data_2IGR
# 
_entry.id   2IGR 
# 
_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   2IGR         pdb_00002igr 10.2210/pdb2igr/pdb 
RCSB  RCSB039550   ?            ?                   
WWPDB D_1000039550 ?            ?                   
# 
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 2006-11-18 
2 'Structure model' 1 1 2008-05-01 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 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 4 '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' chem_comp_atom            
2 4 'Structure model' chem_comp_bond            
3 4 'Structure model' database_2                
4 4 'Structure model' pdbx_entry_details        
5 4 'Structure model' pdbx_modification_feature 
6 4 'Structure model' pdbx_nmr_spectrometer     
7 4 'Structure model' struct_conn               
8 4 'Structure model' struct_site               
# 
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_entry_details.has_protein_modification' 
4 4 'Structure model' '_pdbx_nmr_spectrometer.model'                 
5 4 'Structure model' '_struct_conn.pdbx_leaving_atom_flag'          
6 4 'Structure model' '_struct_site.pdbx_auth_asym_id'               
7 4 'Structure model' '_struct_site.pdbx_auth_comp_id'               
8 4 'Structure model' '_struct_site.pdbx_auth_seq_id'                
# 
_pdbx_database_status.entry_id                        2IGR 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    PDBJ 
_pdbx_database_status.recvd_initial_deposition_date   2006-09-24 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.status_code_sf                  ? 
_pdbx_database_status.status_code_mr                  REL 
_pdbx_database_status.SG_entry                        ? 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_nmr_data            ? 
_pdbx_database_status.methods_development_category    ? 
# 
loop_
_pdbx_database_related.db_name 
_pdbx_database_related.db_id 
_pdbx_database_related.details 
_pdbx_database_related.content_type 
PDB 1D9J 'Custom Cecropin' unspecified 
PDB 1D9M 'Custom Cecropin' unspecified 
PDB 1D9O 'Custom Cecropin' unspecified 
PDB 1D9P 'Custom Cecropin' unspecified 
# 
_audit_author.name           'Wu, J.-M.' 
_audit_author.pdbx_ordinal   1 
# 
_citation.id                        primary 
_citation.title                     'Structure and function of a custom anticancer peptide, CB1a' 
_citation.journal_abbrev            Peptides 
_citation.journal_volume            30 
_citation.page_first                839 
_citation.page_last                 848 
_citation.year                      2009 
_citation.journal_id_ASTM           ? 
_citation.country                   US 
_citation.journal_id_ISSN           0196-9781 
_citation.journal_id_CSD            ? 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   19428759 
_citation.pdbx_database_id_DOI      10.1016/j.peptides.2009.02.004 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Wu, J.-M.'    1 ? 
primary 'Jan, P.-S.'   2 ? 
primary 'Yu, H.-C.'    3 ? 
primary 'Haung, H.-Y.' 4 ? 
primary 'Fang, H.-J.'  5 ? 
primary 'Chang, Y.-I.' 6 ? 
primary 'Cheng, J.-W.' 7 ? 
primary 'Chen, H.M.'   8 ? 
# 
_entity.id                         1 
_entity.type                       polymer 
_entity.src_method                 syn 
_entity.pdbx_description           'Anticancer peptide CB1a' 
_entity.formula_weight             4203.322 
_entity.pdbx_number_of_molecules   1 
_entity.pdbx_ec                    ? 
_entity.pdbx_mutation              ? 
_entity.pdbx_fragment              ? 
_entity.details                    ? 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           'polypeptide(L)' 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   yes 
_entity_poly.pdbx_seq_one_letter_code       'KWKVFKKIEKKWKVFKKIEKAGPKWKVFKKIEK(NH2)' 
_entity_poly.pdbx_seq_one_letter_code_can   KWKVFKKIEKKWKVFKKIEKAGPKWKVFKKIEKX 
_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  LYS n 
1 2  TRP n 
1 3  LYS n 
1 4  VAL n 
1 5  PHE n 
1 6  LYS n 
1 7  LYS n 
1 8  ILE n 
1 9  GLU n 
1 10 LYS n 
1 11 LYS n 
1 12 TRP n 
1 13 LYS n 
1 14 VAL n 
1 15 PHE n 
1 16 LYS n 
1 17 LYS n 
1 18 ILE n 
1 19 GLU n 
1 20 LYS n 
1 21 ALA n 
1 22 GLY n 
1 23 PRO n 
1 24 LYS n 
1 25 TRP n 
1 26 LYS n 
1 27 VAL n 
1 28 PHE n 
1 29 LYS n 
1 30 LYS n 
1 31 ILE n 
1 32 GLU n 
1 33 LYS n 
1 34 NH2 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    'Hyalophora cecropia' 
_pdbx_entity_src_syn.organism_common_name   'Cecropia moth' 
_pdbx_entity_src_syn.ncbi_taxonomy_id       7123 
_pdbx_entity_src_syn.details                'This peptide was designed from Cecropin B and chemically synthesized.' 
# 
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  
GLU 'L-peptide linking' y 'GLUTAMIC ACID' ? 'C5 H9 N O4'     147.129 
GLY 'peptide linking'   y GLYCINE         ? 'C2 H5 N O2'     75.067  
ILE 'L-peptide linking' y ISOLEUCINE      ? 'C6 H13 N O2'    131.173 
LYS 'L-peptide linking' y LYSINE          ? 'C6 H15 N2 O2 1' 147.195 
NH2 non-polymer         . 'AMINO GROUP'   ? 'H2 N'           16.023  
PHE 'L-peptide linking' y PHENYLALANINE   ? 'C9 H11 N O2'    165.189 
PRO 'L-peptide linking' y PROLINE         ? 'C5 H9 N O2'     115.130 
TRP 'L-peptide linking' y TRYPTOPHAN      ? 'C11 H12 N2 O2'  204.225 
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  LYS 1  1  1  LYS LYS A . n 
A 1 2  TRP 2  2  2  TRP TRP A . n 
A 1 3  LYS 3  3  3  LYS LYS A . n 
A 1 4  VAL 4  4  4  VAL VAL A . n 
A 1 5  PHE 5  5  5  PHE PHE A . n 
A 1 6  LYS 6  6  6  LYS LYS A . n 
A 1 7  LYS 7  7  7  LYS LYS A . n 
A 1 8  ILE 8  8  8  ILE ILE A . n 
A 1 9  GLU 9  9  9  GLU GLU A . n 
A 1 10 LYS 10 10 10 LYS LYS A . n 
A 1 11 LYS 11 11 11 LYS LYS A . n 
A 1 12 TRP 12 12 12 TRP TRP A . n 
A 1 13 LYS 13 13 13 LYS LYS A . n 
A 1 14 VAL 14 14 14 VAL VAL A . n 
A 1 15 PHE 15 15 15 PHE PHE A . n 
A 1 16 LYS 16 16 16 LYS LYS A . n 
A 1 17 LYS 17 17 17 LYS LYS A . n 
A 1 18 ILE 18 18 18 ILE ILE A . n 
A 1 19 GLU 19 19 19 GLU GLU A . n 
A 1 20 LYS 20 20 20 LYS LYS A . n 
A 1 21 ALA 21 21 21 ALA ALA A . n 
A 1 22 GLY 22 22 22 GLY GLY A . n 
A 1 23 PRO 23 23 23 PRO PRO A . n 
A 1 24 LYS 24 24 24 LYS LYS A . n 
A 1 25 TRP 25 25 25 TRP TRP A . n 
A 1 26 LYS 26 26 26 LYS LYS A . n 
A 1 27 VAL 27 27 27 VAL VAL A . n 
A 1 28 PHE 28 28 28 PHE PHE A . n 
A 1 29 LYS 29 29 29 LYS LYS A . n 
A 1 30 LYS 30 30 30 LYS LYS A . n 
A 1 31 ILE 31 31 31 ILE ILE A . n 
A 1 32 GLU 32 32 32 GLU GLU A . n 
A 1 33 LYS 33 33 33 LYS LYS A . n 
A 1 34 NH2 34 34 33 NH2 LYS A . n 
# 
_exptl.entry_id          2IGR 
_exptl.method            'SOLUTION NMR' 
_exptl.crystals_number   ? 
# 
_struct.entry_id                  2IGR 
_struct.title                     
'Solution structure of CB1a, a novel anticancer peptide derived from natural antimicrobial peptide cecropin B' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        2IGR 
_struct_keywords.pdbx_keywords   'DE NOVO PROTEIN, LIPID BINDING PROTEIN' 
_struct_keywords.text            
;Anticancer peptide, cecropin, antimicrobial peptide, ploycationic peptide, cecropin fingerprint sequence, DE NOVO PROTEIN, LIPID BINDING PROTEIN
;
# 
_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                    PDB 
_struct_ref.db_code                    2IGR 
_struct_ref.pdbx_db_accession          2IGR 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_align_begin           1 
_struct_ref.pdbx_seq_one_letter_code   KWKVFKKIEKKWKVFKKIEKAGPKWKVFKKIEKX 
_struct_ref.pdbx_db_isoform            ? 
# 
_struct_ref_seq.align_id                      1 
_struct_ref_seq.ref_id                        1 
_struct_ref_seq.pdbx_PDB_id_code              2IGR 
_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                 34 
_struct_ref_seq.pdbx_seq_align_end_ins_code   ? 
_struct_ref_seq.pdbx_db_accession             2IGR 
_struct_ref_seq.db_align_beg                  1 
_struct_ref_seq.pdbx_db_align_beg_ins_code    ? 
_struct_ref_seq.db_align_end                  34 
_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       34 
# 
_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 
_struct_biol.details   ? 
# 
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 LYS A 3  ? GLY A 22 ? LYS A 3  GLY A 22 1 ? 20 
HELX_P HELX_P2 2 PRO A 23 ? LYS A 33 ? PRO A 23 LYS A 33 1 ? 11 
# 
_struct_conf_type.id          HELX_P 
_struct_conf_type.criteria    ? 
_struct_conf_type.reference   ? 
# 
_struct_conn.id                            covale1 
_struct_conn.conn_type_id                  covale 
_struct_conn.pdbx_leaving_atom_flag        both 
_struct_conn.pdbx_PDB_id                   ? 
_struct_conn.ptnr1_label_asym_id           A 
_struct_conn.ptnr1_label_comp_id           LYS 
_struct_conn.ptnr1_label_seq_id            33 
_struct_conn.ptnr1_label_atom_id           C 
_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                1_555 
_struct_conn.ptnr2_label_asym_id           A 
_struct_conn.ptnr2_label_comp_id           NH2 
_struct_conn.ptnr2_label_seq_id            34 
_struct_conn.ptnr2_label_atom_id           N 
_struct_conn.pdbx_ptnr2_label_alt_id       ? 
_struct_conn.pdbx_ptnr2_PDB_ins_code       ? 
_struct_conn.ptnr1_auth_asym_id            A 
_struct_conn.ptnr1_auth_comp_id            LYS 
_struct_conn.ptnr1_auth_seq_id             33 
_struct_conn.ptnr2_auth_asym_id            A 
_struct_conn.ptnr2_auth_comp_id            NH2 
_struct_conn.ptnr2_auth_seq_id             34 
_struct_conn.ptnr2_symmetry                1_555 
_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               1.305 
_struct_conn.pdbx_value_order              ? 
_struct_conn.pdbx_role                     ? 
# 
_struct_conn_type.id          covale 
_struct_conn_type.criteria    ? 
_struct_conn_type.reference   ? 
# 
_pdbx_modification_feature.ordinal                            1 
_pdbx_modification_feature.label_comp_id                      NH2 
_pdbx_modification_feature.label_asym_id                      A 
_pdbx_modification_feature.label_seq_id                       34 
_pdbx_modification_feature.label_alt_id                       ? 
_pdbx_modification_feature.modified_residue_label_comp_id     LYS 
_pdbx_modification_feature.modified_residue_label_asym_id     A 
_pdbx_modification_feature.modified_residue_label_seq_id      33 
_pdbx_modification_feature.modified_residue_label_alt_id      ? 
_pdbx_modification_feature.auth_comp_id                       NH2 
_pdbx_modification_feature.auth_asym_id                       A 
_pdbx_modification_feature.auth_seq_id                        34 
_pdbx_modification_feature.PDB_ins_code                       ? 
_pdbx_modification_feature.symmetry                           1_555 
_pdbx_modification_feature.modified_residue_auth_comp_id      LYS 
_pdbx_modification_feature.modified_residue_auth_asym_id      A 
_pdbx_modification_feature.modified_residue_auth_seq_id       33 
_pdbx_modification_feature.modified_residue_PDB_ins_code      ? 
_pdbx_modification_feature.modified_residue_symmetry          1_555 
_pdbx_modification_feature.comp_id_linking_atom               . 
_pdbx_modification_feature.modified_residue_id_linking_atom   . 
_pdbx_modification_feature.modified_residue_id                LYS 
_pdbx_modification_feature.ref_pcm_id                         20 
_pdbx_modification_feature.ref_comp_id                        NH2 
_pdbx_modification_feature.type                               None 
_pdbx_modification_feature.category                           'Terminal amidation' 
# 
_struct_site.id                   AC1 
_struct_site.pdbx_evidence_code   Software 
_struct_site.pdbx_auth_asym_id    A 
_struct_site.pdbx_auth_comp_id    NH2 
_struct_site.pdbx_auth_seq_id     34 
_struct_site.pdbx_auth_ins_code   ? 
_struct_site.pdbx_num_residues    2 
_struct_site.details              'BINDING SITE FOR RESIDUE NH2 A 34' 
# 
loop_
_struct_site_gen.id 
_struct_site_gen.site_id 
_struct_site_gen.pdbx_num_res 
_struct_site_gen.label_comp_id 
_struct_site_gen.label_asym_id 
_struct_site_gen.label_seq_id 
_struct_site_gen.pdbx_auth_ins_code 
_struct_site_gen.auth_comp_id 
_struct_site_gen.auth_asym_id 
_struct_site_gen.auth_seq_id 
_struct_site_gen.label_atom_id 
_struct_site_gen.label_alt_id 
_struct_site_gen.symmetry 
_struct_site_gen.details 
1 AC1 2 GLU A 32 ? GLU A 32 . ? 1_555 ? 
2 AC1 2 LYS A 33 ? LYS A 33 . ? 1_555 ? 
# 
_pdbx_entry_details.entry_id                   2IGR 
_pdbx_entry_details.nonpolymer_details         ? 
_pdbx_entry_details.sequence_details           
;IN THIS ENTRY, THE PROTEIN WAS CONSTRUCTED BY REPEATING THE ORIGINAL N-TERMINAL TEN AMINO ACIDS OF CECROPIN-B, KWKVFKKIEK, THREE TIMES AND RETAINING A CONSERVED HINGE SEQUENCE (ALA-GLY-PRO) OF CECROPINS BETWEEN THE SECOND AND THE THIRD REPEAT.
;
_pdbx_entry_details.compound_details           ? 
_pdbx_entry_details.source_details             ? 
_pdbx_entry_details.has_ligand_of_interest     ? 
_pdbx_entry_details.has_protein_modification   Y 
# 
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  PRO A 23 ? ? -79.46 45.21  
2 5  PRO A 23 ? ? -79.38 46.35  
3 14 PRO A 23 ? ? -79.17 44.63  
4 18 TRP A 2  ? ? 56.95  -84.16 
# 
_pdbx_nmr_ensemble.entry_id                                      2IGR 
_pdbx_nmr_ensemble.conformers_calculated_total_number            100 
_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             2IGR 
_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         '3mM CB1a peptide; 20% d-HFP; 95% H2O, 5% D2O' 
_pdbx_nmr_sample_details.solvent_system   '95% H2O/5% D2O' 
# 
_pdbx_nmr_exptl_sample_conditions.conditions_id       1 
_pdbx_nmr_exptl_sample_conditions.temperature         303 
_pdbx_nmr_exptl_sample_conditions.pressure            1 
_pdbx_nmr_exptl_sample_conditions.pH                  4.9 
_pdbx_nmr_exptl_sample_conditions.ionic_strength      ? 
_pdbx_nmr_exptl_sample_conditions.pressure_units      atm 
_pdbx_nmr_exptl_sample_conditions.temperature_units   K 
# 
loop_
_pdbx_nmr_exptl.experiment_id 
_pdbx_nmr_exptl.solution_id 
_pdbx_nmr_exptl.conditions_id 
_pdbx_nmr_exptl.type 
1 1 1 '2D NOESY' 
2 1 1 '2D TOCSY' 
3 1 1 DQF-COSY   
# 
_pdbx_nmr_refine.entry_id           2IGR 
_pdbx_nmr_refine.method             'distance geometry, simulated annealing' 
_pdbx_nmr_refine.details            ? 
_pdbx_nmr_refine.software_ordinal   1 
# 
_pdbx_nmr_software.name             X-PLOR 
_pdbx_nmr_software.version          'XPLOR-NIH 2.1.09' 
_pdbx_nmr_software.classification   refinement 
_pdbx_nmr_software.authors          'Brunger A. T. etall' 
_pdbx_nmr_software.ordinal          1 
# 
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  
GLU N    N N N 14  
GLU CA   C N S 15  
GLU C    C N N 16  
GLU O    O N N 17  
GLU CB   C N N 18  
GLU CG   C N N 19  
GLU CD   C N N 20  
GLU OE1  O N N 21  
GLU OE2  O N N 22  
GLU OXT  O N N 23  
GLU H    H N N 24  
GLU H2   H N N 25  
GLU HA   H N N 26  
GLU HB2  H N N 27  
GLU HB3  H N N 28  
GLU HG2  H N N 29  
GLU HG3  H N N 30  
GLU HE2  H N N 31  
GLU HXT  H N N 32  
GLY N    N N N 33  
GLY CA   C N N 34  
GLY C    C N N 35  
GLY O    O N N 36  
GLY OXT  O N N 37  
GLY H    H N N 38  
GLY H2   H N N 39  
GLY HA2  H N N 40  
GLY HA3  H N N 41  
GLY HXT  H N N 42  
ILE N    N N N 43  
ILE CA   C N S 44  
ILE C    C N N 45  
ILE O    O N N 46  
ILE CB   C N S 47  
ILE CG1  C N N 48  
ILE CG2  C N N 49  
ILE CD1  C N N 50  
ILE OXT  O N N 51  
ILE H    H N N 52  
ILE H2   H N N 53  
ILE HA   H N N 54  
ILE HB   H N N 55  
ILE HG12 H N N 56  
ILE HG13 H N N 57  
ILE HG21 H N N 58  
ILE HG22 H N N 59  
ILE HG23 H N N 60  
ILE HD11 H N N 61  
ILE HD12 H N N 62  
ILE HD13 H N N 63  
ILE HXT  H N N 64  
LYS N    N N N 65  
LYS CA   C N S 66  
LYS C    C N N 67  
LYS O    O N N 68  
LYS CB   C N N 69  
LYS CG   C N N 70  
LYS CD   C N N 71  
LYS CE   C N N 72  
LYS NZ   N N N 73  
LYS OXT  O N N 74  
LYS H    H N N 75  
LYS H2   H N N 76  
LYS HA   H N N 77  
LYS HB2  H N N 78  
LYS HB3  H N N 79  
LYS HG2  H N N 80  
LYS HG3  H N N 81  
LYS HD2  H N N 82  
LYS HD3  H N N 83  
LYS HE2  H N N 84  
LYS HE3  H N N 85  
LYS HZ1  H N N 86  
LYS HZ2  H N N 87  
LYS HZ3  H N N 88  
LYS HXT  H N N 89  
NH2 N    N N N 90  
NH2 HN1  H N N 91  
NH2 HN2  H N N 92  
PHE N    N N N 93  
PHE CA   C N S 94  
PHE C    C N N 95  
PHE O    O N N 96  
PHE CB   C N N 97  
PHE CG   C Y N 98  
PHE CD1  C Y N 99  
PHE CD2  C Y N 100 
PHE CE1  C Y N 101 
PHE CE2  C Y N 102 
PHE CZ   C Y N 103 
PHE OXT  O N N 104 
PHE H    H N N 105 
PHE H2   H N N 106 
PHE HA   H N N 107 
PHE HB2  H N N 108 
PHE HB3  H N N 109 
PHE HD1  H N N 110 
PHE HD2  H N N 111 
PHE HE1  H N N 112 
PHE HE2  H N N 113 
PHE HZ   H N N 114 
PHE HXT  H N N 115 
PRO N    N N N 116 
PRO CA   C N S 117 
PRO C    C N N 118 
PRO O    O N N 119 
PRO CB   C N N 120 
PRO CG   C N N 121 
PRO CD   C N N 122 
PRO OXT  O N N 123 
PRO H    H N N 124 
PRO HA   H N N 125 
PRO HB2  H N N 126 
PRO HB3  H N N 127 
PRO HG2  H N N 128 
PRO HG3  H N N 129 
PRO HD2  H N N 130 
PRO HD3  H N N 131 
PRO HXT  H N N 132 
TRP N    N N N 133 
TRP CA   C N S 134 
TRP C    C N N 135 
TRP O    O N N 136 
TRP CB   C N N 137 
TRP CG   C Y N 138 
TRP CD1  C Y N 139 
TRP CD2  C Y N 140 
TRP NE1  N Y N 141 
TRP CE2  C Y N 142 
TRP CE3  C Y N 143 
TRP CZ2  C Y N 144 
TRP CZ3  C Y N 145 
TRP CH2  C Y N 146 
TRP OXT  O N N 147 
TRP H    H N N 148 
TRP H2   H N N 149 
TRP HA   H N N 150 
TRP HB2  H N N 151 
TRP HB3  H N N 152 
TRP HD1  H N N 153 
TRP HE1  H N N 154 
TRP HE3  H N N 155 
TRP HZ2  H N N 156 
TRP HZ3  H N N 157 
TRP HH2  H N N 158 
TRP HXT  H N N 159 
VAL N    N N N 160 
VAL CA   C N S 161 
VAL C    C N N 162 
VAL O    O N N 163 
VAL CB   C N N 164 
VAL CG1  C N N 165 
VAL CG2  C N N 166 
VAL OXT  O N N 167 
VAL H    H N N 168 
VAL H2   H N N 169 
VAL HA   H N N 170 
VAL HB   H N N 171 
VAL HG11 H N N 172 
VAL HG12 H N N 173 
VAL HG13 H N N 174 
VAL HG21 H N N 175 
VAL HG22 H N N 176 
VAL HG23 H N N 177 
VAL HXT  H N N 178 
# 
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  
GLU N   CA   sing N N 13  
GLU N   H    sing N N 14  
GLU N   H2   sing N N 15  
GLU CA  C    sing N N 16  
GLU CA  CB   sing N N 17  
GLU CA  HA   sing N N 18  
GLU C   O    doub N N 19  
GLU C   OXT  sing N N 20  
GLU CB  CG   sing N N 21  
GLU CB  HB2  sing N N 22  
GLU CB  HB3  sing N N 23  
GLU CG  CD   sing N N 24  
GLU CG  HG2  sing N N 25  
GLU CG  HG3  sing N N 26  
GLU CD  OE1  doub N N 27  
GLU CD  OE2  sing N N 28  
GLU OE2 HE2  sing N N 29  
GLU OXT HXT  sing N N 30  
GLY N   CA   sing N N 31  
GLY N   H    sing N N 32  
GLY N   H2   sing N N 33  
GLY CA  C    sing N N 34  
GLY CA  HA2  sing N N 35  
GLY CA  HA3  sing N N 36  
GLY C   O    doub N N 37  
GLY C   OXT  sing N N 38  
GLY OXT HXT  sing N N 39  
ILE N   CA   sing N N 40  
ILE N   H    sing N N 41  
ILE N   H2   sing N N 42  
ILE CA  C    sing N N 43  
ILE CA  CB   sing N N 44  
ILE CA  HA   sing N N 45  
ILE C   O    doub N N 46  
ILE C   OXT  sing N N 47  
ILE CB  CG1  sing N N 48  
ILE CB  CG2  sing N N 49  
ILE CB  HB   sing N N 50  
ILE CG1 CD1  sing N N 51  
ILE CG1 HG12 sing N N 52  
ILE CG1 HG13 sing N N 53  
ILE CG2 HG21 sing N N 54  
ILE CG2 HG22 sing N N 55  
ILE CG2 HG23 sing N N 56  
ILE CD1 HD11 sing N N 57  
ILE CD1 HD12 sing N N 58  
ILE CD1 HD13 sing N N 59  
ILE OXT HXT  sing N N 60  
LYS N   CA   sing N N 61  
LYS N   H    sing N N 62  
LYS N   H2   sing N N 63  
LYS CA  C    sing N N 64  
LYS CA  CB   sing N N 65  
LYS CA  HA   sing N N 66  
LYS C   O    doub N N 67  
LYS C   OXT  sing N N 68  
LYS CB  CG   sing N N 69  
LYS CB  HB2  sing N N 70  
LYS CB  HB3  sing N N 71  
LYS CG  CD   sing N N 72  
LYS CG  HG2  sing N N 73  
LYS CG  HG3  sing N N 74  
LYS CD  CE   sing N N 75  
LYS CD  HD2  sing N N 76  
LYS CD  HD3  sing N N 77  
LYS CE  NZ   sing N N 78  
LYS CE  HE2  sing N N 79  
LYS CE  HE3  sing N N 80  
LYS NZ  HZ1  sing N N 81  
LYS NZ  HZ2  sing N N 82  
LYS NZ  HZ3  sing N N 83  
LYS OXT HXT  sing N N 84  
NH2 N   HN1  sing N N 85  
NH2 N   HN2  sing N N 86  
PHE N   CA   sing N N 87  
PHE N   H    sing N N 88  
PHE N   H2   sing N N 89  
PHE CA  C    sing N N 90  
PHE CA  CB   sing N N 91  
PHE CA  HA   sing N N 92  
PHE C   O    doub N N 93  
PHE C   OXT  sing N N 94  
PHE CB  CG   sing N N 95  
PHE CB  HB2  sing N N 96  
PHE CB  HB3  sing N N 97  
PHE CG  CD1  doub Y N 98  
PHE CG  CD2  sing Y N 99  
PHE CD1 CE1  sing Y N 100 
PHE CD1 HD1  sing N N 101 
PHE CD2 CE2  doub Y N 102 
PHE CD2 HD2  sing N N 103 
PHE CE1 CZ   doub Y N 104 
PHE CE1 HE1  sing N N 105 
PHE CE2 CZ   sing Y N 106 
PHE CE2 HE2  sing N N 107 
PHE CZ  HZ   sing N N 108 
PHE OXT HXT  sing N N 109 
PRO N   CA   sing N N 110 
PRO N   CD   sing N N 111 
PRO N   H    sing N N 112 
PRO CA  C    sing N N 113 
PRO CA  CB   sing N N 114 
PRO CA  HA   sing N N 115 
PRO C   O    doub N N 116 
PRO C   OXT  sing N N 117 
PRO CB  CG   sing N N 118 
PRO CB  HB2  sing N N 119 
PRO CB  HB3  sing N N 120 
PRO CG  CD   sing N N 121 
PRO CG  HG2  sing N N 122 
PRO CG  HG3  sing N N 123 
PRO CD  HD2  sing N N 124 
PRO CD  HD3  sing N N 125 
PRO OXT HXT  sing N N 126 
TRP N   CA   sing N N 127 
TRP N   H    sing N N 128 
TRP N   H2   sing N N 129 
TRP CA  C    sing N N 130 
TRP CA  CB   sing N N 131 
TRP CA  HA   sing N N 132 
TRP C   O    doub N N 133 
TRP C   OXT  sing N N 134 
TRP CB  CG   sing N N 135 
TRP CB  HB2  sing N N 136 
TRP CB  HB3  sing N N 137 
TRP CG  CD1  doub Y N 138 
TRP CG  CD2  sing Y N 139 
TRP CD1 NE1  sing Y N 140 
TRP CD1 HD1  sing N N 141 
TRP CD2 CE2  doub Y N 142 
TRP CD2 CE3  sing Y N 143 
TRP NE1 CE2  sing Y N 144 
TRP NE1 HE1  sing N N 145 
TRP CE2 CZ2  sing Y N 146 
TRP CE3 CZ3  doub Y N 147 
TRP CE3 HE3  sing N N 148 
TRP CZ2 CH2  doub Y N 149 
TRP CZ2 HZ2  sing N N 150 
TRP CZ3 CH2  sing Y N 151 
TRP CZ3 HZ3  sing N N 152 
TRP CH2 HH2  sing N N 153 
TRP OXT HXT  sing N N 154 
VAL N   CA   sing N N 155 
VAL N   H    sing N N 156 
VAL N   H2   sing N N 157 
VAL CA  C    sing N N 158 
VAL CA  CB   sing N N 159 
VAL CA  HA   sing N N 160 
VAL C   O    doub N N 161 
VAL C   OXT  sing N N 162 
VAL CB  CG1  sing N N 163 
VAL CB  CG2  sing N N 164 
VAL CB  HB   sing N N 165 
VAL CG1 HG11 sing N N 166 
VAL CG1 HG12 sing N N 167 
VAL CG1 HG13 sing N N 168 
VAL CG2 HG21 sing N N 169 
VAL CG2 HG22 sing N N 170 
VAL CG2 HG23 sing N N 171 
VAL OXT HXT  sing N N 172 
# 
_pdbx_nmr_spectrometer.spectrometer_id   1 
_pdbx_nmr_spectrometer.type              ? 
_pdbx_nmr_spectrometer.manufacturer      Bruker 
_pdbx_nmr_spectrometer.model             AVANCE 
_pdbx_nmr_spectrometer.field_strength    600 
# 
_atom_sites.entry_id                    2IGR 
_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 
# 
loop_