data_1CHN
# 
_entry.id   1CHN 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.385 
_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   1CHN         pdb_00001chn 10.2210/pdb1chn/pdb 
WWPDB D_1000172332 ?            ?                   
# 
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 1994-07-31 
2 'Structure model' 1 1 2008-03-03 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2017-11-29 
5 'Structure model' 1 4 2024-02-07 
# 
_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' Advisory                    
4 4 'Structure model' 'Derived calculations'      
5 4 'Structure model' Other                       
6 5 'Structure model' Advisory                    
7 5 'Structure model' 'Data collection'           
8 5 'Structure model' 'Database references'       
9 5 'Structure model' 'Derived calculations'      
# 
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' pdbx_database_status         
2  4 'Structure model' pdbx_unobs_or_zero_occ_atoms 
3  4 'Structure model' struct_conf                  
4  4 'Structure model' struct_conf_type             
5  5 'Structure model' chem_comp_atom               
6  5 'Structure model' chem_comp_bond               
7  5 'Structure model' database_2                   
8  5 'Structure model' pdbx_struct_conn_angle       
9  5 'Structure model' pdbx_unobs_or_zero_occ_atoms 
10 5 'Structure model' struct_conn                  
11 5 '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' '_pdbx_database_status.process_site'          
2  5 'Structure model' '_database_2.pdbx_DOI'                        
3  5 'Structure model' '_database_2.pdbx_database_accession'         
4  5 'Structure model' '_pdbx_struct_conn_angle.ptnr1_auth_comp_id'  
5  5 'Structure model' '_pdbx_struct_conn_angle.ptnr1_auth_seq_id'   
6  5 'Structure model' '_pdbx_struct_conn_angle.ptnr1_label_asym_id' 
7  5 'Structure model' '_pdbx_struct_conn_angle.ptnr1_label_atom_id' 
8  5 'Structure model' '_pdbx_struct_conn_angle.ptnr1_label_comp_id' 
9  5 'Structure model' '_pdbx_struct_conn_angle.ptnr1_label_seq_id'  
10 5 'Structure model' '_pdbx_struct_conn_angle.ptnr3_auth_comp_id'  
11 5 'Structure model' '_pdbx_struct_conn_angle.ptnr3_auth_seq_id'   
12 5 'Structure model' '_pdbx_struct_conn_angle.ptnr3_label_asym_id' 
13 5 'Structure model' '_pdbx_struct_conn_angle.ptnr3_label_atom_id' 
14 5 'Structure model' '_pdbx_struct_conn_angle.ptnr3_label_comp_id' 
15 5 'Structure model' '_pdbx_struct_conn_angle.ptnr3_label_seq_id'  
16 5 'Structure model' '_pdbx_struct_conn_angle.value'               
17 5 'Structure model' '_struct_conn.pdbx_dist_value'                
18 5 'Structure model' '_struct_conn.ptnr1_auth_comp_id'             
19 5 'Structure model' '_struct_conn.ptnr1_auth_seq_id'              
20 5 'Structure model' '_struct_conn.ptnr1_label_asym_id'            
21 5 'Structure model' '_struct_conn.ptnr1_label_atom_id'            
22 5 'Structure model' '_struct_conn.ptnr1_label_comp_id'            
23 5 'Structure model' '_struct_conn.ptnr1_label_seq_id'             
24 5 'Structure model' '_struct_conn.ptnr2_auth_comp_id'             
25 5 'Structure model' '_struct_conn.ptnr2_auth_seq_id'              
26 5 'Structure model' '_struct_conn.ptnr2_label_asym_id'            
27 5 'Structure model' '_struct_conn.ptnr2_label_atom_id'            
28 5 'Structure model' '_struct_conn.ptnr2_label_comp_id'            
29 5 'Structure model' '_struct_conn.ptnr2_label_seq_id'             
30 5 'Structure model' '_struct_site.pdbx_auth_asym_id'              
31 5 'Structure model' '_struct_site.pdbx_auth_comp_id'              
32 5 'Structure model' '_struct_site.pdbx_auth_seq_id'               
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1CHN 
_pdbx_database_status.recvd_initial_deposition_date   1994-04-20 
_pdbx_database_status.deposit_site                    ? 
_pdbx_database_status.process_site                    BNL 
_pdbx_database_status.SG_entry                        . 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_mr                  ? 
_pdbx_database_status.status_code_sf                  ? 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.methods_development_category    ? 
_pdbx_database_status.status_code_nmr_data            ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Bellsolell, L.' 1 
'Coll, M.'       2 
# 
_citation.id                        primary 
_citation.title                     
;Magnesium binding to the bacterial chemotaxis protein CheY results in large conformational changes involving its functional surface.
;
_citation.journal_abbrev            J.Mol.Biol. 
_citation.journal_volume            238 
_citation.page_first                489 
_citation.page_last                 495 
_citation.year                      1994 
_citation.journal_id_ASTM           JMOBAK 
_citation.country                   UK 
_citation.journal_id_ISSN           0022-2836 
_citation.journal_id_CSD            0070 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   8176739 
_citation.pdbx_database_id_DOI      10.1006/jmbi.1994.1308 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Bellsolell, L.' 1 ? 
primary 'Prieto, J.'     2 ? 
primary 'Serrano, L.'    3 ? 
primary 'Coll, M.'       4 ? 
# 
loop_
_entity.id 
_entity.type 
_entity.src_method 
_entity.pdbx_description 
_entity.formula_weight 
_entity.pdbx_number_of_molecules 
_entity.pdbx_ec 
_entity.pdbx_mutation 
_entity.pdbx_fragment 
_entity.details 
1 polymer     man CHEY            13981.136 1  ? ? ? ? 
2 non-polymer syn 'MAGNESIUM ION' 24.305    1  ? ? ? ? 
3 water       nat water           18.015    71 ? ? ? ? 
# 
_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       
;ADKELKFLVVDDFSTMRRIVRNLLKELGFNNVEEAEDGVDALNKLQAGGYGFVISDWNMPNMDGLELLKTIRADGAMSAL
PVLMVTAEAKKENIIAAAQAGASGYVVKPFTAATLEEKLNKIFEKLGM
;
_entity_poly.pdbx_seq_one_letter_code_can   
;ADKELKFLVVDDFSTMRRIVRNLLKELGFNNVEEAEDGVDALNKLQAGGYGFVISDWNMPNMDGLELLKTIRADGAMSAL
PVLMVTAEAKKENIIAAAQAGASGYVVKPFTAATLEEKLNKIFEKLGM
;
_entity_poly.pdbx_strand_id                 A 
_entity_poly.pdbx_target_identifier         ? 
# 
loop_
_pdbx_entity_nonpoly.entity_id 
_pdbx_entity_nonpoly.name 
_pdbx_entity_nonpoly.comp_id 
2 'MAGNESIUM ION' MG  
3 water           HOH 
# 
loop_
_entity_poly_seq.entity_id 
_entity_poly_seq.num 
_entity_poly_seq.mon_id 
_entity_poly_seq.hetero 
1 1   ALA n 
1 2   ASP n 
1 3   LYS n 
1 4   GLU n 
1 5   LEU n 
1 6   LYS n 
1 7   PHE n 
1 8   LEU n 
1 9   VAL n 
1 10  VAL n 
1 11  ASP n 
1 12  ASP n 
1 13  PHE n 
1 14  SER n 
1 15  THR n 
1 16  MET n 
1 17  ARG n 
1 18  ARG n 
1 19  ILE n 
1 20  VAL n 
1 21  ARG n 
1 22  ASN n 
1 23  LEU n 
1 24  LEU n 
1 25  LYS n 
1 26  GLU n 
1 27  LEU n 
1 28  GLY n 
1 29  PHE n 
1 30  ASN n 
1 31  ASN n 
1 32  VAL n 
1 33  GLU n 
1 34  GLU n 
1 35  ALA n 
1 36  GLU n 
1 37  ASP n 
1 38  GLY n 
1 39  VAL n 
1 40  ASP n 
1 41  ALA n 
1 42  LEU n 
1 43  ASN n 
1 44  LYS n 
1 45  LEU n 
1 46  GLN n 
1 47  ALA n 
1 48  GLY n 
1 49  GLY n 
1 50  TYR n 
1 51  GLY n 
1 52  PHE n 
1 53  VAL n 
1 54  ILE n 
1 55  SER n 
1 56  ASP n 
1 57  TRP n 
1 58  ASN n 
1 59  MET n 
1 60  PRO n 
1 61  ASN n 
1 62  MET n 
1 63  ASP n 
1 64  GLY n 
1 65  LEU n 
1 66  GLU n 
1 67  LEU n 
1 68  LEU n 
1 69  LYS n 
1 70  THR n 
1 71  ILE n 
1 72  ARG n 
1 73  ALA n 
1 74  ASP n 
1 75  GLY n 
1 76  ALA n 
1 77  MET n 
1 78  SER n 
1 79  ALA n 
1 80  LEU n 
1 81  PRO n 
1 82  VAL n 
1 83  LEU n 
1 84  MET n 
1 85  VAL n 
1 86  THR n 
1 87  ALA n 
1 88  GLU n 
1 89  ALA n 
1 90  LYS n 
1 91  LYS n 
1 92  GLU n 
1 93  ASN n 
1 94  ILE n 
1 95  ILE n 
1 96  ALA n 
1 97  ALA n 
1 98  ALA n 
1 99  GLN n 
1 100 ALA n 
1 101 GLY n 
1 102 ALA n 
1 103 SER n 
1 104 GLY n 
1 105 TYR n 
1 106 VAL n 
1 107 VAL n 
1 108 LYS n 
1 109 PRO n 
1 110 PHE n 
1 111 THR n 
1 112 ALA n 
1 113 ALA n 
1 114 THR n 
1 115 LEU n 
1 116 GLU n 
1 117 GLU n 
1 118 LYS n 
1 119 LEU n 
1 120 ASN n 
1 121 LYS n 
1 122 ILE n 
1 123 PHE n 
1 124 GLU n 
1 125 LYS n 
1 126 LEU n 
1 127 GLY n 
1 128 MET n 
# 
_entity_src_gen.entity_id                          1 
_entity_src_gen.pdbx_src_id                        1 
_entity_src_gen.pdbx_alt_source_flag               sample 
_entity_src_gen.pdbx_seq_type                      ? 
_entity_src_gen.pdbx_beg_seq_num                   ? 
_entity_src_gen.pdbx_end_seq_num                   ? 
_entity_src_gen.gene_src_common_name               ? 
_entity_src_gen.gene_src_genus                     Escherichia 
_entity_src_gen.pdbx_gene_src_gene                 ? 
_entity_src_gen.gene_src_species                   ? 
_entity_src_gen.gene_src_strain                    ? 
_entity_src_gen.gene_src_tissue                    ? 
_entity_src_gen.gene_src_tissue_fraction           ? 
_entity_src_gen.gene_src_details                   ? 
_entity_src_gen.pdbx_gene_src_fragment             ? 
_entity_src_gen.pdbx_gene_src_scientific_name      'Escherichia coli' 
_entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id     562 
_entity_src_gen.pdbx_gene_src_variant              ? 
_entity_src_gen.pdbx_gene_src_cell_line            ? 
_entity_src_gen.pdbx_gene_src_atcc                 ? 
_entity_src_gen.pdbx_gene_src_organ                ? 
_entity_src_gen.pdbx_gene_src_organelle            ? 
_entity_src_gen.pdbx_gene_src_cell                 ? 
_entity_src_gen.pdbx_gene_src_cellular_location    ? 
_entity_src_gen.host_org_common_name               ? 
_entity_src_gen.pdbx_host_org_scientific_name      ? 
_entity_src_gen.pdbx_host_org_ncbi_taxonomy_id     ? 
_entity_src_gen.host_org_genus                     ? 
_entity_src_gen.pdbx_host_org_gene                 ? 
_entity_src_gen.pdbx_host_org_organ                ? 
_entity_src_gen.host_org_species                   ? 
_entity_src_gen.pdbx_host_org_tissue               ? 
_entity_src_gen.pdbx_host_org_tissue_fraction      ? 
_entity_src_gen.pdbx_host_org_strain               ? 
_entity_src_gen.pdbx_host_org_variant              ? 
_entity_src_gen.pdbx_host_org_cell_line            ? 
_entity_src_gen.pdbx_host_org_atcc                 ? 
_entity_src_gen.pdbx_host_org_culture_collection   ? 
_entity_src_gen.pdbx_host_org_cell                 ? 
_entity_src_gen.pdbx_host_org_organelle            ? 
_entity_src_gen.pdbx_host_org_cellular_location    ? 
_entity_src_gen.pdbx_host_org_vector_type          BACTERIAL 
_entity_src_gen.pdbx_host_org_vector               ? 
_entity_src_gen.host_org_details                   ? 
_entity_src_gen.expression_system_id               ? 
_entity_src_gen.plasmid_name                       CHEY 
_entity_src_gen.plasmid_details                    ? 
_entity_src_gen.pdbx_description                   ? 
# 
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  
ARG 'L-peptide linking' y ARGININE        ? 'C6 H15 N4 O2 1' 175.209 
ASN 'L-peptide linking' y ASPARAGINE      ? 'C4 H8 N2 O3'    132.118 
ASP 'L-peptide linking' y 'ASPARTIC ACID' ? 'C4 H7 N O4'     133.103 
GLN 'L-peptide linking' y GLUTAMINE       ? 'C5 H10 N2 O3'   146.144 
GLU 'L-peptide linking' y 'GLUTAMIC ACID' ? 'C5 H9 N O4'     147.129 
GLY 'peptide linking'   y GLYCINE         ? 'C2 H5 N O2'     75.067  
HOH non-polymer         . WATER           ? 'H2 O'           18.015  
ILE 'L-peptide linking' y ISOLEUCINE      ? 'C6 H13 N O2'    131.173 
LEU 'L-peptide linking' y LEUCINE         ? 'C6 H13 N O2'    131.173 
LYS 'L-peptide linking' y LYSINE          ? 'C6 H15 N2 O2 1' 147.195 
MET 'L-peptide linking' y METHIONINE      ? 'C5 H11 N O2 S'  149.211 
MG  non-polymer         . 'MAGNESIUM ION' ? 'Mg 2'           24.305  
PHE 'L-peptide linking' y PHENYLALANINE   ? 'C9 H11 N O2'    165.189 
PRO 'L-peptide linking' y PROLINE         ? 'C5 H9 N O2'     115.130 
SER 'L-peptide linking' y SERINE          ? 'C3 H7 N O3'     105.093 
THR 'L-peptide linking' y THREONINE       ? 'C4 H9 N O3'     119.119 
TRP 'L-peptide linking' y TRYPTOPHAN      ? 'C11 H12 N2 O2'  204.225 
TYR 'L-peptide linking' y TYROSINE        ? 'C9 H11 N O3'    181.189 
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   ALA 1   2   ?   ?   ?   A . n 
A 1 2   ASP 2   3   ?   ?   ?   A . n 
A 1 3   LYS 3   4   4   LYS LYS A . n 
A 1 4   GLU 4   5   5   GLU GLU A . n 
A 1 5   LEU 5   6   6   LEU LEU A . n 
A 1 6   LYS 6   7   7   LYS LYS A . n 
A 1 7   PHE 7   8   8   PHE PHE A . n 
A 1 8   LEU 8   9   9   LEU LEU A . n 
A 1 9   VAL 9   10  10  VAL VAL A . n 
A 1 10  VAL 10  11  11  VAL VAL A . n 
A 1 11  ASP 11  12  12  ASP ASP A . n 
A 1 12  ASP 12  13  13  ASP ASP A . n 
A 1 13  PHE 13  14  14  PHE PHE A . n 
A 1 14  SER 14  15  15  SER SER A . n 
A 1 15  THR 15  16  16  THR THR A . n 
A 1 16  MET 16  17  17  MET MET A . n 
A 1 17  ARG 17  18  18  ARG ARG A . n 
A 1 18  ARG 18  19  19  ARG ARG A . n 
A 1 19  ILE 19  20  20  ILE ILE A . n 
A 1 20  VAL 20  21  21  VAL VAL A . n 
A 1 21  ARG 21  22  22  ARG ARG A . n 
A 1 22  ASN 22  23  23  ASN ASN A . n 
A 1 23  LEU 23  24  24  LEU LEU A . n 
A 1 24  LEU 24  25  25  LEU LEU A . n 
A 1 25  LYS 25  26  26  LYS LYS A . n 
A 1 26  GLU 26  27  27  GLU GLU A . n 
A 1 27  LEU 27  28  28  LEU LEU A . n 
A 1 28  GLY 28  29  29  GLY GLY A . n 
A 1 29  PHE 29  30  30  PHE PHE A . n 
A 1 30  ASN 30  31  31  ASN ASN A . n 
A 1 31  ASN 31  32  32  ASN ASN A . n 
A 1 32  VAL 32  33  33  VAL VAL A . n 
A 1 33  GLU 33  34  34  GLU GLU A . n 
A 1 34  GLU 34  35  35  GLU GLU A . n 
A 1 35  ALA 35  36  36  ALA ALA A . n 
A 1 36  GLU 36  37  37  GLU GLU A . n 
A 1 37  ASP 37  38  38  ASP ASP A . n 
A 1 38  GLY 38  39  39  GLY GLY A . n 
A 1 39  VAL 39  40  40  VAL VAL A . n 
A 1 40  ASP 40  41  41  ASP ASP A . n 
A 1 41  ALA 41  42  42  ALA ALA A . n 
A 1 42  LEU 42  43  43  LEU LEU A . n 
A 1 43  ASN 43  44  44  ASN ASN A . n 
A 1 44  LYS 44  45  45  LYS LYS A . n 
A 1 45  LEU 45  46  46  LEU LEU A . n 
A 1 46  GLN 46  47  47  GLN GLN A . n 
A 1 47  ALA 47  48  48  ALA ALA A . n 
A 1 48  GLY 48  49  49  GLY GLY A . n 
A 1 49  GLY 49  50  50  GLY GLY A . n 
A 1 50  TYR 50  51  51  TYR TYR A . n 
A 1 51  GLY 51  52  52  GLY GLY A . n 
A 1 52  PHE 52  53  53  PHE PHE A . n 
A 1 53  VAL 53  54  54  VAL VAL A . n 
A 1 54  ILE 54  55  55  ILE ILE A . n 
A 1 55  SER 55  56  56  SER SER A . n 
A 1 56  ASP 56  57  57  ASP ASP A . n 
A 1 57  TRP 57  58  58  TRP TRP A . n 
A 1 58  ASN 58  59  59  ASN ASN A . n 
A 1 59  MET 59  60  60  MET MET A . n 
A 1 60  PRO 60  61  61  PRO PRO A . n 
A 1 61  ASN 61  62  62  ASN ASN A . n 
A 1 62  MET 62  63  63  MET MET A . n 
A 1 63  ASP 63  64  64  ASP ASP A . n 
A 1 64  GLY 64  65  65  GLY GLY A . n 
A 1 65  LEU 65  66  66  LEU LEU A . n 
A 1 66  GLU 66  67  67  GLU GLU A . n 
A 1 67  LEU 67  68  68  LEU LEU A . n 
A 1 68  LEU 68  69  69  LEU LEU A . n 
A 1 69  LYS 69  70  70  LYS LYS A . n 
A 1 70  THR 70  71  71  THR THR A . n 
A 1 71  ILE 71  72  72  ILE ILE A . n 
A 1 72  ARG 72  73  73  ARG ARG A . n 
A 1 73  ALA 73  74  74  ALA ALA A . n 
A 1 74  ASP 74  75  75  ASP ASP A . n 
A 1 75  GLY 75  76  76  GLY GLY A . n 
A 1 76  ALA 76  77  77  ALA ALA A . n 
A 1 77  MET 77  78  78  MET MET A . n 
A 1 78  SER 78  79  79  SER SER A . n 
A 1 79  ALA 79  80  80  ALA ALA A . n 
A 1 80  LEU 80  81  81  LEU LEU A . n 
A 1 81  PRO 81  82  82  PRO PRO A . n 
A 1 82  VAL 82  83  83  VAL VAL A . n 
A 1 83  LEU 83  84  84  LEU LEU A . n 
A 1 84  MET 84  85  85  MET MET A . n 
A 1 85  VAL 85  86  86  VAL VAL A . n 
A 1 86  THR 86  87  87  THR THR A . n 
A 1 87  ALA 87  88  88  ALA ALA A . n 
A 1 88  GLU 88  89  89  GLU GLU A . n 
A 1 89  ALA 89  90  90  ALA ALA A . n 
A 1 90  LYS 90  91  91  LYS LYS A . n 
A 1 91  LYS 91  92  92  LYS LYS A . n 
A 1 92  GLU 92  93  93  GLU GLU A . n 
A 1 93  ASN 93  94  94  ASN ASN A . n 
A 1 94  ILE 94  95  95  ILE ILE A . n 
A 1 95  ILE 95  96  96  ILE ILE A . n 
A 1 96  ALA 96  97  97  ALA ALA A . n 
A 1 97  ALA 97  98  98  ALA ALA A . n 
A 1 98  ALA 98  99  99  ALA ALA A . n 
A 1 99  GLN 99  100 100 GLN GLN A . n 
A 1 100 ALA 100 101 101 ALA ALA A . n 
A 1 101 GLY 101 102 102 GLY GLY A . n 
A 1 102 ALA 102 103 103 ALA ALA A . n 
A 1 103 SER 103 104 104 SER SER A . n 
A 1 104 GLY 104 105 105 GLY GLY A . n 
A 1 105 TYR 105 106 106 TYR TYR A . n 
A 1 106 VAL 106 107 107 VAL VAL A . n 
A 1 107 VAL 107 108 108 VAL VAL A . n 
A 1 108 LYS 108 109 109 LYS LYS A . n 
A 1 109 PRO 109 110 110 PRO PRO A . n 
A 1 110 PHE 110 111 111 PHE PHE A . n 
A 1 111 THR 111 112 112 THR THR A . n 
A 1 112 ALA 112 113 113 ALA ALA A . n 
A 1 113 ALA 113 114 114 ALA ALA A . n 
A 1 114 THR 114 115 115 THR THR A . n 
A 1 115 LEU 115 116 116 LEU LEU A . n 
A 1 116 GLU 116 117 117 GLU GLU A . n 
A 1 117 GLU 117 118 118 GLU GLU A . n 
A 1 118 LYS 118 119 119 LYS LYS A . n 
A 1 119 LEU 119 120 120 LEU LEU A . n 
A 1 120 ASN 120 121 121 ASN ASN A . n 
A 1 121 LYS 121 122 122 LYS LYS A . n 
A 1 122 ILE 122 123 123 ILE ILE A . n 
A 1 123 PHE 123 124 124 PHE PHE A . n 
A 1 124 GLU 124 125 125 GLU GLU A . n 
A 1 125 LYS 125 126 126 LYS LYS A . n 
A 1 126 LEU 126 127 127 LEU LEU A . n 
A 1 127 GLY 127 128 128 GLY GLY A . n 
A 1 128 MET 128 129 129 MET MET A . n 
# 
loop_
_pdbx_nonpoly_scheme.asym_id 
_pdbx_nonpoly_scheme.entity_id 
_pdbx_nonpoly_scheme.mon_id 
_pdbx_nonpoly_scheme.ndb_seq_num 
_pdbx_nonpoly_scheme.pdb_seq_num 
_pdbx_nonpoly_scheme.auth_seq_num 
_pdbx_nonpoly_scheme.pdb_mon_id 
_pdbx_nonpoly_scheme.auth_mon_id 
_pdbx_nonpoly_scheme.pdb_strand_id 
_pdbx_nonpoly_scheme.pdb_ins_code 
B 2 MG  1  200 200 MG  MG  A . 
C 3 HOH 1  201 201 HOH HOH A . 
C 3 HOH 2  202 202 HOH HOH A . 
C 3 HOH 3  203 203 HOH HOH A . 
C 3 HOH 4  204 204 HOH HOH A . 
C 3 HOH 5  205 205 HOH HOH A . 
C 3 HOH 6  206 206 HOH HOH A . 
C 3 HOH 7  207 207 HOH HOH A . 
C 3 HOH 8  208 208 HOH HOH A . 
C 3 HOH 9  209 209 HOH HOH A . 
C 3 HOH 10 210 210 HOH HOH A . 
C 3 HOH 11 211 211 HOH HOH A . 
C 3 HOH 12 212 212 HOH HOH A . 
C 3 HOH 13 213 213 HOH HOH A . 
C 3 HOH 14 214 214 HOH HOH A . 
C 3 HOH 15 215 215 HOH HOH A . 
C 3 HOH 16 216 216 HOH HOH A . 
C 3 HOH 17 217 217 HOH HOH A . 
C 3 HOH 18 218 218 HOH HOH A . 
C 3 HOH 19 219 219 HOH HOH A . 
C 3 HOH 20 220 220 HOH HOH A . 
C 3 HOH 21 221 221 HOH HOH A . 
C 3 HOH 22 222 222 HOH HOH A . 
C 3 HOH 23 223 223 HOH HOH A . 
C 3 HOH 24 224 224 HOH HOH A . 
C 3 HOH 25 225 225 HOH HOH A . 
C 3 HOH 26 226 226 HOH HOH A . 
C 3 HOH 27 227 227 HOH HOH A . 
C 3 HOH 28 228 228 HOH HOH A . 
C 3 HOH 29 229 229 HOH HOH A . 
C 3 HOH 30 230 230 HOH HOH A . 
C 3 HOH 31 231 231 HOH HOH A . 
C 3 HOH 32 232 232 HOH HOH A . 
C 3 HOH 33 233 233 HOH HOH A . 
C 3 HOH 34 234 234 HOH HOH A . 
C 3 HOH 35 235 235 HOH HOH A . 
C 3 HOH 36 236 236 HOH HOH A . 
C 3 HOH 37 237 237 HOH HOH A . 
C 3 HOH 38 238 238 HOH HOH A . 
C 3 HOH 39 239 239 HOH HOH A . 
C 3 HOH 40 240 240 HOH HOH A . 
C 3 HOH 41 241 241 HOH HOH A . 
C 3 HOH 42 242 242 HOH HOH A . 
C 3 HOH 43 243 243 HOH HOH A . 
C 3 HOH 44 244 244 HOH HOH A . 
C 3 HOH 45 245 245 HOH HOH A . 
C 3 HOH 46 246 246 HOH HOH A . 
C 3 HOH 47 247 247 HOH HOH A . 
C 3 HOH 48 248 248 HOH HOH A . 
C 3 HOH 49 249 249 HOH HOH A . 
C 3 HOH 50 250 250 HOH HOH A . 
C 3 HOH 51 251 251 HOH HOH A . 
C 3 HOH 52 252 252 HOH HOH A . 
C 3 HOH 53 253 253 HOH HOH A . 
C 3 HOH 54 254 254 HOH HOH A . 
C 3 HOH 55 255 255 HOH HOH A . 
C 3 HOH 56 256 256 HOH HOH A . 
C 3 HOH 57 257 257 HOH HOH A . 
C 3 HOH 58 258 258 HOH HOH A . 
C 3 HOH 59 259 259 HOH HOH A . 
C 3 HOH 60 260 260 HOH HOH A . 
C 3 HOH 61 261 261 HOH HOH A . 
C 3 HOH 62 262 262 HOH HOH A . 
C 3 HOH 63 263 263 HOH HOH A . 
C 3 HOH 64 264 264 HOH HOH A . 
C 3 HOH 65 265 265 HOH HOH A . 
C 3 HOH 66 266 266 HOH HOH A . 
C 3 HOH 67 267 267 HOH HOH A . 
C 3 HOH 68 268 268 HOH HOH A . 
C 3 HOH 69 300 300 HOH HOH A . 
C 3 HOH 70 301 301 HOH HOH A . 
C 3 HOH 71 302 302 HOH HOH A . 
# 
loop_
_pdbx_unobs_or_zero_occ_atoms.id 
_pdbx_unobs_or_zero_occ_atoms.PDB_model_num 
_pdbx_unobs_or_zero_occ_atoms.polymer_flag 
_pdbx_unobs_or_zero_occ_atoms.occupancy_flag 
_pdbx_unobs_or_zero_occ_atoms.auth_asym_id 
_pdbx_unobs_or_zero_occ_atoms.auth_comp_id 
_pdbx_unobs_or_zero_occ_atoms.auth_seq_id 
_pdbx_unobs_or_zero_occ_atoms.PDB_ins_code 
_pdbx_unobs_or_zero_occ_atoms.auth_atom_id 
_pdbx_unobs_or_zero_occ_atoms.label_alt_id 
_pdbx_unobs_or_zero_occ_atoms.label_asym_id 
_pdbx_unobs_or_zero_occ_atoms.label_comp_id 
_pdbx_unobs_or_zero_occ_atoms.label_seq_id 
_pdbx_unobs_or_zero_occ_atoms.label_atom_id 
1  1 Y 0 A GLU 5   ? CD  ? A GLU 4   CD  
2  1 Y 0 A GLU 5   ? OE1 ? A GLU 4   OE1 
3  1 Y 0 A GLU 5   ? OE2 ? A GLU 4   OE2 
4  1 Y 0 A ARG 19  ? NH1 ? A ARG 18  NH1 
5  1 Y 0 A ARG 19  ? NH2 ? A ARG 18  NH2 
6  1 Y 0 A LYS 26  ? CE  ? A LYS 25  CE  
7  1 Y 0 A LYS 26  ? NZ  ? A LYS 25  NZ  
8  1 Y 0 A GLU 27  ? OE1 ? A GLU 26  OE1 
9  1 Y 0 A GLU 27  ? OE2 ? A GLU 26  OE2 
10 1 Y 0 A ASN 31  ? OD1 ? A ASN 30  OD1 
11 1 Y 0 A ASN 31  ? ND2 ? A ASN 30  ND2 
12 1 Y 0 A GLU 37  ? OE1 ? A GLU 36  OE1 
13 1 Y 0 A GLU 37  ? OE2 ? A GLU 36  OE2 
14 1 Y 0 A GLN 47  ? CG  ? A GLN 46  CG  
15 1 Y 0 A GLN 47  ? CD  ? A GLN 46  CD  
16 1 Y 0 A GLN 47  ? OE1 ? A GLN 46  OE1 
17 1 Y 0 A GLN 47  ? NE2 ? A GLN 46  NE2 
18 1 Y 0 A GLU 67  ? CG  ? A GLU 66  CG  
19 1 Y 0 A GLU 67  ? CD  ? A GLU 66  CD  
20 1 Y 0 A GLU 67  ? OE1 ? A GLU 66  OE1 
21 1 Y 0 A GLU 67  ? OE2 ? A GLU 66  OE2 
22 1 Y 0 A LYS 70  ? NZ  ? A LYS 69  NZ  
23 1 Y 0 A MET 78  ? CE  ? A MET 77  CE  
24 1 Y 0 A GLU 89  ? CG  ? A GLU 88  CG  
25 1 Y 0 A GLU 89  ? CD  ? A GLU 88  CD  
26 1 Y 0 A GLU 89  ? OE1 ? A GLU 88  OE1 
27 1 Y 0 A GLU 89  ? OE2 ? A GLU 88  OE2 
28 1 Y 0 A LYS 91  ? CE  ? A LYS 90  CE  
29 1 Y 0 A LYS 91  ? NZ  ? A LYS 90  NZ  
30 1 Y 0 A GLN 100 ? CD  ? A GLN 99  CD  
31 1 Y 0 A GLN 100 ? OE1 ? A GLN 99  OE1 
32 1 Y 0 A GLN 100 ? NE2 ? A GLN 99  NE2 
33 1 Y 0 A LYS 122 ? CD  ? A LYS 121 CD  
34 1 Y 0 A LYS 122 ? CE  ? A LYS 121 CE  
35 1 Y 0 A LYS 122 ? NZ  ? A LYS 121 NZ  
36 1 Y 0 A LYS 126 ? NZ  ? A LYS 125 NZ  
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
X-PLOR 'model building' . ? 1 
X-PLOR refinement       . ? 2 
X-PLOR phasing          . ? 3 
# 
_cell.entry_id           1CHN 
_cell.length_a           29.900 
_cell.length_b           44.400 
_cell.length_c           46.900 
_cell.angle_alpha        90.00 
_cell.angle_beta         102.90 
_cell.angle_gamma        90.00 
_cell.Z_PDB              2 
_cell.pdbx_unique_axis   ? 
# 
_symmetry.entry_id                         1CHN 
_symmetry.space_group_name_H-M             'P 1 21 1' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     ? 
_symmetry.Int_Tables_number                4 
# 
_exptl.entry_id          1CHN 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   ? 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      2.17 
_exptl_crystal.density_percent_sol   43.32 
_exptl_crystal.description           ? 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           ? 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_radiation.diffrn_id                        1 
_diffrn_radiation.wavelength_id                    1 
_diffrn_radiation.pdbx_monochromatic_or_laue_m_l   ? 
_diffrn_radiation.monochromator                    ? 
_diffrn_radiation.pdbx_diffrn_protocol             ? 
_diffrn_radiation.pdbx_scattering_type             x-ray 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   . 
_diffrn_radiation_wavelength.wt           1.0 
# 
_refine.entry_id                                 1CHN 
_refine.ls_number_reflns_obs                     11528 
_refine.ls_number_reflns_all                     ? 
_refine.pdbx_ls_sigma_I                          ? 
_refine.pdbx_ls_sigma_F                          2.0 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_refine.ls_d_res_low                             10.0 
_refine.ls_d_res_high                            1.76 
_refine.ls_percent_reflns_obs                    ? 
_refine.ls_R_factor_obs                          0.1910000 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_R_work                       0.1910000 
_refine.ls_R_factor_R_free                       ? 
_refine.ls_R_factor_R_free_error                 ? 
_refine.ls_R_factor_R_free_error_details         ? 
_refine.ls_percent_reflns_R_free                 ? 
_refine.ls_number_reflns_R_free                  ? 
_refine.ls_number_parameters                     ? 
_refine.ls_number_restraints                     ? 
_refine.occupancy_min                            ? 
_refine.occupancy_max                            ? 
_refine.B_iso_mean                               ? 
_refine.aniso_B[1][1]                            ? 
_refine.aniso_B[2][2]                            ? 
_refine.aniso_B[3][3]                            ? 
_refine.aniso_B[1][2]                            ? 
_refine.aniso_B[1][3]                            ? 
_refine.aniso_B[2][3]                            ? 
_refine.solvent_model_details                    ? 
_refine.solvent_model_param_ksol                 ? 
_refine.solvent_model_param_bsol                 ? 
_refine.pdbx_ls_cross_valid_method               ? 
_refine.details                                  
;ATOM NAMES FOR OXYGEN ATOMS OD1 AND OD2 FROM ACTIVE SITE
RESIDUES ASP 12 AND ASP 13 HAVE BEEN INTERCHANGED WITH
RESPECT TO THE NUMBERING USED IN THE PAPER CITED ON *JRNL*
RECORDS ABOVE.
;
_refine.pdbx_starting_model                      ? 
_refine.pdbx_method_to_determine_struct          ? 
_refine.pdbx_isotropic_thermal_model             ? 
_refine.pdbx_stereochemistry_target_values       ? 
_refine.pdbx_stereochem_target_val_spec_case     ? 
_refine.pdbx_R_Free_selection_details            ? 
_refine.pdbx_overall_ESU_R                       ? 
_refine.pdbx_overall_ESU_R_Free                  ? 
_refine.overall_SU_ML                            ? 
_refine.overall_SU_B                             ? 
_refine.pdbx_refine_id                           'X-RAY DIFFRACTION' 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_TLS_residual_ADP_flag               ? 
_refine.correlation_coeff_Fo_to_Fc               ? 
_refine.correlation_coeff_Fo_to_Fc_free          ? 
_refine.pdbx_solvent_vdw_probe_radii             ? 
_refine.pdbx_solvent_ion_probe_radii             ? 
_refine.pdbx_solvent_shrinkage_radii             ? 
_refine.pdbx_overall_phase_error                 ? 
_refine.overall_SU_R_Cruickshank_DPI             ? 
_refine.pdbx_overall_SU_R_free_Cruickshank_DPI   ? 
_refine.pdbx_overall_SU_R_Blow_DPI               ? 
_refine.pdbx_overall_SU_R_free_Blow_DPI          ? 
# 
_refine_hist.pdbx_refine_id                   'X-RAY DIFFRACTION' 
_refine_hist.cycle_id                         LAST 
_refine_hist.pdbx_number_atoms_protein        966 
_refine_hist.pdbx_number_atoms_nucleic_acid   0 
_refine_hist.pdbx_number_atoms_ligand         1 
_refine_hist.number_atoms_solvent             71 
_refine_hist.number_atoms_total               1038 
_refine_hist.d_res_high                       1.76 
_refine_hist.d_res_low                        10.0 
# 
loop_
_refine_ls_restr.type 
_refine_ls_restr.dev_ideal 
_refine_ls_restr.dev_ideal_target 
_refine_ls_restr.weight 
_refine_ls_restr.number 
_refine_ls_restr.pdbx_refine_id 
_refine_ls_restr.pdbx_restraint_function 
x_bond_d                0.019 ? ? ? 'X-RAY DIFFRACTION' ? 
x_bond_d_na             ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_bond_d_prot           ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_d               ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_d_na            ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_d_prot          ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_deg             1.72  ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_deg_na          ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_deg_prot        ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_dihedral_angle_d      ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_dihedral_angle_d_na   ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_dihedral_angle_d_prot ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_improper_angle_d      ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_improper_angle_d_na   ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_improper_angle_d_prot ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_mcbond_it             ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_mcangle_it            ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_scbond_it             ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_scangle_it            ?     ? ? ? 'X-RAY DIFFRACTION' ? 
# 
_database_PDB_matrix.entry_id          1CHN 
_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                  1CHN 
_struct.title                     
'MAGNESIUM BINDING TO THE BACTERIAL CHEMOTAXIS PROTEIN CHEY RESULTS IN LARGE CONFORMATIONAL CHANGES INVOLVING ITS FUNCTIONAL SURFACE' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1CHN 
_struct_keywords.pdbx_keywords   'SIGNAL TRANSDUCTION PROTEIN' 
_struct_keywords.text            'SIGNAL TRANSDUCTION PROTEIN' 
# 
loop_
_struct_asym.id 
_struct_asym.pdbx_blank_PDB_chainid_flag 
_struct_asym.pdbx_modified 
_struct_asym.entity_id 
_struct_asym.details 
A N N 1 ? 
B N N 2 ? 
C N N 3 ? 
# 
_struct_ref.id                         1 
_struct_ref.db_name                    UNP 
_struct_ref.db_code                    CHEY_ECOLI 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_db_accession          P06143 
_struct_ref.pdbx_align_begin           1 
_struct_ref.pdbx_seq_one_letter_code   
;ADKELKFLVVDDFSTMRRIVRNLLKELGFNNVEEAEDGVDALNKLQAGGYGFVISDWNMPNMDGLELLKTIRADGAMSAL
PVLMVTAEAKKENIIAAAQAGASGYVVKPFTAATLEEKLNKIFEKLGM
;
_struct_ref.pdbx_db_isoform            ? 
# 
_struct_ref_seq.align_id                      1 
_struct_ref_seq.ref_id                        1 
_struct_ref_seq.pdbx_PDB_id_code              1CHN 
_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                 128 
_struct_ref_seq.pdbx_seq_align_end_ins_code   ? 
_struct_ref_seq.pdbx_db_accession             P06143 
_struct_ref_seq.db_align_beg                  1 
_struct_ref_seq.pdbx_db_align_beg_ins_code    ? 
_struct_ref_seq.db_align_end                  128 
_struct_ref_seq.pdbx_db_align_end_ins_code    ? 
_struct_ref_seq.pdbx_auth_seq_align_beg       2 
_struct_ref_seq.pdbx_auth_seq_align_end       129 
# 
_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,B,C 
# 
_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 A1 PHE A 13  ? GLY A 28  ? PHE A 14  GLY A 29  1 ? 16 
HELX_P HELX_P2 A2 GLY A 38  ? GLY A 48  ? GLY A 39  GLY A 49  1 ? 11 
HELX_P HELX_P3 A3 ASP A 63  ? ASP A 74  ? ASP A 64  ASP A 75  1 ? 12 
HELX_P HELX_P4 A4 ASN A 93  ? GLY A 101 ? ASN A 94  GLY A 102 1 ? 9  
HELX_P HELX_P5 A5 THR A 111 ? GLY A 127 ? THR A 112 GLY A 128 1 ? 17 
# 
_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 
metalc1 metalc ? ? A ASP 12 OD1 ? ? ? 1_555 B MG  . MG ? ? A ASP 13  A MG  200 1_555 ? ? ? ? ? ? ? 1.994 ? ? 
metalc2 metalc ? ? A ASP 56 OD2 ? ? ? 1_555 B MG  . MG ? ? A ASP 57  A MG  200 1_555 ? ? ? ? ? ? ? 2.089 ? ? 
metalc3 metalc ? ? A ASN 58 O   ? ? ? 1_555 B MG  . MG ? ? A ASN 59  A MG  200 1_555 ? ? ? ? ? ? ? 2.088 ? ? 
metalc4 metalc ? ? B MG  .  MG  ? ? ? 1_555 C HOH . O  ? ? A MG  200 A HOH 300 1_555 ? ? ? ? ? ? ? 2.152 ? ? 
metalc5 metalc ? ? B MG  .  MG  ? ? ? 1_555 C HOH . O  ? ? A MG  200 A HOH 301 1_555 ? ? ? ? ? ? ? 1.918 ? ? 
metalc6 metalc ? ? B MG  .  MG  ? ? ? 1_555 C HOH . O  ? ? A MG  200 A HOH 302 1_555 ? ? ? ? ? ? ? 1.951 ? ? 
# 
_struct_conn_type.id          metalc 
_struct_conn_type.criteria    ? 
_struct_conn_type.reference   ? 
# 
loop_
_pdbx_struct_conn_angle.id 
_pdbx_struct_conn_angle.ptnr1_label_atom_id 
_pdbx_struct_conn_angle.ptnr1_label_alt_id 
_pdbx_struct_conn_angle.ptnr1_label_asym_id 
_pdbx_struct_conn_angle.ptnr1_label_comp_id 
_pdbx_struct_conn_angle.ptnr1_label_seq_id 
_pdbx_struct_conn_angle.ptnr1_auth_atom_id 
_pdbx_struct_conn_angle.ptnr1_auth_asym_id 
_pdbx_struct_conn_angle.ptnr1_auth_comp_id 
_pdbx_struct_conn_angle.ptnr1_auth_seq_id 
_pdbx_struct_conn_angle.ptnr1_PDB_ins_code 
_pdbx_struct_conn_angle.ptnr1_symmetry 
_pdbx_struct_conn_angle.ptnr2_label_atom_id 
_pdbx_struct_conn_angle.ptnr2_label_alt_id 
_pdbx_struct_conn_angle.ptnr2_label_asym_id 
_pdbx_struct_conn_angle.ptnr2_label_comp_id 
_pdbx_struct_conn_angle.ptnr2_label_seq_id 
_pdbx_struct_conn_angle.ptnr2_auth_atom_id 
_pdbx_struct_conn_angle.ptnr2_auth_asym_id 
_pdbx_struct_conn_angle.ptnr2_auth_comp_id 
_pdbx_struct_conn_angle.ptnr2_auth_seq_id 
_pdbx_struct_conn_angle.ptnr2_PDB_ins_code 
_pdbx_struct_conn_angle.ptnr2_symmetry 
_pdbx_struct_conn_angle.ptnr3_label_atom_id 
_pdbx_struct_conn_angle.ptnr3_label_alt_id 
_pdbx_struct_conn_angle.ptnr3_label_asym_id 
_pdbx_struct_conn_angle.ptnr3_label_comp_id 
_pdbx_struct_conn_angle.ptnr3_label_seq_id 
_pdbx_struct_conn_angle.ptnr3_auth_atom_id 
_pdbx_struct_conn_angle.ptnr3_auth_asym_id 
_pdbx_struct_conn_angle.ptnr3_auth_comp_id 
_pdbx_struct_conn_angle.ptnr3_auth_seq_id 
_pdbx_struct_conn_angle.ptnr3_PDB_ins_code 
_pdbx_struct_conn_angle.ptnr3_symmetry 
_pdbx_struct_conn_angle.value 
_pdbx_struct_conn_angle.value_esd 
1  OD1 ? A ASP 12 ? A ASP 13  ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 OD2 ? A ASP 56 ? A ASP 57  ? 1_555 87.4  ? 
2  OD1 ? A ASP 12 ? A ASP 13  ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? A ASN 58 ? A ASN 59  ? 1_555 87.9  ? 
3  OD2 ? A ASP 56 ? A ASP 57  ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? A ASN 58 ? A ASN 59  ? 1_555 86.0  ? 
4  OD1 ? A ASP 12 ? A ASP 13  ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? C HOH .  ? A HOH 300 ? 1_555 84.5  ? 
5  OD2 ? A ASP 56 ? A ASP 57  ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? C HOH .  ? A HOH 300 ? 1_555 171.6 ? 
6  O   ? A ASN 58 ? A ASN 59  ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? C HOH .  ? A HOH 300 ? 1_555 91.7  ? 
7  OD1 ? A ASP 12 ? A ASP 13  ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? C HOH .  ? A HOH 301 ? 1_555 86.6  ? 
8  OD2 ? A ASP 56 ? A ASP 57  ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? C HOH .  ? A HOH 301 ? 1_555 90.2  ? 
9  O   ? A ASN 58 ? A ASN 59  ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? C HOH .  ? A HOH 301 ? 1_555 173.5 ? 
10 O   ? C HOH .  ? A HOH 300 ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? C HOH .  ? A HOH 301 ? 1_555 91.3  ? 
11 OD1 ? A ASP 12 ? A ASP 13  ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? C HOH .  ? A HOH 302 ? 1_555 175.4 ? 
12 OD2 ? A ASP 56 ? A ASP 57  ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? C HOH .  ? A HOH 302 ? 1_555 91.1  ? 
13 O   ? A ASN 58 ? A ASN 59  ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? C HOH .  ? A HOH 302 ? 1_555 96.3  ? 
14 O   ? C HOH .  ? A HOH 300 ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? C HOH .  ? A HOH 302 ? 1_555 97.1  ? 
15 O   ? C HOH .  ? A HOH 301 ? 1_555 MG ? B MG . ? A MG 200 ? 1_555 O   ? C HOH .  ? A HOH 302 ? 1_555 89.1  ? 
# 
_struct_mon_prot_cis.pdbx_id                1 
_struct_mon_prot_cis.label_comp_id          LYS 
_struct_mon_prot_cis.label_seq_id           108 
_struct_mon_prot_cis.label_asym_id          A 
_struct_mon_prot_cis.label_alt_id           . 
_struct_mon_prot_cis.pdbx_PDB_ins_code      ? 
_struct_mon_prot_cis.auth_comp_id           LYS 
_struct_mon_prot_cis.auth_seq_id            109 
_struct_mon_prot_cis.auth_asym_id           A 
_struct_mon_prot_cis.pdbx_label_comp_id_2   PRO 
_struct_mon_prot_cis.pdbx_label_seq_id_2    109 
_struct_mon_prot_cis.pdbx_label_asym_id_2   A 
_struct_mon_prot_cis.pdbx_PDB_ins_code_2    ? 
_struct_mon_prot_cis.pdbx_auth_comp_id_2    PRO 
_struct_mon_prot_cis.pdbx_auth_seq_id_2     110 
_struct_mon_prot_cis.pdbx_auth_asym_id_2    A 
_struct_mon_prot_cis.pdbx_PDB_model_num     1 
_struct_mon_prot_cis.pdbx_omega_angle       0.32 
# 
_struct_sheet.id               S1 
_struct_sheet.type             ? 
_struct_sheet.number_strands   5 
_struct_sheet.details          ? 
# 
loop_
_struct_sheet_order.sheet_id 
_struct_sheet_order.range_id_1 
_struct_sheet_order.range_id_2 
_struct_sheet_order.offset 
_struct_sheet_order.sense 
S1 1 2 ? parallel 
S1 2 3 ? parallel 
S1 3 4 ? parallel 
S1 4 5 ? parallel 
# 
loop_
_struct_sheet_range.sheet_id 
_struct_sheet_range.id 
_struct_sheet_range.beg_label_comp_id 
_struct_sheet_range.beg_label_asym_id 
_struct_sheet_range.beg_label_seq_id 
_struct_sheet_range.pdbx_beg_PDB_ins_code 
_struct_sheet_range.end_label_comp_id 
_struct_sheet_range.end_label_asym_id 
_struct_sheet_range.end_label_seq_id 
_struct_sheet_range.pdbx_end_PDB_ins_code 
_struct_sheet_range.beg_auth_comp_id 
_struct_sheet_range.beg_auth_asym_id 
_struct_sheet_range.beg_auth_seq_id 
_struct_sheet_range.end_auth_comp_id 
_struct_sheet_range.end_auth_asym_id 
_struct_sheet_range.end_auth_seq_id 
S1 1 ASN A 31  ? ALA A 35  ? ASN A 32  ALA A 36  
S1 2 LYS A 6   ? ASP A 11  ? LYS A 7   ASP A 12  
S1 3 PHE A 52  ? ASP A 56  ? PHE A 53  ASP A 57  
S1 4 PRO A 81  ? THR A 86  ? PRO A 82  THR A 87  
S1 5 GLY A 104 ? LYS A 108 ? GLY A 105 LYS A 109 
# 
loop_
_pdbx_struct_sheet_hbond.sheet_id 
_pdbx_struct_sheet_hbond.range_id_1 
_pdbx_struct_sheet_hbond.range_id_2 
_pdbx_struct_sheet_hbond.range_1_label_atom_id 
_pdbx_struct_sheet_hbond.range_1_label_comp_id 
_pdbx_struct_sheet_hbond.range_1_label_asym_id 
_pdbx_struct_sheet_hbond.range_1_label_seq_id 
_pdbx_struct_sheet_hbond.range_1_PDB_ins_code 
_pdbx_struct_sheet_hbond.range_1_auth_atom_id 
_pdbx_struct_sheet_hbond.range_1_auth_comp_id 
_pdbx_struct_sheet_hbond.range_1_auth_asym_id 
_pdbx_struct_sheet_hbond.range_1_auth_seq_id 
_pdbx_struct_sheet_hbond.range_2_label_atom_id 
_pdbx_struct_sheet_hbond.range_2_label_comp_id 
_pdbx_struct_sheet_hbond.range_2_label_asym_id 
_pdbx_struct_sheet_hbond.range_2_label_seq_id 
_pdbx_struct_sheet_hbond.range_2_PDB_ins_code 
_pdbx_struct_sheet_hbond.range_2_auth_atom_id 
_pdbx_struct_sheet_hbond.range_2_auth_comp_id 
_pdbx_struct_sheet_hbond.range_2_auth_asym_id 
_pdbx_struct_sheet_hbond.range_2_auth_seq_id 
S1 1 2 O GLU A 33 ? O GLU A 34 N VAL A 9   ? N VAL A 10  
S1 2 3 O LEU A 8  ? O LEU A 9  N ILE A 54  ? N ILE A 55  
S1 3 4 O VAL A 53 ? O VAL A 54 N LEU A 83  ? N LEU A 84  
S1 4 5 O VAL A 82 ? O VAL A 83 N GLY A 104 ? N GLY A 105 
# 
loop_
_struct_site.id 
_struct_site.pdbx_evidence_code 
_struct_site.pdbx_auth_asym_id 
_struct_site.pdbx_auth_comp_id 
_struct_site.pdbx_auth_seq_id 
_struct_site.pdbx_auth_ins_code 
_struct_site.pdbx_num_residues 
_struct_site.details 
MG  Unknown  ? ?  ?   ? 4 ?                                   
AC1 Software A MG 200 ? 6 'BINDING SITE FOR RESIDUE MG A 200' 
# 
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  MG  4 ASP A 12 ? ASP A 13  . ? 1_555 ? 
2  MG  4 ASP A 56 ? ASP A 57  . ? 1_555 ? 
3  MG  4 ASN A 58 ? ASN A 59  . ? 1_555 ? 
4  MG  4 MG  B .  ? MG  A 200 . ? 1_555 ? 
5  AC1 6 ASP A 12 ? ASP A 13  . ? 1_555 ? 
6  AC1 6 ASP A 56 ? ASP A 57  . ? 1_555 ? 
7  AC1 6 ASN A 58 ? ASN A 59  . ? 1_555 ? 
8  AC1 6 HOH C .  ? HOH A 300 . ? 1_555 ? 
9  AC1 6 HOH C .  ? HOH A 301 . ? 1_555 ? 
10 AC1 6 HOH C .  ? HOH A 302 . ? 1_555 ? 
# 
_pdbx_validate_torsion.id              1 
_pdbx_validate_torsion.PDB_model_num   1 
_pdbx_validate_torsion.auth_comp_id    ASN 
_pdbx_validate_torsion.auth_asym_id    A 
_pdbx_validate_torsion.auth_seq_id     62 
_pdbx_validate_torsion.PDB_ins_code    ? 
_pdbx_validate_torsion.label_alt_id    ? 
_pdbx_validate_torsion.phi             71.77 
_pdbx_validate_torsion.psi             -55.98 
# 
_pdbx_entry_details.entry_id                 1CHN 
_pdbx_entry_details.compound_details         ? 
_pdbx_entry_details.source_details           ? 
_pdbx_entry_details.nonpolymer_details       
;THE OCTAHEDRAL COORDINATION SHELL OF THE MG2+ ION INCLUDES
CARBOXYL OXYGEN FROM ASP 13 AND ASP 57, CARBONYL OXYGEN
FROM ASN 59 AND THREE WATER MOLECULES.  THE THREE WATER
MOLECULES COORDINATED TO MG2+ ARE  NUMBERED 300, 301, 302.
;
_pdbx_entry_details.sequence_details         ? 
_pdbx_entry_details.has_ligand_of_interest   ? 
# 
loop_
_pdbx_unobs_or_zero_occ_residues.id 
_pdbx_unobs_or_zero_occ_residues.PDB_model_num 
_pdbx_unobs_or_zero_occ_residues.polymer_flag 
_pdbx_unobs_or_zero_occ_residues.occupancy_flag 
_pdbx_unobs_or_zero_occ_residues.auth_asym_id 
_pdbx_unobs_or_zero_occ_residues.auth_comp_id 
_pdbx_unobs_or_zero_occ_residues.auth_seq_id 
_pdbx_unobs_or_zero_occ_residues.PDB_ins_code 
_pdbx_unobs_or_zero_occ_residues.label_asym_id 
_pdbx_unobs_or_zero_occ_residues.label_comp_id 
_pdbx_unobs_or_zero_occ_residues.label_seq_id 
1 1 Y 1 A ALA 2 ? A ALA 1 
2 1 Y 1 A ASP 3 ? A ASP 2 
# 
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  
ARG N    N  N N 14  
ARG CA   C  N S 15  
ARG C    C  N N 16  
ARG O    O  N N 17  
ARG CB   C  N N 18  
ARG CG   C  N N 19  
ARG CD   C  N N 20  
ARG NE   N  N N 21  
ARG CZ   C  N N 22  
ARG NH1  N  N N 23  
ARG NH2  N  N N 24  
ARG OXT  O  N N 25  
ARG H    H  N N 26  
ARG H2   H  N N 27  
ARG HA   H  N N 28  
ARG HB2  H  N N 29  
ARG HB3  H  N N 30  
ARG HG2  H  N N 31  
ARG HG3  H  N N 32  
ARG HD2  H  N N 33  
ARG HD3  H  N N 34  
ARG HE   H  N N 35  
ARG HH11 H  N N 36  
ARG HH12 H  N N 37  
ARG HH21 H  N N 38  
ARG HH22 H  N N 39  
ARG HXT  H  N N 40  
ASN N    N  N N 41  
ASN CA   C  N S 42  
ASN C    C  N N 43  
ASN O    O  N N 44  
ASN CB   C  N N 45  
ASN CG   C  N N 46  
ASN OD1  O  N N 47  
ASN ND2  N  N N 48  
ASN OXT  O  N N 49  
ASN H    H  N N 50  
ASN H2   H  N N 51  
ASN HA   H  N N 52  
ASN HB2  H  N N 53  
ASN HB3  H  N N 54  
ASN HD21 H  N N 55  
ASN HD22 H  N N 56  
ASN HXT  H  N N 57  
ASP N    N  N N 58  
ASP CA   C  N S 59  
ASP C    C  N N 60  
ASP O    O  N N 61  
ASP CB   C  N N 62  
ASP CG   C  N N 63  
ASP OD1  O  N N 64  
ASP OD2  O  N N 65  
ASP OXT  O  N N 66  
ASP H    H  N N 67  
ASP H2   H  N N 68  
ASP HA   H  N N 69  
ASP HB2  H  N N 70  
ASP HB3  H  N N 71  
ASP HD2  H  N N 72  
ASP HXT  H  N N 73  
GLN N    N  N N 74  
GLN CA   C  N S 75  
GLN C    C  N N 76  
GLN O    O  N N 77  
GLN CB   C  N N 78  
GLN CG   C  N N 79  
GLN CD   C  N N 80  
GLN OE1  O  N N 81  
GLN NE2  N  N N 82  
GLN OXT  O  N N 83  
GLN H    H  N N 84  
GLN H2   H  N N 85  
GLN HA   H  N N 86  
GLN HB2  H  N N 87  
GLN HB3  H  N N 88  
GLN HG2  H  N N 89  
GLN HG3  H  N N 90  
GLN HE21 H  N N 91  
GLN HE22 H  N N 92  
GLN HXT  H  N N 93  
GLU N    N  N N 94  
GLU CA   C  N S 95  
GLU C    C  N N 96  
GLU O    O  N N 97  
GLU CB   C  N N 98  
GLU CG   C  N N 99  
GLU CD   C  N N 100 
GLU OE1  O  N N 101 
GLU OE2  O  N N 102 
GLU OXT  O  N N 103 
GLU H    H  N N 104 
GLU H2   H  N N 105 
GLU HA   H  N N 106 
GLU HB2  H  N N 107 
GLU HB3  H  N N 108 
GLU HG2  H  N N 109 
GLU HG3  H  N N 110 
GLU HE2  H  N N 111 
GLU HXT  H  N N 112 
GLY N    N  N N 113 
GLY CA   C  N N 114 
GLY C    C  N N 115 
GLY O    O  N N 116 
GLY OXT  O  N N 117 
GLY H    H  N N 118 
GLY H2   H  N N 119 
GLY HA2  H  N N 120 
GLY HA3  H  N N 121 
GLY HXT  H  N N 122 
HOH O    O  N N 123 
HOH H1   H  N N 124 
HOH H2   H  N N 125 
ILE N    N  N N 126 
ILE CA   C  N S 127 
ILE C    C  N N 128 
ILE O    O  N N 129 
ILE CB   C  N S 130 
ILE CG1  C  N N 131 
ILE CG2  C  N N 132 
ILE CD1  C  N N 133 
ILE OXT  O  N N 134 
ILE H    H  N N 135 
ILE H2   H  N N 136 
ILE HA   H  N N 137 
ILE HB   H  N N 138 
ILE HG12 H  N N 139 
ILE HG13 H  N N 140 
ILE HG21 H  N N 141 
ILE HG22 H  N N 142 
ILE HG23 H  N N 143 
ILE HD11 H  N N 144 
ILE HD12 H  N N 145 
ILE HD13 H  N N 146 
ILE HXT  H  N N 147 
LEU N    N  N N 148 
LEU CA   C  N S 149 
LEU C    C  N N 150 
LEU O    O  N N 151 
LEU CB   C  N N 152 
LEU CG   C  N N 153 
LEU CD1  C  N N 154 
LEU CD2  C  N N 155 
LEU OXT  O  N N 156 
LEU H    H  N N 157 
LEU H2   H  N N 158 
LEU HA   H  N N 159 
LEU HB2  H  N N 160 
LEU HB3  H  N N 161 
LEU HG   H  N N 162 
LEU HD11 H  N N 163 
LEU HD12 H  N N 164 
LEU HD13 H  N N 165 
LEU HD21 H  N N 166 
LEU HD22 H  N N 167 
LEU HD23 H  N N 168 
LEU HXT  H  N N 169 
LYS N    N  N N 170 
LYS CA   C  N S 171 
LYS C    C  N N 172 
LYS O    O  N N 173 
LYS CB   C  N N 174 
LYS CG   C  N N 175 
LYS CD   C  N N 176 
LYS CE   C  N N 177 
LYS NZ   N  N N 178 
LYS OXT  O  N N 179 
LYS H    H  N N 180 
LYS H2   H  N N 181 
LYS HA   H  N N 182 
LYS HB2  H  N N 183 
LYS HB3  H  N N 184 
LYS HG2  H  N N 185 
LYS HG3  H  N N 186 
LYS HD2  H  N N 187 
LYS HD3  H  N N 188 
LYS HE2  H  N N 189 
LYS HE3  H  N N 190 
LYS HZ1  H  N N 191 
LYS HZ2  H  N N 192 
LYS HZ3  H  N N 193 
LYS HXT  H  N N 194 
MET N    N  N N 195 
MET CA   C  N S 196 
MET C    C  N N 197 
MET O    O  N N 198 
MET CB   C  N N 199 
MET CG   C  N N 200 
MET SD   S  N N 201 
MET CE   C  N N 202 
MET OXT  O  N N 203 
MET H    H  N N 204 
MET H2   H  N N 205 
MET HA   H  N N 206 
MET HB2  H  N N 207 
MET HB3  H  N N 208 
MET HG2  H  N N 209 
MET HG3  H  N N 210 
MET HE1  H  N N 211 
MET HE2  H  N N 212 
MET HE3  H  N N 213 
MET HXT  H  N N 214 
MG  MG   MG N N 215 
PHE N    N  N N 216 
PHE CA   C  N S 217 
PHE C    C  N N 218 
PHE O    O  N N 219 
PHE CB   C  N N 220 
PHE CG   C  Y N 221 
PHE CD1  C  Y N 222 
PHE CD2  C  Y N 223 
PHE CE1  C  Y N 224 
PHE CE2  C  Y N 225 
PHE CZ   C  Y N 226 
PHE OXT  O  N N 227 
PHE H    H  N N 228 
PHE H2   H  N N 229 
PHE HA   H  N N 230 
PHE HB2  H  N N 231 
PHE HB3  H  N N 232 
PHE HD1  H  N N 233 
PHE HD2  H  N N 234 
PHE HE1  H  N N 235 
PHE HE2  H  N N 236 
PHE HZ   H  N N 237 
PHE HXT  H  N N 238 
PRO N    N  N N 239 
PRO CA   C  N S 240 
PRO C    C  N N 241 
PRO O    O  N N 242 
PRO CB   C  N N 243 
PRO CG   C  N N 244 
PRO CD   C  N N 245 
PRO OXT  O  N N 246 
PRO H    H  N N 247 
PRO HA   H  N N 248 
PRO HB2  H  N N 249 
PRO HB3  H  N N 250 
PRO HG2  H  N N 251 
PRO HG3  H  N N 252 
PRO HD2  H  N N 253 
PRO HD3  H  N N 254 
PRO HXT  H  N N 255 
SER N    N  N N 256 
SER CA   C  N S 257 
SER C    C  N N 258 
SER O    O  N N 259 
SER CB   C  N N 260 
SER OG   O  N N 261 
SER OXT  O  N N 262 
SER H    H  N N 263 
SER H2   H  N N 264 
SER HA   H  N N 265 
SER HB2  H  N N 266 
SER HB3  H  N N 267 
SER HG   H  N N 268 
SER HXT  H  N N 269 
THR N    N  N N 270 
THR CA   C  N S 271 
THR C    C  N N 272 
THR O    O  N N 273 
THR CB   C  N R 274 
THR OG1  O  N N 275 
THR CG2  C  N N 276 
THR OXT  O  N N 277 
THR H    H  N N 278 
THR H2   H  N N 279 
THR HA   H  N N 280 
THR HB   H  N N 281 
THR HG1  H  N N 282 
THR HG21 H  N N 283 
THR HG22 H  N N 284 
THR HG23 H  N N 285 
THR HXT  H  N N 286 
TRP N    N  N N 287 
TRP CA   C  N S 288 
TRP C    C  N N 289 
TRP O    O  N N 290 
TRP CB   C  N N 291 
TRP CG   C  Y N 292 
TRP CD1  C  Y N 293 
TRP CD2  C  Y N 294 
TRP NE1  N  Y N 295 
TRP CE2  C  Y N 296 
TRP CE3  C  Y N 297 
TRP CZ2  C  Y N 298 
TRP CZ3  C  Y N 299 
TRP CH2  C  Y N 300 
TRP OXT  O  N N 301 
TRP H    H  N N 302 
TRP H2   H  N N 303 
TRP HA   H  N N 304 
TRP HB2  H  N N 305 
TRP HB3  H  N N 306 
TRP HD1  H  N N 307 
TRP HE1  H  N N 308 
TRP HE3  H  N N 309 
TRP HZ2  H  N N 310 
TRP HZ3  H  N N 311 
TRP HH2  H  N N 312 
TRP HXT  H  N N 313 
TYR N    N  N N 314 
TYR CA   C  N S 315 
TYR C    C  N N 316 
TYR O    O  N N 317 
TYR CB   C  N N 318 
TYR CG   C  Y N 319 
TYR CD1  C  Y N 320 
TYR CD2  C  Y N 321 
TYR CE1  C  Y N 322 
TYR CE2  C  Y N 323 
TYR CZ   C  Y N 324 
TYR OH   O  N N 325 
TYR OXT  O  N N 326 
TYR H    H  N N 327 
TYR H2   H  N N 328 
TYR HA   H  N N 329 
TYR HB2  H  N N 330 
TYR HB3  H  N N 331 
TYR HD1  H  N N 332 
TYR HD2  H  N N 333 
TYR HE1  H  N N 334 
TYR HE2  H  N N 335 
TYR HH   H  N N 336 
TYR HXT  H  N N 337 
VAL N    N  N N 338 
VAL CA   C  N S 339 
VAL C    C  N N 340 
VAL O    O  N N 341 
VAL CB   C  N N 342 
VAL CG1  C  N N 343 
VAL CG2  C  N N 344 
VAL OXT  O  N N 345 
VAL H    H  N N 346 
VAL H2   H  N N 347 
VAL HA   H  N N 348 
VAL HB   H  N N 349 
VAL HG11 H  N N 350 
VAL HG12 H  N N 351 
VAL HG13 H  N N 352 
VAL HG21 H  N N 353 
VAL HG22 H  N N 354 
VAL HG23 H  N N 355 
VAL HXT  H  N N 356 
# 
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  
ARG N   CA   sing N N 13  
ARG N   H    sing N N 14  
ARG N   H2   sing N N 15  
ARG CA  C    sing N N 16  
ARG CA  CB   sing N N 17  
ARG CA  HA   sing N N 18  
ARG C   O    doub N N 19  
ARG C   OXT  sing N N 20  
ARG CB  CG   sing N N 21  
ARG CB  HB2  sing N N 22  
ARG CB  HB3  sing N N 23  
ARG CG  CD   sing N N 24  
ARG CG  HG2  sing N N 25  
ARG CG  HG3  sing N N 26  
ARG CD  NE   sing N N 27  
ARG CD  HD2  sing N N 28  
ARG CD  HD3  sing N N 29  
ARG NE  CZ   sing N N 30  
ARG NE  HE   sing N N 31  
ARG CZ  NH1  sing N N 32  
ARG CZ  NH2  doub N N 33  
ARG NH1 HH11 sing N N 34  
ARG NH1 HH12 sing N N 35  
ARG NH2 HH21 sing N N 36  
ARG NH2 HH22 sing N N 37  
ARG OXT HXT  sing N N 38  
ASN N   CA   sing N N 39  
ASN N   H    sing N N 40  
ASN N   H2   sing N N 41  
ASN CA  C    sing N N 42  
ASN CA  CB   sing N N 43  
ASN CA  HA   sing N N 44  
ASN C   O    doub N N 45  
ASN C   OXT  sing N N 46  
ASN CB  CG   sing N N 47  
ASN CB  HB2  sing N N 48  
ASN CB  HB3  sing N N 49  
ASN CG  OD1  doub N N 50  
ASN CG  ND2  sing N N 51  
ASN ND2 HD21 sing N N 52  
ASN ND2 HD22 sing N N 53  
ASN OXT HXT  sing N N 54  
ASP N   CA   sing N N 55  
ASP N   H    sing N N 56  
ASP N   H2   sing N N 57  
ASP CA  C    sing N N 58  
ASP CA  CB   sing N N 59  
ASP CA  HA   sing N N 60  
ASP C   O    doub N N 61  
ASP C   OXT  sing N N 62  
ASP CB  CG   sing N N 63  
ASP CB  HB2  sing N N 64  
ASP CB  HB3  sing N N 65  
ASP CG  OD1  doub N N 66  
ASP CG  OD2  sing N N 67  
ASP OD2 HD2  sing N N 68  
ASP OXT HXT  sing N N 69  
GLN N   CA   sing N N 70  
GLN N   H    sing N N 71  
GLN N   H2   sing N N 72  
GLN CA  C    sing N N 73  
GLN CA  CB   sing N N 74  
GLN CA  HA   sing N N 75  
GLN C   O    doub N N 76  
GLN C   OXT  sing N N 77  
GLN CB  CG   sing N N 78  
GLN CB  HB2  sing N N 79  
GLN CB  HB3  sing N N 80  
GLN CG  CD   sing N N 81  
GLN CG  HG2  sing N N 82  
GLN CG  HG3  sing N N 83  
GLN CD  OE1  doub N N 84  
GLN CD  NE2  sing N N 85  
GLN NE2 HE21 sing N N 86  
GLN NE2 HE22 sing N N 87  
GLN OXT HXT  sing N N 88  
GLU N   CA   sing N N 89  
GLU N   H    sing N N 90  
GLU N   H2   sing N N 91  
GLU CA  C    sing N N 92  
GLU CA  CB   sing N N 93  
GLU CA  HA   sing N N 94  
GLU C   O    doub N N 95  
GLU C   OXT  sing N N 96  
GLU CB  CG   sing N N 97  
GLU CB  HB2  sing N N 98  
GLU CB  HB3  sing N N 99  
GLU CG  CD   sing N N 100 
GLU CG  HG2  sing N N 101 
GLU CG  HG3  sing N N 102 
GLU CD  OE1  doub N N 103 
GLU CD  OE2  sing N N 104 
GLU OE2 HE2  sing N N 105 
GLU OXT HXT  sing N N 106 
GLY N   CA   sing N N 107 
GLY N   H    sing N N 108 
GLY N   H2   sing N N 109 
GLY CA  C    sing N N 110 
GLY CA  HA2  sing N N 111 
GLY CA  HA3  sing N N 112 
GLY C   O    doub N N 113 
GLY C   OXT  sing N N 114 
GLY OXT HXT  sing N N 115 
HOH O   H1   sing N N 116 
HOH O   H2   sing N N 117 
ILE N   CA   sing N N 118 
ILE N   H    sing N N 119 
ILE N   H2   sing N N 120 
ILE CA  C    sing N N 121 
ILE CA  CB   sing N N 122 
ILE CA  HA   sing N N 123 
ILE C   O    doub N N 124 
ILE C   OXT  sing N N 125 
ILE CB  CG1  sing N N 126 
ILE CB  CG2  sing N N 127 
ILE CB  HB   sing N N 128 
ILE CG1 CD1  sing N N 129 
ILE CG1 HG12 sing N N 130 
ILE CG1 HG13 sing N N 131 
ILE CG2 HG21 sing N N 132 
ILE CG2 HG22 sing N N 133 
ILE CG2 HG23 sing N N 134 
ILE CD1 HD11 sing N N 135 
ILE CD1 HD12 sing N N 136 
ILE CD1 HD13 sing N N 137 
ILE OXT HXT  sing N N 138 
LEU N   CA   sing N N 139 
LEU N   H    sing N N 140 
LEU N   H2   sing N N 141 
LEU CA  C    sing N N 142 
LEU CA  CB   sing N N 143 
LEU CA  HA   sing N N 144 
LEU C   O    doub N N 145 
LEU C   OXT  sing N N 146 
LEU CB  CG   sing N N 147 
LEU CB  HB2  sing N N 148 
LEU CB  HB3  sing N N 149 
LEU CG  CD1  sing N N 150 
LEU CG  CD2  sing N N 151 
LEU CG  HG   sing N N 152 
LEU CD1 HD11 sing N N 153 
LEU CD1 HD12 sing N N 154 
LEU CD1 HD13 sing N N 155 
LEU CD2 HD21 sing N N 156 
LEU CD2 HD22 sing N N 157 
LEU CD2 HD23 sing N N 158 
LEU OXT HXT  sing N N 159 
LYS N   CA   sing N N 160 
LYS N   H    sing N N 161 
LYS N   H2   sing N N 162 
LYS CA  C    sing N N 163 
LYS CA  CB   sing N N 164 
LYS CA  HA   sing N N 165 
LYS C   O    doub N N 166 
LYS C   OXT  sing N N 167 
LYS CB  CG   sing N N 168 
LYS CB  HB2  sing N N 169 
LYS CB  HB3  sing N N 170 
LYS CG  CD   sing N N 171 
LYS CG  HG2  sing N N 172 
LYS CG  HG3  sing N N 173 
LYS CD  CE   sing N N 174 
LYS CD  HD2  sing N N 175 
LYS CD  HD3  sing N N 176 
LYS CE  NZ   sing N N 177 
LYS CE  HE2  sing N N 178 
LYS CE  HE3  sing N N 179 
LYS NZ  HZ1  sing N N 180 
LYS NZ  HZ2  sing N N 181 
LYS NZ  HZ3  sing N N 182 
LYS OXT HXT  sing N N 183 
MET N   CA   sing N N 184 
MET N   H    sing N N 185 
MET N   H2   sing N N 186 
MET CA  C    sing N N 187 
MET CA  CB   sing N N 188 
MET CA  HA   sing N N 189 
MET C   O    doub N N 190 
MET C   OXT  sing N N 191 
MET CB  CG   sing N N 192 
MET CB  HB2  sing N N 193 
MET CB  HB3  sing N N 194 
MET CG  SD   sing N N 195 
MET CG  HG2  sing N N 196 
MET CG  HG3  sing N N 197 
MET SD  CE   sing N N 198 
MET CE  HE1  sing N N 199 
MET CE  HE2  sing N N 200 
MET CE  HE3  sing N N 201 
MET OXT HXT  sing N N 202 
PHE N   CA   sing N N 203 
PHE N   H    sing N N 204 
PHE N   H2   sing N N 205 
PHE CA  C    sing N N 206 
PHE CA  CB   sing N N 207 
PHE CA  HA   sing N N 208 
PHE C   O    doub N N 209 
PHE C   OXT  sing N N 210 
PHE CB  CG   sing N N 211 
PHE CB  HB2  sing N N 212 
PHE CB  HB3  sing N N 213 
PHE CG  CD1  doub Y N 214 
PHE CG  CD2  sing Y N 215 
PHE CD1 CE1  sing Y N 216 
PHE CD1 HD1  sing N N 217 
PHE CD2 CE2  doub Y N 218 
PHE CD2 HD2  sing N N 219 
PHE CE1 CZ   doub Y N 220 
PHE CE1 HE1  sing N N 221 
PHE CE2 CZ   sing Y N 222 
PHE CE2 HE2  sing N N 223 
PHE CZ  HZ   sing N N 224 
PHE OXT HXT  sing N N 225 
PRO N   CA   sing N N 226 
PRO N   CD   sing N N 227 
PRO N   H    sing N N 228 
PRO CA  C    sing N N 229 
PRO CA  CB   sing N N 230 
PRO CA  HA   sing N N 231 
PRO C   O    doub N N 232 
PRO C   OXT  sing N N 233 
PRO CB  CG   sing N N 234 
PRO CB  HB2  sing N N 235 
PRO CB  HB3  sing N N 236 
PRO CG  CD   sing N N 237 
PRO CG  HG2  sing N N 238 
PRO CG  HG3  sing N N 239 
PRO CD  HD2  sing N N 240 
PRO CD  HD3  sing N N 241 
PRO OXT HXT  sing N N 242 
SER N   CA   sing N N 243 
SER N   H    sing N N 244 
SER N   H2   sing N N 245 
SER CA  C    sing N N 246 
SER CA  CB   sing N N 247 
SER CA  HA   sing N N 248 
SER C   O    doub N N 249 
SER C   OXT  sing N N 250 
SER CB  OG   sing N N 251 
SER CB  HB2  sing N N 252 
SER CB  HB3  sing N N 253 
SER OG  HG   sing N N 254 
SER OXT HXT  sing N N 255 
THR N   CA   sing N N 256 
THR N   H    sing N N 257 
THR N   H2   sing N N 258 
THR CA  C    sing N N 259 
THR CA  CB   sing N N 260 
THR CA  HA   sing N N 261 
THR C   O    doub N N 262 
THR C   OXT  sing N N 263 
THR CB  OG1  sing N N 264 
THR CB  CG2  sing N N 265 
THR CB  HB   sing N N 266 
THR OG1 HG1  sing N N 267 
THR CG2 HG21 sing N N 268 
THR CG2 HG22 sing N N 269 
THR CG2 HG23 sing N N 270 
THR OXT HXT  sing N N 271 
TRP N   CA   sing N N 272 
TRP N   H    sing N N 273 
TRP N   H2   sing N N 274 
TRP CA  C    sing N N 275 
TRP CA  CB   sing N N 276 
TRP CA  HA   sing N N 277 
TRP C   O    doub N N 278 
TRP C   OXT  sing N N 279 
TRP CB  CG   sing N N 280 
TRP CB  HB2  sing N N 281 
TRP CB  HB3  sing N N 282 
TRP CG  CD1  doub Y N 283 
TRP CG  CD2  sing Y N 284 
TRP CD1 NE1  sing Y N 285 
TRP CD1 HD1  sing N N 286 
TRP CD2 CE2  doub Y N 287 
TRP CD2 CE3  sing Y N 288 
TRP NE1 CE2  sing Y N 289 
TRP NE1 HE1  sing N N 290 
TRP CE2 CZ2  sing Y N 291 
TRP CE3 CZ3  doub Y N 292 
TRP CE3 HE3  sing N N 293 
TRP CZ2 CH2  doub Y N 294 
TRP CZ2 HZ2  sing N N 295 
TRP CZ3 CH2  sing Y N 296 
TRP CZ3 HZ3  sing N N 297 
TRP CH2 HH2  sing N N 298 
TRP OXT HXT  sing N N 299 
TYR N   CA   sing N N 300 
TYR N   H    sing N N 301 
TYR N   H2   sing N N 302 
TYR CA  C    sing N N 303 
TYR CA  CB   sing N N 304 
TYR CA  HA   sing N N 305 
TYR C   O    doub N N 306 
TYR C   OXT  sing N N 307 
TYR CB  CG   sing N N 308 
TYR CB  HB2  sing N N 309 
TYR CB  HB3  sing N N 310 
TYR CG  CD1  doub Y N 311 
TYR CG  CD2  sing Y N 312 
TYR CD1 CE1  sing Y N 313 
TYR CD1 HD1  sing N N 314 
TYR CD2 CE2  doub Y N 315 
TYR CD2 HD2  sing N N 316 
TYR CE1 CZ   doub Y N 317 
TYR CE1 HE1  sing N N 318 
TYR CE2 CZ   sing Y N 319 
TYR CE2 HE2  sing N N 320 
TYR CZ  OH   sing N N 321 
TYR OH  HH   sing N N 322 
TYR OXT HXT  sing N N 323 
VAL N   CA   sing N N 324 
VAL N   H    sing N N 325 
VAL N   H2   sing N N 326 
VAL CA  C    sing N N 327 
VAL CA  CB   sing N N 328 
VAL CA  HA   sing N N 329 
VAL C   O    doub N N 330 
VAL C   OXT  sing N N 331 
VAL CB  CG1  sing N N 332 
VAL CB  CG2  sing N N 333 
VAL CB  HB   sing N N 334 
VAL CG1 HG11 sing N N 335 
VAL CG1 HG12 sing N N 336 
VAL CG1 HG13 sing N N 337 
VAL CG2 HG21 sing N N 338 
VAL CG2 HG22 sing N N 339 
VAL CG2 HG23 sing N N 340 
VAL OXT HXT  sing N N 341 
# 
_atom_sites.entry_id                    1CHN 
_atom_sites.fract_transf_matrix[1][1]   0.033445 
_atom_sites.fract_transf_matrix[1][2]   0.000000 
_atom_sites.fract_transf_matrix[1][3]   0.007660 
_atom_sites.fract_transf_matrix[2][1]   0.000000 
_atom_sites.fract_transf_matrix[2][2]   0.022523 
_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]   0.021874 
_atom_sites.fract_transf_vector[1]      0.00000 
_atom_sites.fract_transf_vector[2]      0.00000 
_atom_sites.fract_transf_vector[3]      0.00000 
# 
_atom_sites_footnote.id     1 
_atom_sites_footnote.text   'CIS PROLINE - PRO     110' 
# 
loop_
_atom_type.symbol 
C  
MG 
N  
O  
S  
# 
loop_