp_bond.pdbx_aromatic_flag _chem_comp_bond.pdbx_stereo_config _chem_comp_bond.pdbx_ordinal ALA N CA sing N N 1 ALA N H sing N N 2 ALA N H2 sing N N 3 ALA CA C sing N N 4 ALA CA CB sing N N 5 ALA CA HA sing N N 6 ALA C O doub N N 7 ALA C OXT sing N N 8 ALA CB HB1 sing N N 9 ALA CB HB2 sing N N 10 ALA CB HB3 sing N N 11 ALA OXT HXT sing N N 12 ASN N CA sing N N 13 ASN N H sing N N 14 ASN N H2 sing N N 15 ASN CA C sing N N 16 ASN CA CB sing N N 17 ASN CA HA sing N N 18 ASN C O doub N N 19 ASN C OXT sing N N 20 ASN CB CG sing N N 21 ASN CB HB2 sing N N 22 ASN CB HB3 sing N N 23 ASN CG OD1 doub N N 24 ASN CG ND2 sing N N 25 ASN ND2 HD21 sing N N 26 ASN ND2 HD22 sing N N 27 ASN OXT HXT sing N N 28 CYS N CA sing N N 29 CYS N H sing N N 30 CYS N H2 sing N N 31 CYS CA C sing N N 32 CYS CA CB sing N N 33 CYS CA HA sing N N 34 CYS C O doub N N 35 CYS C OXT sing N N 36 CYS CB SG sing N N 37 CYS CB HB2 sing N N 38 CYS CB HB3 sing N N 39 CYS SG HG sing N N 40 CYS OXT HXT sing N N 41 GLU N CA sing N N 42 GLU N H sing N N 43 GLU N H2 sing N N 44 GLU CA C sing N N 45 GLU CA CB sing N N 46 GLU CA HA sing N N 47 GLU C O doub N N 48 GLU C OXT sing N N 49 GLU CB CG sing N N 50 GLU CB HB2 sing N N 51 GLU CB HB3 sing N N 52 GLU CG CD sing N N 53 GLU CG HG2 sing N N 54 GLU CG HG3 sing N N 55 GLU CD OE1 doub N N 56 GLU CD OE2 sing N N 57 GLU OE2 HE2 sing N N 58 GLU OXT HXT sing N N 59 GLY N CA sing N N 60 GLY N H sing N N 61 GLY N H2 sing N N 62 GLY CA C sing N N 63 GLY CA HA2 sing N N 64 GLY CA HA3 sing N N 65 GLY C O doub N N 66 GLY C OXT sing N N 67 GLY OXT HXT sing N N 68 HIS N CA sing N N 69 HIS N H sing N N 70 HIS N H2 sing N N 71 HIS CA C sing N N 72 HIS CA CB sing N N 73 HIS CA HA sing N N 74 HIS C O doub N N 75 HIS C OXT sing N N 76 HIS CB CG sing N N 77 HIS CB HB2 sing N N 78 HIS CB HB3 sing N N 79 HIS CG ND1 sing Y N 80 HIS CG CD2 doub Y N 81 HIS ND1 CE1 doub Y N 82 HIS ND1 HD1 sing N N 83 HIS CD2 NE2 sing Y N 84 HIS CD2 HD2 sing N N 85 HIS CE1 NE2 sing Y N 86 HIS CE1 HE1 sing N N 87 HIS NE2 HE2 sing N N 88 HIS OXT HXT sing N N 89 LEU N CA sing N N 90 LEU N H sing N N 91 LEU N H2 sing N N 92 LEU CA C sing N N 93 LEU CA CB sing N N 94 LEU CA HA sing N N 95 LEU C O doub N N 96 LEU C OXT sing N N 97 LEU CB CG sing N N 98 LEU CB HB2 sing N N 99 LEU CB HB3 sing N N 100 LEU CG CD1 sing N N 101 LEU CG CD2 sing N N 102 LEU CG HG sing N N 103 LEU CD1 HD11 sing N N 104 LEU CD1 HD12 sing N N 105 LEU CD1 HD13 sing N N 106 LEU CD2 HD21 sing N N 107 LEU CD2 HD22 sing N N 108 LEU CD2 HD23 sing N N 109 LEU OXT HXT sing N N 110 PRO N CA sing N N 111 PRO N CD sing N N 112 PRO N H sing N N 113 PRO CA C sing N N 114 PRO CA CB sing N N 115 PRO CA HA sing N N 116 PRO C O doub N N 117 PRO C OXT sing N N 118 PRO CB CG sing N N 119 PRO CB HB2 sing N N 120 PRO CB HB3 sing N N 121 PRO CG CD sing N N 122 PRO CG HG2 sing N N 123 PRO CG HG3 sing N N 124 PRO CD HD2 sing N N 125 PRO CD HD3 sing N N 126 PRO OXT HXT sing N N 127 SER N CA sing N N 128 SER N H sing N N 129 SER N H2 sing N N 130 SER CA C sing N N 131 SER CA CB sing N N 132 SER CA HA sing N N 133 SER C O doub N N 134 SER C OXT sing N N 135 SER CB OG sing N N 136 SER CB HB2 sing N N 137 SER CB HB3 sing N N 138 SER OG HG sing N N 139 SER OXT HXT sing N N 140 VAL N CA sing N N 141 VAL N H sing N N 142 VAL N H2 sing N N 143 VAL CA C sing N N 144 VAL CA CB sing N N 145 VAL CA HA sing N N 146 VAL C O doub N N 147 VAL C OXT sing N N 148 VAL CB CG1 sing N N 149 VAL CB CG2 sing N N 150 VAL CB HB sing N N 151 VAL CG1 HG11 sing N N 152 VAL CG1 HG12 sing N N 153 VAL CG1 HG13 sing N N 154 VAL CG2 HG21 sing N N 155 VAL CG2 HG22 sing N N 156 VAL CG2 HG23 sing N N 157 VAL OXT HXT sing N N 158 # loop_ _pdbx_nmr_spectrometer.spectrometer_id _pdbx_nmr_spectrometer.model _pdbx_nmr_spectrometer.manufacturer _pdbx_nmr_spectrometer.field_strength _pdbx_nmr_spectrometer.type 1 AVANCE Bruker 500 ? 2 AVANCE Bruker 600 ? 3 DMX Bruker 750 ? # _atom_sites.entry_id 2AK0 _atom_sites.fract_transf_matrix[1][1] 1.000000 _atom_sites.fract_transf_matrix[1][2] 0.000000 _atom_sites.fract_transf_matrix[1][3] 0.000000 _atom_sites.fract_transf_matrix[2][1] 0.000000 _atom_sites.fract_transf_matrix[2][2] 1.000000 _atom_sites.fract_transf_matrix[2][3] 0.000000 _atom_sites.fract_transf_matrix[3][1] 0.000000 _atom_sites.fract_transf_matrix[3][2] 0.000000 _atom_sites.fract_transf_matrix[3][3] 1.000000 _atom_sites.fract_transf_vector[1] 0.00000 _atom_sites.fract_transf_vector[2] 0.00000 _atom_sites.fract_transf_vector[3] 0.00000 # loop_ _atom_type.symbol C H N O S # loop_