data_1K6U
# 
_entry.id   1K6U 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.398 
_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   1K6U         pdb_00001k6u 10.2210/pdb1k6u/pdb 
RCSB  RCSB014633   ?            ?                   
WWPDB D_1000014633 ?            ?                   
# 
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 2001-12-19 
2 'Structure model' 1 1 2008-04-27 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2021-10-27 
5 'Structure model' 1 4 2023-08-16 
6 'Structure model' 1 5 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' 'Database references'       
4 4 'Structure model' 'Derived calculations'      
5 5 'Structure model' 'Data collection'           
6 5 'Structure model' 'Refinement description'    
7 6 'Structure model' 'Structure summary'         
# 
loop_
_pdbx_audit_revision_category.ordinal 
_pdbx_audit_revision_category.revision_ordinal 
_pdbx_audit_revision_category.data_content_type 
_pdbx_audit_revision_category.category 
1 4 'Structure model' database_2                    
2 4 'Structure model' struct_conn                   
3 4 'Structure model' struct_ref_seq_dif            
4 4 'Structure model' struct_site                   
5 5 'Structure model' chem_comp_atom                
6 5 'Structure model' chem_comp_bond                
7 5 'Structure model' pdbx_initial_refinement_model 
8 6 'Structure model' pdbx_entry_details            
9 6 'Structure model' pdbx_modification_feature     
# 
loop_
_pdbx_audit_revision_item.ordinal 
_pdbx_audit_revision_item.revision_ordinal 
_pdbx_audit_revision_item.data_content_type 
_pdbx_audit_revision_item.item 
1 4 'Structure model' '_database_2.pdbx_DOI'                
2 4 'Structure model' '_database_2.pdbx_database_accession' 
3 4 'Structure model' '_struct_conn.pdbx_leaving_atom_flag' 
4 4 'Structure model' '_struct_ref_seq_dif.details'         
5 4 'Structure model' '_struct_site.pdbx_auth_asym_id'      
6 4 'Structure model' '_struct_site.pdbx_auth_comp_id'      
7 4 'Structure model' '_struct_site.pdbx_auth_seq_id'       
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1K6U 
_pdbx_database_status.recvd_initial_deposition_date   2001-10-17 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    RCSB 
_pdbx_database_status.status_code_sf                  REL 
_pdbx_database_status.status_code_mr                  ? 
_pdbx_database_status.SG_entry                        ? 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.status_code_nmr_data            ? 
_pdbx_database_status.methods_development_category    ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Botos, I.'    1 
'Wu, Z.'       2 
'Lu, W.'       3 
'Wlodawer, A.' 4 
# 
_citation.id                        primary 
_citation.title                     'Crystal structure of a cyclic form of bovine pancreatic trypsin inhibitor.' 
_citation.journal_abbrev            'FEBS Lett.' 
_citation.journal_volume            509 
_citation.page_first                90 
_citation.page_last                 94 
_citation.year                      2001 
_citation.journal_id_ASTM           FEBLAL 
_citation.country                   NE 
_citation.journal_id_ISSN           0014-5793 
_citation.journal_id_CSD            0165 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   11734212 
_citation.pdbx_database_id_DOI      '10.1016/S0014-5793(01)03113-1' 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Botos, I.'    1 ? 
primary 'Wu, Z.'       2 ? 
primary 'Lu, W.'       3 ? 
primary 'Wlodawer, A.' 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     syn 'PANCREATIC TRYPSIN INHIBITOR' 6481.481 1   ? ? ? ? 
2 non-polymer syn 'SULFATE ION'                  96.063   7   ? ? ? ? 
3 non-polymer syn 1,2-ETHANEDIOL                 62.068   2   ? ? ? ? 
4 water       nat water                          18.015   143 ? ? ? ? 
# 
_entity_name_com.entity_id   1 
_entity_name_com.name        BPTI 
# 
_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       RPDFCLEPPYAGACRARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCLRTCGGA 
_entity_poly.pdbx_seq_one_letter_code_can   RPDFCLEPPYAGACRARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCLRTCGGA 
_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 'SULFATE ION'  SO4 
3 1,2-ETHANEDIOL EDO 
4 water          HOH 
# 
loop_
_entity_poly_seq.entity_id 
_entity_poly_seq.num 
_entity_poly_seq.mon_id 
_entity_poly_seq.hetero 
1 1  ARG n 
1 2  PRO n 
1 3  ASP n 
1 4  PHE n 
1 5  CYS n 
1 6  LEU n 
1 7  GLU n 
1 8  PRO n 
1 9  PRO n 
1 10 TYR n 
1 11 ALA n 
1 12 GLY n 
1 13 ALA n 
1 14 CYS n 
1 15 ARG n 
1 16 ALA n 
1 17 ARG n 
1 18 ILE n 
1 19 ILE n 
1 20 ARG n 
1 21 TYR n 
1 22 PHE n 
1 23 TYR n 
1 24 ASN n 
1 25 ALA n 
1 26 LYS n 
1 27 ALA n 
1 28 GLY n 
1 29 LEU n 
1 30 CYS n 
1 31 GLN n 
1 32 THR n 
1 33 PHE n 
1 34 VAL n 
1 35 TYR n 
1 36 GLY n 
1 37 GLY n 
1 38 CYS n 
1 39 ARG n 
1 40 ALA n 
1 41 LYS n 
1 42 ARG n 
1 43 ASN n 
1 44 ASN n 
1 45 PHE n 
1 46 LYS n 
1 47 SER n 
1 48 ALA n 
1 49 GLU n 
1 50 ASP n 
1 51 CYS n 
1 52 LEU n 
1 53 ARG n 
1 54 THR n 
1 55 CYS n 
1 56 GLY n 
1 57 GLY n 
1 58 ALA n 
# 
_pdbx_entity_src_syn.entity_id              1 
_pdbx_entity_src_syn.pdbx_src_id            1 
_pdbx_entity_src_syn.pdbx_alt_source_flag   sample 
_pdbx_entity_src_syn.pdbx_beg_seq_num       ? 
_pdbx_entity_src_syn.pdbx_end_seq_num       ? 
_pdbx_entity_src_syn.organism_scientific    ? 
_pdbx_entity_src_syn.organism_common_name   ? 
_pdbx_entity_src_syn.ncbi_taxonomy_id       ? 
_pdbx_entity_src_syn.details                
'This sequence was chemically synthesized. It is a 4-point mutant of the naturally occuring BPTI from Bos Taurus.' 
# 
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 
CYS 'L-peptide linking' y CYSTEINE        ?                 'C3 H7 N O2 S'   121.158 
EDO non-polymer         . 1,2-ETHANEDIOL  'ETHYLENE GLYCOL' 'C2 H6 O2'       62.068  
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 
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 
SO4 non-polymer         . 'SULFATE ION'   ?                 'O4 S -2'        96.063  
THR 'L-peptide linking' y THREONINE       ?                 'C4 H9 N O3'     119.119 
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  ARG 1  1  1  ARG ARG A . n 
A 1 2  PRO 2  2  2  PRO PRO A . n 
A 1 3  ASP 3  3  3  ASP ASP A . n 
A 1 4  PHE 4  4  4  PHE PHE A . n 
A 1 5  CYS 5  5  5  CYS CYS A . n 
A 1 6  LEU 6  6  6  LEU LEU A . n 
A 1 7  GLU 7  7  7  GLU GLU A . n 
A 1 8  PRO 8  8  8  PRO PRO A . n 
A 1 9  PRO 9  9  9  PRO PRO A . n 
A 1 10 TYR 10 10 10 TYR TYR A . n 
A 1 11 ALA 11 11 11 ALA ALA A . n 
A 1 12 GLY 12 12 12 GLY GLY A . n 
A 1 13 ALA 13 13 13 ALA ALA A . n 
A 1 14 CYS 14 14 14 CYS CYS A . n 
A 1 15 ARG 15 15 15 ARG ARG A . n 
A 1 16 ALA 16 16 16 ALA ALA A . n 
A 1 17 ARG 17 17 17 ARG ARG A . n 
A 1 18 ILE 18 18 18 ILE ILE A . n 
A 1 19 ILE 19 19 19 ILE ILE A . n 
A 1 20 ARG 20 20 20 ARG ARG A . n 
A 1 21 TYR 21 21 21 TYR TYR A . n 
A 1 22 PHE 22 22 22 PHE PHE A . n 
A 1 23 TYR 23 23 23 TYR TYR A . n 
A 1 24 ASN 24 24 24 ASN ASN A . n 
A 1 25 ALA 25 25 25 ALA ALA A . n 
A 1 26 LYS 26 26 26 LYS LYS A . n 
A 1 27 ALA 27 27 27 ALA ALA A . n 
A 1 28 GLY 28 28 28 GLY GLY A . n 
A 1 29 LEU 29 29 29 LEU LEU A . n 
A 1 30 CYS 30 30 30 CYS CYS A . n 
A 1 31 GLN 31 31 31 GLN GLN A . n 
A 1 32 THR 32 32 32 THR THR A . n 
A 1 33 PHE 33 33 33 PHE PHE A . n 
A 1 34 VAL 34 34 34 VAL VAL A . n 
A 1 35 TYR 35 35 35 TYR TYR A . n 
A 1 36 GLY 36 36 36 GLY GLY A . n 
A 1 37 GLY 37 37 37 GLY GLY A . n 
A 1 38 CYS 38 38 38 CYS CYS A . n 
A 1 39 ARG 39 39 39 ARG ARG A . n 
A 1 40 ALA 40 40 40 ALA ALA A . n 
A 1 41 LYS 41 41 41 LYS LYS A . n 
A 1 42 ARG 42 42 42 ARG ARG A . n 
A 1 43 ASN 43 43 43 ASN ASN A . n 
A 1 44 ASN 44 44 44 ASN ASN A . n 
A 1 45 PHE 45 45 45 PHE PHE A . n 
A 1 46 LYS 46 46 46 LYS LYS A . n 
A 1 47 SER 47 47 47 SER SER A . n 
A 1 48 ALA 48 48 48 ALA ALA A . n 
A 1 49 GLU 49 49 49 GLU GLU A . n 
A 1 50 ASP 50 50 50 ASP ASP A . n 
A 1 51 CYS 51 51 51 CYS CYS A . n 
A 1 52 LEU 52 52 52 LEU LEU A . n 
A 1 53 ARG 53 53 53 ARG ARG A . n 
A 1 54 THR 54 54 54 THR THR A . n 
A 1 55 CYS 55 55 55 CYS CYS A . n 
A 1 56 GLY 56 56 56 GLY GLY A . n 
A 1 57 GLY 57 57 57 GLY GLY A . n 
A 1 58 ALA 58 58 58 ALA ALA 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 SO4 1   59  1   SO4 SO4 A . 
C 2 SO4 1   60  2   SO4 SO4 A . 
D 2 SO4 1   61  4   SO4 SO4 A . 
E 2 SO4 1   62  6   SO4 SO4 A . 
F 2 SO4 1   63  8   SO4 SO4 A . 
G 2 SO4 1   64  7   SO4 SO4 A . 
H 2 SO4 1   65  5   SO4 SO2 A . 
I 3 EDO 1   66  21  EDO EDO A . 
J 3 EDO 1   67  22  EDO EDO A . 
K 4 HOH 1   101 101 HOH HOH A . 
K 4 HOH 2   102 102 HOH HOH A . 
K 4 HOH 3   103 103 HOH HOH A . 
K 4 HOH 4   104 104 HOH HOH A . 
K 4 HOH 5   105 105 HOH HOH A . 
K 4 HOH 6   106 106 HOH HOH A . 
K 4 HOH 7   107 107 HOH HOH A . 
K 4 HOH 8   108 108 HOH HOH A . 
K 4 HOH 9   109 109 HOH HOH A . 
K 4 HOH 10  110 110 HOH HOH A . 
K 4 HOH 11  111 111 HOH HOH A . 
K 4 HOH 12  112 112 HOH HOH A . 
K 4 HOH 13  113 113 HOH HOH A . 
K 4 HOH 14  114 114 HOH HOH A . 
K 4 HOH 15  115 115 HOH HOH A . 
K 4 HOH 16  116 116 HOH HOH A . 
K 4 HOH 17  117 117 HOH HOH A . 
K 4 HOH 18  118 118 HOH HOH A . 
K 4 HOH 19  119 119 HOH HOH A . 
K 4 HOH 20  120 120 HOH HOH A . 
K 4 HOH 21  121 121 HOH HOH A . 
K 4 HOH 22  122 122 HOH HOH A . 
K 4 HOH 23  123 123 HOH HOH A . 
K 4 HOH 24  124 124 HOH HOH A . 
K 4 HOH 25  125 125 HOH HOH A . 
K 4 HOH 26  126 126 HOH HOH A . 
K 4 HOH 27  127 127 HOH HOH A . 
K 4 HOH 28  128 128 HOH HOH A . 
K 4 HOH 29  129 129 HOH HOH A . 
K 4 HOH 30  130 130 HOH HOH A . 
K 4 HOH 31  131 131 HOH HOH A . 
K 4 HOH 32  132 132 HOH HOH A . 
K 4 HOH 33  133 133 HOH HOH A . 
K 4 HOH 34  134 134 HOH HOH A . 
K 4 HOH 35  135 135 HOH HOH A . 
K 4 HOH 36  136 136 HOH HOH A . 
K 4 HOH 37  137 137 HOH HOH A . 
K 4 HOH 38  138 138 HOH HOH A . 
K 4 HOH 39  139 139 HOH HOH A . 
K 4 HOH 40  140 140 HOH HOH A . 
K 4 HOH 41  141 141 HOH HOH A . 
K 4 HOH 42  142 142 HOH HOH A . 
K 4 HOH 43  143 143 HOH HOH A . 
K 4 HOH 44  144 144 HOH HOH A . 
K 4 HOH 45  145 145 HOH HOH A . 
K 4 HOH 46  146 146 HOH HOH A . 
K 4 HOH 47  147 147 HOH HOH A . 
K 4 HOH 48  148 148 HOH HOH A . 
K 4 HOH 49  149 149 HOH HOH A . 
K 4 HOH 50  150 150 HOH HOH A . 
K 4 HOH 51  151 151 HOH HOH A . 
K 4 HOH 52  152 152 HOH HOH A . 
K 4 HOH 53  153 153 HOH HOH A . 
K 4 HOH 54  154 154 HOH HOH A . 
K 4 HOH 55  155 155 HOH HOH A . 
K 4 HOH 56  156 156 HOH HOH A . 
K 4 HOH 57  157 157 HOH HOH A . 
K 4 HOH 58  158 158 HOH HOH A . 
K 4 HOH 59  159 159 HOH HOH A . 
K 4 HOH 60  160 160 HOH HOH A . 
K 4 HOH 61  161 161 HOH HOH A . 
K 4 HOH 62  162 162 HOH HOH A . 
K 4 HOH 63  163 163 HOH HOH A . 
K 4 HOH 64  164 164 HOH HOH A . 
K 4 HOH 65  165 165 HOH HOH A . 
K 4 HOH 66  166 166 HOH HOH A . 
K 4 HOH 67  167 167 HOH HOH A . 
K 4 HOH 68  168 168 HOH HOH A . 
K 4 HOH 69  169 169 HOH HOH A . 
K 4 HOH 70  170 170 HOH HOH A . 
K 4 HOH 71  171 171 HOH HOH A . 
K 4 HOH 72  172 172 HOH HOH A . 
K 4 HOH 73  173 173 HOH HOH A . 
K 4 HOH 74  174 174 HOH HOH A . 
K 4 HOH 75  175 175 HOH HOH A . 
K 4 HOH 76  176 176 HOH HOH A . 
K 4 HOH 77  177 177 HOH HOH A . 
K 4 HOH 78  178 178 HOH HOH A . 
K 4 HOH 79  179 179 HOH HOH A . 
K 4 HOH 80  180 180 HOH HOH A . 
K 4 HOH 81  181 181 HOH HOH A . 
K 4 HOH 82  182 182 HOH HOH A . 
K 4 HOH 83  183 183 HOH HOH A . 
K 4 HOH 84  184 184 HOH HOH A . 
K 4 HOH 85  185 185 HOH HOH A . 
K 4 HOH 86  186 186 HOH HOH A . 
K 4 HOH 87  187 187 HOH HOH A . 
K 4 HOH 88  188 188 HOH HOH A . 
K 4 HOH 89  189 189 HOH HOH A . 
K 4 HOH 90  190 190 HOH HOH A . 
K 4 HOH 91  191 191 HOH HOH A . 
K 4 HOH 92  192 192 HOH HOH A . 
K 4 HOH 93  193 193 HOH HOH A . 
K 4 HOH 94  194 194 HOH HOH A . 
K 4 HOH 95  195 195 HOH HOH A . 
K 4 HOH 96  196 196 HOH HOH A . 
K 4 HOH 97  197 197 HOH HOH A . 
K 4 HOH 98  198 198 HOH HOH A . 
K 4 HOH 99  199 199 HOH HOH A . 
K 4 HOH 100 200 200 HOH HOH A . 
K 4 HOH 101 201 201 HOH HOH A . 
K 4 HOH 102 202 202 HOH HOH A . 
K 4 HOH 103 203 203 HOH HOH A . 
K 4 HOH 104 204 204 HOH HOH A . 
K 4 HOH 105 205 205 HOH HOH A . 
K 4 HOH 106 206 206 HOH HOH A . 
K 4 HOH 107 207 207 HOH HOH A . 
K 4 HOH 108 208 208 HOH HOH A . 
K 4 HOH 109 209 209 HOH HOH A . 
K 4 HOH 110 210 210 HOH HOH A . 
K 4 HOH 111 211 211 HOH HOH A . 
K 4 HOH 112 212 212 HOH HOH A . 
K 4 HOH 113 213 213 HOH HOH A . 
K 4 HOH 114 214 214 HOH HOH A . 
K 4 HOH 115 215 215 HOH HOH A . 
K 4 HOH 116 216 216 HOH HOH A . 
K 4 HOH 117 217 217 HOH HOH A . 
K 4 HOH 118 218 218 HOH HOH A . 
K 4 HOH 119 219 219 HOH HOH A . 
K 4 HOH 120 220 220 HOH HOH A . 
K 4 HOH 121 221 221 HOH HOH A . 
K 4 HOH 122 222 222 HOH HOH A . 
K 4 HOH 123 223 223 HOH HOH A . 
K 4 HOH 124 224 224 HOH HOH A . 
K 4 HOH 125 225 225 HOH HOH A . 
K 4 HOH 126 226 226 HOH HOH A . 
K 4 HOH 127 227 227 HOH HOH A . 
K 4 HOH 128 228 228 HOH HOH A . 
K 4 HOH 129 229 229 HOH HOH A . 
K 4 HOH 130 230 230 HOH HOH A . 
K 4 HOH 131 231 231 HOH HOH A . 
K 4 HOH 132 232 232 HOH HOH A . 
K 4 HOH 133 233 233 HOH HOH A . 
K 4 HOH 134 234 234 HOH HOH A . 
K 4 HOH 135 235 235 HOH HOH A . 
K 4 HOH 136 236 236 HOH HOH A . 
K 4 HOH 137 237 237 HOH HOH A . 
K 4 HOH 138 238 238 HOH HOH A . 
K 4 HOH 139 239 239 HOH HOH A . 
K 4 HOH 140 240 240 HOH HOH A . 
K 4 HOH 141 241 241 HOH HOH A . 
K 4 HOH 142 242 242 HOH HOH A . 
K 4 HOH 143 244 244 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 ARG 17 ? NH1 A A ARG 17 NH1 
2 1 N 1 A SO4 61 ? O2  ? D SO4 1  O2  
3 1 N 1 A SO4 61 ? O4  ? D SO4 1  O4  
4 1 N 1 A SO4 65 ? O3  ? H SO4 1  O3  
5 1 N 1 A SO4 65 ? O4  ? H SO4 1  O4  
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
DENZO     'data reduction' . ? 1 
SCALEPACK 'data scaling'   . ? 2 
SHELX     'model building' . ? 3 
SHELXL-97 refinement       . ? 4 
SHELX     phasing          . ? 5 
# 
_cell.entry_id           1K6U 
_cell.length_a           51.904 
_cell.length_b           51.904 
_cell.length_c           42.896 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        90.00 
_cell.Z_PDB              8 
_cell.pdbx_unique_axis   ? 
# 
_symmetry.entry_id                         1K6U 
_symmetry.space_group_name_H-M             'P 43 21 2' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     ? 
_symmetry.Int_Tables_number                96 
# 
_exptl.entry_id          1K6U 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   1 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      1.75 
_exptl_crystal.density_percent_sol   29.8 
_exptl_crystal.description           ? 
# 
_exptl_crystal_grow.crystal_id      1 
_exptl_crystal_grow.method          'VAPOR DIFFUSION, HANGING DROP' 
_exptl_crystal_grow.temp            295 
_exptl_crystal_grow.temp_details    ? 
_exptl_crystal_grow.pH              7.5 
_exptl_crystal_grow.pdbx_details    
'2M Ammonium sulfate, 2% PEG 400, 0.1M Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K' 
_exptl_crystal_grow.pdbx_pH_range   ? 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           100 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_detector.diffrn_id              1 
_diffrn_detector.detector               CCD 
_diffrn_detector.type                   'ADSC QUANTUM 4' 
_diffrn_detector.pdbx_collection_date   2001-07-14 
_diffrn_detector.details                ? 
# 
_diffrn_radiation.diffrn_id                        1 
_diffrn_radiation.wavelength_id                    1 
_diffrn_radiation.pdbx_monochromatic_or_laue_m_l   M 
_diffrn_radiation.monochromator                    'sagitally focused si(111)' 
_diffrn_radiation.pdbx_diffrn_protocol             'SINGLE WAVELENGTH' 
_diffrn_radiation.pdbx_scattering_type             x-ray 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   0.92 
_diffrn_radiation_wavelength.wt           1.0 
# 
_diffrn_source.diffrn_id                   1 
_diffrn_source.source                      SYNCHROTRON 
_diffrn_source.type                        'NSLS BEAMLINE X9B' 
_diffrn_source.pdbx_synchrotron_site       NSLS 
_diffrn_source.pdbx_synchrotron_beamline   X9B 
_diffrn_source.pdbx_wavelength             ? 
_diffrn_source.pdbx_wavelength_list        0.92 
# 
_reflns.entry_id                     1K6U 
_reflns.observed_criterion_sigma_I   0 
_reflns.observed_criterion_sigma_F   0 
_reflns.d_resolution_low             30.0 
_reflns.d_resolution_high            1.0 
_reflns.number_obs                   728960 
_reflns.number_all                   728960 
_reflns.percent_possible_obs         99.9 
_reflns.pdbx_Rmerge_I_obs            ? 
_reflns.pdbx_Rsym_value              0.07 
_reflns.pdbx_netI_over_sigmaI        9.2 
_reflns.B_iso_Wilson_estimate        ? 
_reflns.pdbx_redundancy              ? 
_reflns.R_free_details               ? 
_reflns.limit_h_max                  ? 
_reflns.limit_h_min                  ? 
_reflns.limit_k_max                  ? 
_reflns.limit_k_min                  ? 
_reflns.limit_l_max                  ? 
_reflns.limit_l_min                  ? 
_reflns.observed_criterion_F_max     ? 
_reflns.observed_criterion_F_min     ? 
_reflns.pdbx_diffrn_id               1 
_reflns.pdbx_ordinal                 1 
# 
_reflns_shell.d_res_high             1.00 
_reflns_shell.d_res_low              1.04 
_reflns_shell.percent_possible_all   100.00 
_reflns_shell.Rmerge_I_obs           ? 
_reflns_shell.pdbx_Rsym_value        ? 
_reflns_shell.meanI_over_sigI_obs    ? 
_reflns_shell.pdbx_redundancy        ? 
_reflns_shell.percent_possible_obs   ? 
_reflns_shell.number_unique_all      ? 
_reflns_shell.pdbx_diffrn_id         ? 
_reflns_shell.pdbx_ordinal           1 
# 
_refine.entry_id                                 1K6U 
_refine.ls_number_reflns_obs                     32183 
_refine.ls_number_reflns_all                     32215 
_refine.pdbx_ls_sigma_I                          ? 
_refine.pdbx_ls_sigma_F                          4.0 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.ls_d_res_low                             10.00 
_refine.ls_d_res_high                            1.00 
_refine.ls_percent_reflns_obs                    99.9 
_refine.ls_R_factor_obs                          0.128 
_refine.ls_R_factor_all                          0.1294 
_refine.ls_R_factor_R_work                       0.1182 
_refine.ls_R_factor_R_free                       0.1618 
_refine.ls_R_factor_R_free_error                 ? 
_refine.ls_R_factor_R_free_error_details         ? 
_refine.ls_percent_reflns_R_free                 10.0 
_refine.ls_number_reflns_R_free                  3202 
_refine.ls_number_parameters                     6174 
_refine.ls_number_restraints                     7248 
_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                    'MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-22' 
_refine.solvent_model_param_ksol                 ? 
_refine.solvent_model_param_bsol                 ? 
_refine.pdbx_ls_cross_valid_method               'FREE R' 
_refine.details                                  ? 
_refine.pdbx_starting_model                      'pdb entry 1g6x' 
_refine.pdbx_method_to_determine_struct          'MOLECULAR REPLACEMENT' 
_refine.pdbx_isotropic_thermal_model             ? 
_refine.pdbx_stereochemistry_target_values       'ENGH AND HUBER' 
_refine.pdbx_stereochem_target_val_spec_case     ? 
_refine.pdbx_R_Free_selection_details            RANDOM 
_refine.pdbx_overall_ESU_R_Free                  ? 
_refine.overall_SU_B                             ? 
_refine.ls_redundancy_reflns_obs                 ? 
_refine.B_iso_min                                ? 
_refine.B_iso_max                                ? 
_refine.correlation_coeff_Fo_to_Fc               ? 
_refine.correlation_coeff_Fo_to_Fc_free          ? 
_refine.overall_SU_R_Cruickshank_DPI             ? 
_refine.overall_SU_R_free                        ? 
_refine.overall_SU_ML                            ? 
_refine.pdbx_overall_ESU_R                       ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_refine.pdbx_refine_id                           'X-RAY DIFFRACTION' 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_TLS_residual_ADP_flag               ? 
_refine.pdbx_solvent_vdw_probe_radii             ? 
_refine.pdbx_solvent_ion_probe_radii             ? 
_refine.pdbx_solvent_shrinkage_radii             ? 
_refine.pdbx_overall_phase_error                 ? 
_refine.pdbx_overall_SU_R_free_Cruickshank_DPI   ? 
_refine.pdbx_overall_SU_R_Blow_DPI               ? 
_refine.pdbx_overall_SU_R_free_Blow_DPI          ? 
# 
_refine_analyze.entry_id                        1K6U 
_refine_analyze.Luzzati_coordinate_error_obs    ? 
_refine_analyze.Luzzati_sigma_a_obs             ? 
_refine_analyze.Luzzati_d_res_low_obs           ? 
_refine_analyze.Luzzati_coordinate_error_free   ? 
_refine_analyze.Luzzati_sigma_a_free            ? 
_refine_analyze.Luzzati_d_res_low_free          ? 
_refine_analyze.number_disordered_residues      8 
_refine_analyze.occupancy_sum_hydrogen          407.37 
_refine_analyze.occupancy_sum_non_hydrogen      604.03 
_refine_analyze.pdbx_Luzzati_d_res_high_obs     ? 
_refine_analyze.pdbx_refine_id                  'X-RAY DIFFRACTION' 
# 
_refine_hist.pdbx_refine_id                   'X-RAY DIFFRACTION' 
_refine_hist.cycle_id                         LAST 
_refine_hist.pdbx_number_atoms_protein        491 
_refine_hist.pdbx_number_atoms_nucleic_acid   0 
_refine_hist.pdbx_number_atoms_ligand         39 
_refine_hist.number_atoms_solvent             143 
_refine_hist.number_atoms_total               673 
_refine_hist.d_res_high                       1.00 
_refine_hist.d_res_low                        10.00 
# 
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 
s_bond_d               0.018  ? ? ? 'X-RAY DIFFRACTION' ? 
s_angle_d              0.036  ? ? ? 'X-RAY DIFFRACTION' ? 
s_similar_dist         0.000  ? ? ? 'X-RAY DIFFRACTION' ? 
s_from_restr_planes    0.0309 ? ? ? 'X-RAY DIFFRACTION' ? 
s_zero_chiral_vol      0.083  ? ? ? 'X-RAY DIFFRACTION' ? 
s_non_zero_chiral_vol  0.102  ? ? ? 'X-RAY DIFFRACTION' ? 
s_anti_bump_dis_restr  0.064  ? ? ? 'X-RAY DIFFRACTION' ? 
s_rigid_bond_adp_cmpnt 0.006  ? ? ? 'X-RAY DIFFRACTION' ? 
s_similar_adp_cmpnt    0.056  ? ? ? 'X-RAY DIFFRACTION' ? 
s_approx_iso_adps      0.102  ? ? ? 'X-RAY DIFFRACTION' ? 
# 
_pdbx_refine.entry_id                                    1K6U 
_pdbx_refine.R_factor_all_no_cutoff                      0.1294 
_pdbx_refine.R_factor_obs_no_cutoff                      0.128 
_pdbx_refine.free_R_factor_no_cutoff                     0.172 
_pdbx_refine.free_R_val_test_set_size_perc_no_cutoff     10.0 
_pdbx_refine.free_R_val_test_set_ct_no_cutoff            3202 
_pdbx_refine.R_factor_all_4sig_cutoff                    0.1196 
_pdbx_refine.R_factor_obs_4sig_cutoff                    0.1182 
_pdbx_refine.free_R_factor_4sig_cutoff                   0.1618 
_pdbx_refine.free_R_val_test_set_size_perc_4sig_cutoff   ? 
_pdbx_refine.free_R_val_test_set_ct_4sig_cutoff          2634 
_pdbx_refine.number_reflns_obs_4sig_cutoff               26250 
_pdbx_refine.number_reflns_obs_no_cutoff                 ? 
_pdbx_refine.pdbx_refine_id                              'X-RAY DIFFRACTION' 
_pdbx_refine.free_R_error_no_cutoff                      ? 
# 
_database_PDB_matrix.entry_id          1K6U 
_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]   0.000000 
_database_PDB_matrix.origx_vector[2]   0.000000 
_database_PDB_matrix.origx_vector[3]   0.000000 
# 
_struct.entry_id                  1K6U 
_struct.title                     'Crystal Structure of Cyclic Bovine Pancreatic Trypsin Inhibitor' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1K6U 
_struct_keywords.pdbx_keywords   'hydrolase inhibitor' 
_struct_keywords.text            'BPTI, cyclic protein, atomic resolution, hydrolase inhibitor' 
# 
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 2 ? 
D N N 2 ? 
E N N 2 ? 
F N N 2 ? 
G N N 2 ? 
H N N 2 ? 
I N N 3 ? 
J N N 3 ? 
K N N 4 ? 
# 
_struct_ref.id                         1 
_struct_ref.db_name                    UNP 
_struct_ref.db_code                    BPT1_BOVIN 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_seq_one_letter_code   RPDFCLEPPYTGPCKARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCMRTCGGA 
_struct_ref.pdbx_align_begin           36 
_struct_ref.pdbx_db_accession          P00974 
_struct_ref.pdbx_db_isoform            ? 
# 
_struct_ref_seq.align_id                      1 
_struct_ref_seq.ref_id                        1 
_struct_ref_seq.pdbx_PDB_id_code              1K6U 
_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                 58 
_struct_ref_seq.pdbx_seq_align_end_ins_code   ? 
_struct_ref_seq.pdbx_db_accession             P00974 
_struct_ref_seq.db_align_beg                  36 
_struct_ref_seq.pdbx_db_align_beg_ins_code    ? 
_struct_ref_seq.db_align_end                  93 
_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       58 
# 
loop_
_struct_ref_seq_dif.align_id 
_struct_ref_seq_dif.pdbx_pdb_id_code 
_struct_ref_seq_dif.mon_id 
_struct_ref_seq_dif.pdbx_pdb_strand_id 
_struct_ref_seq_dif.seq_num 
_struct_ref_seq_dif.pdbx_pdb_ins_code 
_struct_ref_seq_dif.pdbx_seq_db_name 
_struct_ref_seq_dif.pdbx_seq_db_accession_code 
_struct_ref_seq_dif.db_mon_id 
_struct_ref_seq_dif.pdbx_seq_db_seq_num 
_struct_ref_seq_dif.details 
_struct_ref_seq_dif.pdbx_auth_seq_num 
_struct_ref_seq_dif.pdbx_ordinal 
1 1K6U ALA A 11 ? UNP P00974 THR 46 'engineered mutation' 11 1 
1 1K6U ALA A 13 ? UNP P00974 PRO 48 'engineered mutation' 13 2 
1 1K6U ARG A 15 ? UNP P00974 LYS 50 'engineered mutation' 15 3 
1 1K6U LEU A 52 ? UNP P00974 MET 87 'engineered mutation' 52 4 
# 
_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,D,E,F,G,H,I,J,K 
# 
_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 
# 
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 PRO A 2  ? GLU A 7  ? PRO A 2  GLU A 7  5 ? 6  
HELX_P HELX_P2 2 SER A 47 ? GLY A 56 ? SER A 47 GLY A 56 1 ? 10 
# 
_struct_conf_type.id          HELX_P 
_struct_conf_type.criteria    ? 
_struct_conf_type.reference   ? 
# 
loop_
_struct_conn.id 
_struct_conn.conn_type_id 
_struct_conn.pdbx_leaving_atom_flag 
_struct_conn.pdbx_PDB_id 
_struct_conn.ptnr1_label_asym_id 
_struct_conn.ptnr1_label_comp_id 
_struct_conn.ptnr1_label_seq_id 
_struct_conn.ptnr1_label_atom_id 
_struct_conn.pdbx_ptnr1_label_alt_id 
_struct_conn.pdbx_ptnr1_PDB_ins_code 
_struct_conn.pdbx_ptnr1_standard_comp_id 
_struct_conn.ptnr1_symmetry 
_struct_conn.ptnr2_label_asym_id 
_struct_conn.ptnr2_label_comp_id 
_struct_conn.ptnr2_label_seq_id 
_struct_conn.ptnr2_label_atom_id 
_struct_conn.pdbx_ptnr2_label_alt_id 
_struct_conn.pdbx_ptnr2_PDB_ins_code 
_struct_conn.ptnr1_auth_asym_id 
_struct_conn.ptnr1_auth_comp_id 
_struct_conn.ptnr1_auth_seq_id 
_struct_conn.ptnr2_auth_asym_id 
_struct_conn.ptnr2_auth_comp_id 
_struct_conn.ptnr2_auth_seq_id 
_struct_conn.ptnr2_symmetry 
_struct_conn.pdbx_ptnr3_label_atom_id 
_struct_conn.pdbx_ptnr3_label_seq_id 
_struct_conn.pdbx_ptnr3_label_comp_id 
_struct_conn.pdbx_ptnr3_label_asym_id 
_struct_conn.pdbx_ptnr3_label_alt_id 
_struct_conn.pdbx_ptnr3_PDB_ins_code 
_struct_conn.details 
_struct_conn.pdbx_dist_value 
_struct_conn.pdbx_value_order 
_struct_conn.pdbx_role 
disulf1 disulf ?    ? A CYS 5  SG ? ? ? 1_555 A CYS 55 SG ? ? A CYS 5  A CYS 55 1_555 ? ? ? ? ? ? ? 2.043 ? ? 
disulf2 disulf ?    ? A CYS 14 SG ? ? ? 1_555 A CYS 38 SG A ? A CYS 14 A CYS 38 1_555 ? ? ? ? ? ? ? 1.908 ? ? 
disulf3 disulf ?    ? A CYS 14 SG ? ? ? 1_555 A CYS 38 SG B ? A CYS 14 A CYS 38 1_555 ? ? ? ? ? ? ? 2.176 ? ? 
disulf4 disulf ?    ? A CYS 30 SG ? ? ? 1_555 A CYS 51 SG ? ? A CYS 30 A CYS 51 1_555 ? ? ? ? ? ? ? 2.027 ? ? 
covale1 covale both ? A ARG 1  N  ? ? ? 1_555 A ALA 58 C  ? ? A ARG 1  A ALA 58 1_555 ? ? ? ? ? ? ? 1.327 ? ? 
# 
loop_
_struct_conn_type.id 
_struct_conn_type.criteria 
_struct_conn_type.reference 
disulf ? ? 
covale ? ? 
# 
loop_
_pdbx_modification_feature.ordinal 
_pdbx_modification_feature.label_comp_id 
_pdbx_modification_feature.label_asym_id 
_pdbx_modification_feature.label_seq_id 
_pdbx_modification_feature.label_alt_id 
_pdbx_modification_feature.modified_residue_label_comp_id 
_pdbx_modification_feature.modified_residue_label_asym_id 
_pdbx_modification_feature.modified_residue_label_seq_id 
_pdbx_modification_feature.modified_residue_label_alt_id 
_pdbx_modification_feature.auth_comp_id 
_pdbx_modification_feature.auth_asym_id 
_pdbx_modification_feature.auth_seq_id 
_pdbx_modification_feature.PDB_ins_code 
_pdbx_modification_feature.symmetry 
_pdbx_modification_feature.modified_residue_auth_comp_id 
_pdbx_modification_feature.modified_residue_auth_asym_id 
_pdbx_modification_feature.modified_residue_auth_seq_id 
_pdbx_modification_feature.modified_residue_PDB_ins_code 
_pdbx_modification_feature.modified_residue_symmetry 
_pdbx_modification_feature.comp_id_linking_atom 
_pdbx_modification_feature.modified_residue_id_linking_atom 
_pdbx_modification_feature.modified_residue_id 
_pdbx_modification_feature.ref_pcm_id 
_pdbx_modification_feature.ref_comp_id 
_pdbx_modification_feature.type 
_pdbx_modification_feature.category 
1 CYS A 5  ? CYS A 55 ? CYS A 5  ? 1_555 CYS A 55 ? 1_555 SG SG . . . None 'Disulfide bridge'     
2 CYS A 14 ? CYS A 38 A CYS A 14 ? 1_555 CYS A 38 ? 1_555 SG SG . . . None 'Disulfide bridge'     
3 CYS A 14 ? CYS A 38 B CYS A 14 ? 1_555 CYS A 38 ? 1_555 SG SG . . . None 'Disulfide bridge'     
4 CYS A 30 ? CYS A 51 ? CYS A 30 ? 1_555 CYS A 51 ? 1_555 SG SG . . . None 'Disulfide bridge'     
5 ARG A 1  ? ALA A 58 ? ARG A 1  ? 1_555 ALA A 58 ? 1_555 N  C  . . . None 'Non-standard linkage' 
# 
_struct_sheet.id               A 
_struct_sheet.type             ? 
_struct_sheet.number_strands   2 
_struct_sheet.details          ? 
# 
_struct_sheet_order.sheet_id     A 
_struct_sheet_order.range_id_1   1 
_struct_sheet_order.range_id_2   2 
_struct_sheet_order.offset       ? 
_struct_sheet_order.sense        anti-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 
A 1 ILE A 18 ? ASN A 24 ? ILE A 18 ASN A 24 
A 2 LEU A 29 ? TYR A 35 ? LEU A 29 TYR A 35 
# 
_pdbx_struct_sheet_hbond.sheet_id                A 
_pdbx_struct_sheet_hbond.range_id_1              1 
_pdbx_struct_sheet_hbond.range_id_2              2 
_pdbx_struct_sheet_hbond.range_1_label_atom_id   N 
_pdbx_struct_sheet_hbond.range_1_label_comp_id   ILE 
_pdbx_struct_sheet_hbond.range_1_label_asym_id   A 
_pdbx_struct_sheet_hbond.range_1_label_seq_id    18 
_pdbx_struct_sheet_hbond.range_1_PDB_ins_code    ? 
_pdbx_struct_sheet_hbond.range_1_auth_atom_id    N 
_pdbx_struct_sheet_hbond.range_1_auth_comp_id    ILE 
_pdbx_struct_sheet_hbond.range_1_auth_asym_id    A 
_pdbx_struct_sheet_hbond.range_1_auth_seq_id     18 
_pdbx_struct_sheet_hbond.range_2_label_atom_id   O 
_pdbx_struct_sheet_hbond.range_2_label_comp_id   TYR 
_pdbx_struct_sheet_hbond.range_2_label_asym_id   A 
_pdbx_struct_sheet_hbond.range_2_label_seq_id    35 
_pdbx_struct_sheet_hbond.range_2_PDB_ins_code    ? 
_pdbx_struct_sheet_hbond.range_2_auth_atom_id    O 
_pdbx_struct_sheet_hbond.range_2_auth_comp_id    TYR 
_pdbx_struct_sheet_hbond.range_2_auth_asym_id    A 
_pdbx_struct_sheet_hbond.range_2_auth_seq_id     35 
# 
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 
AC1 Software A SO4 59 ? 8  'BINDING SITE FOR RESIDUE SO4 A 59' 
AC2 Software A SO4 60 ? 11 'BINDING SITE FOR RESIDUE SO4 A 60' 
AC3 Software A SO4 61 ? 3  'BINDING SITE FOR RESIDUE SO4 A 61' 
AC4 Software A SO4 62 ? 8  'BINDING SITE FOR RESIDUE SO4 A 62' 
AC5 Software A SO4 63 ? 4  'BINDING SITE FOR RESIDUE SO4 A 63' 
AC6 Software A SO4 64 ? 8  'BINDING SITE FOR RESIDUE SO4 A 64' 
AC7 Software A SO4 65 ? 2  'BINDING SITE FOR RESIDUE SO4 A 65' 
AC8 Software A EDO 66 ? 4  'BINDING SITE FOR RESIDUE EDO A 66' 
AC9 Software A EDO 67 ? 3  'BINDING SITE FOR RESIDUE EDO A 67' 
# 
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 8  PHE A 4  ? PHE A 4   . ? 1_555 ? 
2  AC1 8  GLU A 7  ? GLU A 7   . ? 1_555 ? 
3  AC1 8  ARG A 42 ? ARG A 42  . ? 1_555 ? 
4  AC1 8  HOH K .  ? HOH A 109 . ? 1_555 ? 
5  AC1 8  HOH K .  ? HOH A 125 . ? 1_555 ? 
6  AC1 8  HOH K .  ? HOH A 137 . ? 1_555 ? 
7  AC1 8  HOH K .  ? HOH A 138 . ? 1_555 ? 
8  AC1 8  HOH K .  ? HOH A 209 . ? 1_555 ? 
9  AC2 11 ARG A 20 ? ARG A 20  . ? 1_555 ? 
10 AC2 11 TYR A 35 ? TYR A 35  . ? 1_555 ? 
11 AC2 11 GLY A 37 ? GLY A 37  . ? 1_555 ? 
12 AC2 11 ALA A 40 ? ALA A 40  . ? 1_555 ? 
13 AC2 11 ARG A 53 ? ARG A 53  . ? 8_665 ? 
14 AC2 11 HOH K .  ? HOH A 124 . ? 1_555 ? 
15 AC2 11 HOH K .  ? HOH A 160 . ? 1_555 ? 
16 AC2 11 HOH K .  ? HOH A 188 . ? 1_555 ? 
17 AC2 11 HOH K .  ? HOH A 191 . ? 8_665 ? 
18 AC2 11 HOH K .  ? HOH A 199 . ? 1_555 ? 
19 AC2 11 HOH K .  ? HOH A 221 . ? 1_555 ? 
20 AC3 3  ARG A 15 ? ARG A 15  . ? 1_555 ? 
21 AC3 3  HOH K .  ? HOH A 150 . ? 1_555 ? 
22 AC3 3  HOH K .  ? HOH A 234 . ? 1_555 ? 
23 AC4 8  CYS A 38 ? CYS A 38  . ? 1_555 ? 
24 AC4 8  ARG A 39 ? ARG A 39  . ? 1_555 ? 
25 AC4 8  HOH K .  ? HOH A 124 . ? 1_555 ? 
26 AC4 8  HOH K .  ? HOH A 154 . ? 1_555 ? 
27 AC4 8  HOH K .  ? HOH A 196 . ? 1_555 ? 
28 AC4 8  HOH K .  ? HOH A 207 . ? 1_555 ? 
29 AC4 8  HOH K .  ? HOH A 221 . ? 1_555 ? 
30 AC4 8  HOH K .  ? HOH A 244 . ? 1_555 ? 
31 AC5 4  ARG A 1  ? ARG A 1   . ? 1_555 ? 
32 AC5 4  LYS A 26 ? LYS A 26  . ? 3_644 ? 
33 AC5 4  HOH K .  ? HOH A 115 . ? 1_555 ? 
34 AC5 4  HOH K .  ? HOH A 219 . ? 1_555 ? 
35 AC6 8  PRO A 9  ? PRO A 9   . ? 1_555 ? 
36 AC6 8  TYR A 10 ? TYR A 10  . ? 1_555 ? 
37 AC6 8  ALA A 11 ? ALA A 11  . ? 1_555 ? 
38 AC6 8  HOH K .  ? HOH A 101 . ? 1_555 ? 
39 AC6 8  HOH K .  ? HOH A 102 . ? 1_555 ? 
40 AC6 8  HOH K .  ? HOH A 103 . ? 1_555 ? 
41 AC6 8  HOH K .  ? HOH A 153 . ? 1_555 ? 
42 AC6 8  HOH K .  ? HOH A 216 . ? 1_555 ? 
43 AC7 2  PRO A 2  ? PRO A 2   . ? 1_555 ? 
44 AC7 2  ASP A 3  ? ASP A 3   . ? 1_555 ? 
45 AC8 4  ARG A 39 ? ARG A 39  . ? 1_555 ? 
46 AC8 4  ALA A 40 ? ALA A 40  . ? 1_555 ? 
47 AC8 4  LYS A 41 ? LYS A 41  . ? 1_555 ? 
48 AC8 4  HOH K .  ? HOH A 145 . ? 1_555 ? 
49 AC9 3  ALA A 25 ? ALA A 25  . ? 1_555 ? 
50 AC9 3  LEU A 52 ? LEU A 52  . ? 4_565 ? 
51 AC9 3  HOH K .  ? HOH A 158 . ? 1_555 ? 
# 
_pdbx_entry_details.entry_id                   1K6U 
_pdbx_entry_details.compound_details           ? 
_pdbx_entry_details.source_details             ? 
_pdbx_entry_details.nonpolymer_details         ? 
_pdbx_entry_details.sequence_details           ? 
_pdbx_entry_details.has_ligand_of_interest     ? 
_pdbx_entry_details.has_protein_modification   Y 
# 
_pdbx_validate_close_contact.id               1 
_pdbx_validate_close_contact.PDB_model_num    1 
_pdbx_validate_close_contact.auth_atom_id_1   O2 
_pdbx_validate_close_contact.auth_asym_id_1   A 
_pdbx_validate_close_contact.auth_comp_id_1   EDO 
_pdbx_validate_close_contact.auth_seq_id_1    66 
_pdbx_validate_close_contact.PDB_ins_code_1   ? 
_pdbx_validate_close_contact.label_alt_id_1   ? 
_pdbx_validate_close_contact.auth_atom_id_2   O 
_pdbx_validate_close_contact.auth_asym_id_2   A 
_pdbx_validate_close_contact.auth_comp_id_2   HOH 
_pdbx_validate_close_contact.auth_seq_id_2    145 
_pdbx_validate_close_contact.PDB_ins_code_2   ? 
_pdbx_validate_close_contact.label_alt_id_2   ? 
_pdbx_validate_close_contact.dist             2.14 
# 
loop_
_pdbx_validate_rmsd_angle.id 
_pdbx_validate_rmsd_angle.PDB_model_num 
_pdbx_validate_rmsd_angle.auth_atom_id_1 
_pdbx_validate_rmsd_angle.auth_asym_id_1 
_pdbx_validate_rmsd_angle.auth_comp_id_1 
_pdbx_validate_rmsd_angle.auth_seq_id_1 
_pdbx_validate_rmsd_angle.PDB_ins_code_1 
_pdbx_validate_rmsd_angle.label_alt_id_1 
_pdbx_validate_rmsd_angle.auth_atom_id_2 
_pdbx_validate_rmsd_angle.auth_asym_id_2 
_pdbx_validate_rmsd_angle.auth_comp_id_2 
_pdbx_validate_rmsd_angle.auth_seq_id_2 
_pdbx_validate_rmsd_angle.PDB_ins_code_2 
_pdbx_validate_rmsd_angle.label_alt_id_2 
_pdbx_validate_rmsd_angle.auth_atom_id_3 
_pdbx_validate_rmsd_angle.auth_asym_id_3 
_pdbx_validate_rmsd_angle.auth_comp_id_3 
_pdbx_validate_rmsd_angle.auth_seq_id_3 
_pdbx_validate_rmsd_angle.PDB_ins_code_3 
_pdbx_validate_rmsd_angle.label_alt_id_3 
_pdbx_validate_rmsd_angle.angle_value 
_pdbx_validate_rmsd_angle.angle_target_value 
_pdbx_validate_rmsd_angle.angle_deviation 
_pdbx_validate_rmsd_angle.angle_standard_deviation 
_pdbx_validate_rmsd_angle.linker_flag 
1 1 CD A ARG 1  ? B NE A ARG 1  ? B CZ  A ARG 1  ? B 133.01 123.60 9.41  1.40 N 
2 1 CD A ARG 17 ? B NE A ARG 17 ? B CZ  A ARG 17 ? B 132.89 123.60 9.29  1.40 N 
3 1 NE A ARG 17 ? A CZ A ARG 17 ? A NH1 A ARG 17 ? A 124.66 120.30 4.36  0.50 N 
4 1 NE A ARG 17 ? A CZ A ARG 17 ? A NH2 A ARG 17 ? A 113.47 120.30 -6.83 0.50 N 
5 1 CA A CYS 38 ? ? CB A CYS 38 ? A SG  A CYS 38 ? A 121.26 114.20 7.06  1.10 N 
6 1 CD A ARG 39 ? A NE A ARG 39 ? A CZ  A ARG 39 ? A 136.43 123.60 12.83 1.40 N 
7 1 CD A ARG 39 ? B NE A ARG 39 ? B CZ  A ARG 39 ? B 141.02 123.60 17.42 1.40 N 
8 1 NE A ARG 39 ? A CZ A ARG 39 ? A NH1 A ARG 39 ? A 124.35 120.30 4.05  0.50 N 
# 
_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     44 
_pdbx_validate_torsion.PDB_ins_code    ? 
_pdbx_validate_torsion.label_alt_id    ? 
_pdbx_validate_torsion.phi             -161.26 
_pdbx_validate_torsion.psi             107.82 
# 
loop_
_pdbx_struct_special_symmetry.id 
_pdbx_struct_special_symmetry.PDB_model_num 
_pdbx_struct_special_symmetry.auth_asym_id 
_pdbx_struct_special_symmetry.auth_comp_id 
_pdbx_struct_special_symmetry.auth_seq_id 
_pdbx_struct_special_symmetry.PDB_ins_code 
_pdbx_struct_special_symmetry.label_asym_id 
_pdbx_struct_special_symmetry.label_comp_id 
_pdbx_struct_special_symmetry.label_seq_id 
1 1 A SO4 61  ? D SO4 . 
2 1 A SO4 65  ? H SO4 . 
3 1 A HOH 170 ? K HOH . 
4 1 A HOH 181 ? K HOH . 
5 1 A HOH 189 ? K HOH . 
# 
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  
CYS N    N N N 74  
CYS CA   C N R 75  
CYS C    C N N 76  
CYS O    O N N 77  
CYS CB   C N N 78  
CYS SG   S N N 79  
CYS OXT  O N N 80  
CYS H    H N N 81  
CYS H2   H N N 82  
CYS HA   H N N 83  
CYS HB2  H N N 84  
CYS HB3  H N N 85  
CYS HG   H N N 86  
CYS HXT  H N N 87  
EDO C1   C N N 88  
EDO O1   O N N 89  
EDO C2   C N N 90  
EDO O2   O N N 91  
EDO H11  H N N 92  
EDO H12  H N N 93  
EDO HO1  H N N 94  
EDO H21  H N N 95  
EDO H22  H N N 96  
EDO HO2  H N N 97  
GLN N    N N N 98  
GLN CA   C N S 99  
GLN C    C N N 100 
GLN O    O N N 101 
GLN CB   C N N 102 
GLN CG   C N N 103 
GLN CD   C N N 104 
GLN OE1  O N N 105 
GLN NE2  N N N 106 
GLN OXT  O N N 107 
GLN H    H N N 108 
GLN H2   H N N 109 
GLN HA   H N N 110 
GLN HB2  H N N 111 
GLN HB3  H N N 112 
GLN HG2  H N N 113 
GLN HG3  H N N 114 
GLN HE21 H N N 115 
GLN HE22 H N N 116 
GLN HXT  H N N 117 
GLU N    N N N 118 
GLU CA   C N S 119 
GLU C    C N N 120 
GLU O    O N N 121 
GLU CB   C N N 122 
GLU CG   C N N 123 
GLU CD   C N N 124 
GLU OE1  O N N 125 
GLU OE2  O N N 126 
GLU OXT  O N N 127 
GLU H    H N N 128 
GLU H2   H N N 129 
GLU HA   H N N 130 
GLU HB2  H N N 131 
GLU HB3  H N N 132 
GLU HG2  H N N 133 
GLU HG3  H N N 134 
GLU HE2  H N N 135 
GLU HXT  H N N 136 
GLY N    N N N 137 
GLY CA   C N N 138 
GLY C    C N N 139 
GLY O    O N N 140 
GLY OXT  O N N 141 
GLY H    H N N 142 
GLY H2   H N N 143 
GLY HA2  H N N 144 
GLY HA3  H N N 145 
GLY HXT  H N N 146 
HOH O    O N N 147 
HOH H1   H N N 148 
HOH H2   H N N 149 
ILE N    N N N 150 
ILE CA   C N S 151 
ILE C    C N N 152 
ILE O    O N N 153 
ILE CB   C N S 154 
ILE CG1  C N N 155 
ILE CG2  C N N 156 
ILE CD1  C N N 157 
ILE OXT  O N N 158 
ILE H    H N N 159 
ILE H2   H N N 160 
ILE HA   H N N 161 
ILE HB   H N N 162 
ILE HG12 H N N 163 
ILE HG13 H N N 164 
ILE HG21 H N N 165 
ILE HG22 H N N 166 
ILE HG23 H N N 167 
ILE HD11 H N N 168 
ILE HD12 H N N 169 
ILE HD13 H N N 170 
ILE HXT  H N N 171 
LEU N    N N N 172 
LEU CA   C N S 173 
LEU C    C N N 174 
LEU O    O N N 175 
LEU CB   C N N 176 
LEU CG   C N N 177 
LEU CD1  C N N 178 
LEU CD2  C N N 179 
LEU OXT  O N N 180 
LEU H    H N N 181 
LEU H2   H N N 182 
LEU HA   H N N 183 
LEU HB2  H N N 184 
LEU HB3  H N N 185 
LEU HG   H N N 186 
LEU HD11 H N N 187 
LEU HD12 H N N 188 
LEU HD13 H N N 189 
LEU HD21 H N N 190 
LEU HD22 H N N 191 
LEU HD23 H N N 192 
LEU HXT  H N N 193 
LYS N    N N N 194 
LYS CA   C N S 195 
LYS C    C N N 196 
LYS O    O N N 197 
LYS CB   C N N 198 
LYS CG   C N N 199 
LYS CD   C N N 200 
LYS CE   C N N 201 
LYS NZ   N N N 202 
LYS OXT  O N N 203 
LYS H    H N N 204 
LYS H2   H N N 205 
LYS HA   H N N 206 
LYS HB2  H N N 207 
LYS HB3  H N N 208 
LYS HG2  H N N 209 
LYS HG3  H N N 210 
LYS HD2  H N N 211 
LYS HD3  H N N 212 
LYS HE2  H N N 213 
LYS HE3  H N N 214 
LYS HZ1  H N N 215 
LYS HZ2  H N N 216 
LYS HZ3  H N N 217 
LYS HXT  H N N 218 
MET N    N N N 219 
MET CA   C N S 220 
MET C    C N N 221 
MET O    O N N 222 
MET CB   C N N 223 
MET CG   C N N 224 
MET SD   S N N 225 
MET CE   C N N 226 
MET OXT  O N N 227 
MET H    H N N 228 
MET H2   H N N 229 
MET HA   H N N 230 
MET HB2  H N N 231 
MET HB3  H N N 232 
MET HG2  H N N 233 
MET HG3  H N N 234 
MET HE1  H N N 235 
MET HE2  H N N 236 
MET HE3  H N N 237 
MET HXT  H N N 238 
PHE N    N N N 239 
PHE CA   C N S 240 
PHE C    C N N 241 
PHE O    O N N 242 
PHE CB   C N N 243 
PHE CG   C Y N 244 
PHE CD1  C Y N 245 
PHE CD2  C Y N 246 
PHE CE1  C Y N 247 
PHE CE2  C Y N 248 
PHE CZ   C Y N 249 
PHE OXT  O N N 250 
PHE H    H N N 251 
PHE H2   H N N 252 
PHE HA   H N N 253 
PHE HB2  H N N 254 
PHE HB3  H N N 255 
PHE HD1  H N N 256 
PHE HD2  H N N 257 
PHE HE1  H N N 258 
PHE HE2  H N N 259 
PHE HZ   H N N 260 
PHE HXT  H N N 261 
PRO N    N N N 262 
PRO CA   C N S 263 
PRO C    C N N 264 
PRO O    O N N 265 
PRO CB   C N N 266 
PRO CG   C N N 267 
PRO CD   C N N 268 
PRO OXT  O N N 269 
PRO H    H N N 270 
PRO HA   H N N 271 
PRO HB2  H N N 272 
PRO HB3  H N N 273 
PRO HG2  H N N 274 
PRO HG3  H N N 275 
PRO HD2  H N N 276 
PRO HD3  H N N 277 
PRO HXT  H N N 278 
SER N    N N N 279 
SER CA   C N S 280 
SER C    C N N 281 
SER O    O N N 282 
SER CB   C N N 283 
SER OG   O N N 284 
SER OXT  O N N 285 
SER H    H N N 286 
SER H2   H N N 287 
SER HA   H N N 288 
SER HB2  H N N 289 
SER HB3  H N N 290 
SER HG   H N N 291 
SER HXT  H N N 292 
SO4 S    S N N 293 
SO4 O1   O N N 294 
SO4 O2   O N N 295 
SO4 O3   O N N 296 
SO4 O4   O N N 297 
THR N    N N N 298 
THR CA   C N S 299 
THR C    C N N 300 
THR O    O N N 301 
THR CB   C N R 302 
THR OG1  O N N 303 
THR CG2  C N N 304 
THR OXT  O N N 305 
THR H    H N N 306 
THR H2   H N N 307 
THR HA   H N N 308 
THR HB   H N N 309 
THR HG1  H N N 310 
THR HG21 H N N 311 
THR HG22 H N N 312 
THR HG23 H N N 313 
THR HXT  H N N 314 
TYR N    N N N 315 
TYR CA   C N S 316 
TYR C    C N N 317 
TYR O    O N N 318 
TYR CB   C N N 319 
TYR CG   C Y N 320 
TYR CD1  C Y N 321 
TYR CD2  C Y N 322 
TYR CE1  C Y N 323 
TYR CE2  C Y N 324 
TYR CZ   C Y N 325 
TYR OH   O N N 326 
TYR OXT  O N N 327 
TYR H    H N N 328 
TYR H2   H N N 329 
TYR HA   H N N 330 
TYR HB2  H N N 331 
TYR HB3  H N N 332 
TYR HD1  H N N 333 
TYR HD2  H N N 334 
TYR HE1  H N N 335 
TYR HE2  H N N 336 
TYR HH   H N N 337 
TYR HXT  H N N 338 
VAL N    N N N 339 
VAL CA   C N S 340 
VAL C    C N N 341 
VAL O    O N N 342 
VAL CB   C N N 343 
VAL CG1  C N N 344 
VAL CG2  C N N 345 
VAL OXT  O N N 346 
VAL H    H N N 347 
VAL H2   H N N 348 
VAL HA   H N N 349 
VAL HB   H N N 350 
VAL HG11 H N N 351 
VAL HG12 H N N 352 
VAL HG13 H N N 353 
VAL HG21 H N N 354 
VAL HG22 H N N 355 
VAL HG23 H N N 356 
VAL HXT  H N N 357 
# 
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  
CYS N   CA   sing N N 70  
CYS N   H    sing N N 71  
CYS N   H2   sing N N 72  
CYS CA  C    sing N N 73  
CYS CA  CB   sing N N 74  
CYS CA  HA   sing N N 75  
CYS C   O    doub N N 76  
CYS C   OXT  sing N N 77  
CYS CB  SG   sing N N 78  
CYS CB  HB2  sing N N 79  
CYS CB  HB3  sing N N 80  
CYS SG  HG   sing N N 81  
CYS OXT HXT  sing N N 82  
EDO C1  O1   sing N N 83  
EDO C1  C2   sing N N 84  
EDO C1  H11  sing N N 85  
EDO C1  H12  sing N N 86  
EDO O1  HO1  sing N N 87  
EDO C2  O2   sing N N 88  
EDO C2  H21  sing N N 89  
EDO C2  H22  sing N N 90  
EDO O2  HO2  sing N N 91  
GLN N   CA   sing N N 92  
GLN N   H    sing N N 93  
GLN N   H2   sing N N 94  
GLN CA  C    sing N N 95  
GLN CA  CB   sing N N 96  
GLN CA  HA   sing N N 97  
GLN C   O    doub N N 98  
GLN C   OXT  sing N N 99  
GLN CB  CG   sing N N 100 
GLN CB  HB2  sing N N 101 
GLN CB  HB3  sing N N 102 
GLN CG  CD   sing N N 103 
GLN CG  HG2  sing N N 104 
GLN CG  HG3  sing N N 105 
GLN CD  OE1  doub N N 106 
GLN CD  NE2  sing N N 107 
GLN NE2 HE21 sing N N 108 
GLN NE2 HE22 sing N N 109 
GLN OXT HXT  sing N N 110 
GLU N   CA   sing N N 111 
GLU N   H    sing N N 112 
GLU N   H2   sing N N 113 
GLU CA  C    sing N N 114 
GLU CA  CB   sing N N 115 
GLU CA  HA   sing N N 116 
GLU C   O    doub N N 117 
GLU C   OXT  sing N N 118 
GLU CB  CG   sing N N 119 
GLU CB  HB2  sing N N 120 
GLU CB  HB3  sing N N 121 
GLU CG  CD   sing N N 122 
GLU CG  HG2  sing N N 123 
GLU CG  HG3  sing N N 124 
GLU CD  OE1  doub N N 125 
GLU CD  OE2  sing N N 126 
GLU OE2 HE2  sing N N 127 
GLU OXT HXT  sing N N 128 
GLY N   CA   sing N N 129 
GLY N   H    sing N N 130 
GLY N   H2   sing N N 131 
GLY CA  C    sing N N 132 
GLY CA  HA2  sing N N 133 
GLY CA  HA3  sing N N 134 
GLY C   O    doub N N 135 
GLY C   OXT  sing N N 136 
GLY OXT HXT  sing N N 137 
HOH O   H1   sing N N 138 
HOH O   H2   sing N N 139 
ILE N   CA   sing N N 140 
ILE N   H    sing N N 141 
ILE N   H2   sing N N 142 
ILE CA  C    sing N N 143 
ILE CA  CB   sing N N 144 
ILE CA  HA   sing N N 145 
ILE C   O    doub N N 146 
ILE C   OXT  sing N N 147 
ILE CB  CG1  sing N N 148 
ILE CB  CG2  sing N N 149 
ILE CB  HB   sing N N 150 
ILE CG1 CD1  sing N N 151 
ILE CG1 HG12 sing N N 152 
ILE CG1 HG13 sing N N 153 
ILE CG2 HG21 sing N N 154 
ILE CG2 HG22 sing N N 155 
ILE CG2 HG23 sing N N 156 
ILE CD1 HD11 sing N N 157 
ILE CD1 HD12 sing N N 158 
ILE CD1 HD13 sing N N 159 
ILE OXT HXT  sing N N 160 
LEU N   CA   sing N N 161 
LEU N   H    sing N N 162 
LEU N   H2   sing N N 163 
LEU CA  C    sing N N 164 
LEU CA  CB   sing N N 165 
LEU CA  HA   sing N N 166 
LEU C   O    doub N N 167 
LEU C   OXT  sing N N 168 
LEU CB  CG   sing N N 169 
LEU CB  HB2  sing N N 170 
LEU CB  HB3  sing N N 171 
LEU CG  CD1  sing N N 172 
LEU CG  CD2  sing N N 173 
LEU CG  HG   sing N N 174 
LEU CD1 HD11 sing N N 175 
LEU CD1 HD12 sing N N 176 
LEU CD1 HD13 sing N N 177 
LEU CD2 HD21 sing N N 178 
LEU CD2 HD22 sing N N 179 
LEU CD2 HD23 sing N N 180 
LEU OXT HXT  sing N N 181 
LYS N   CA   sing N N 182 
LYS N   H    sing N N 183 
LYS N   H2   sing N N 184 
LYS CA  C    sing N N 185 
LYS CA  CB   sing N N 186 
LYS CA  HA   sing N N 187 
LYS C   O    doub N N 188 
LYS C   OXT  sing N N 189 
LYS CB  CG   sing N N 190 
LYS CB  HB2  sing N N 191 
LYS CB  HB3  sing N N 192 
LYS CG  CD   sing N N 193 
LYS CG  HG2  sing N N 194 
LYS CG  HG3  sing N N 195 
LYS CD  CE   sing N N 196 
LYS CD  HD2  sing N N 197 
LYS CD  HD3  sing N N 198 
LYS CE  NZ   sing N N 199 
LYS CE  HE2  sing N N 200 
LYS CE  HE3  sing N N 201 
LYS NZ  HZ1  sing N N 202 
LYS NZ  HZ2  sing N N 203 
LYS NZ  HZ3  sing N N 204 
LYS OXT HXT  sing N N 205 
MET N   CA   sing N N 206 
MET N   H    sing N N 207 
MET N   H2   sing N N 208 
MET CA  C    sing N N 209 
MET CA  CB   sing N N 210 
MET CA  HA   sing N N 211 
MET C   O    doub N N 212 
MET C   OXT  sing N N 213 
MET CB  CG   sing N N 214 
MET CB  HB2  sing N N 215 
MET CB  HB3  sing N N 216 
MET CG  SD   sing N N 217 
MET CG  HG2  sing N N 218 
MET CG  HG3  sing N N 219 
MET SD  CE   sing N N 220 
MET CE  HE1  sing N N 221 
MET CE  HE2  sing N N 222 
MET CE  HE3  sing N N 223 
MET OXT HXT  sing N N 224 
PHE N   CA   sing N N 225 
PHE N   H    sing N N 226 
PHE N   H2   sing N N 227 
PHE CA  C    sing N N 228 
PHE CA  CB   sing N N 229 
PHE CA  HA   sing N N 230 
PHE C   O    doub N N 231 
PHE C   OXT  sing N N 232 
PHE CB  CG   sing N N 233 
PHE CB  HB2  sing N N 234 
PHE CB  HB3  sing N N 235 
PHE CG  CD1  doub Y N 236 
PHE CG  CD2  sing Y N 237 
PHE CD1 CE1  sing Y N 238 
PHE CD1 HD1  sing N N 239 
PHE CD2 CE2  doub Y N 240 
PHE CD2 HD2  sing N N 241 
PHE CE1 CZ   doub Y N 242 
PHE CE1 HE1  sing N N 243 
PHE CE2 CZ   sing Y N 244 
PHE CE2 HE2  sing N N 245 
PHE CZ  HZ   sing N N 246 
PHE OXT HXT  sing N N 247 
PRO N   CA   sing N N 248 
PRO N   CD   sing N N 249 
PRO N   H    sing N N 250 
PRO CA  C    sing N N 251 
PRO CA  CB   sing N N 252 
PRO CA  HA   sing N N 253 
PRO C   O    doub N N 254 
PRO C   OXT  sing N N 255 
PRO CB  CG   sing N N 256 
PRO CB  HB2  sing N N 257 
PRO CB  HB3  sing N N 258 
PRO CG  CD   sing N N 259 
PRO CG  HG2  sing N N 260 
PRO CG  HG3  sing N N 261 
PRO CD  HD2  sing N N 262 
PRO CD  HD3  sing N N 263 
PRO OXT HXT  sing N N 264 
SER N   CA   sing N N 265 
SER N   H    sing N N 266 
SER N   H2   sing N N 267 
SER CA  C    sing N N 268 
SER CA  CB   sing N N 269 
SER CA  HA   sing N N 270 
SER C   O    doub N N 271 
SER C   OXT  sing N N 272 
SER CB  OG   sing N N 273 
SER CB  HB2  sing N N 274 
SER CB  HB3  sing N N 275 
SER OG  HG   sing N N 276 
SER OXT HXT  sing N N 277 
SO4 S   O1   doub N N 278 
SO4 S   O2   doub N N 279 
SO4 S   O3   sing N N 280 
SO4 S   O4   sing N N 281 
THR N   CA   sing N N 282 
THR N   H    sing N N 283 
THR N   H2   sing N N 284 
THR CA  C    sing N N 285 
THR CA  CB   sing N N 286 
THR CA  HA   sing N N 287 
THR C   O    doub N N 288 
THR C   OXT  sing N N 289 
THR CB  OG1  sing N N 290 
THR CB  CG2  sing N N 291 
THR CB  HB   sing N N 292 
THR OG1 HG1  sing N N 293 
THR CG2 HG21 sing N N 294 
THR CG2 HG22 sing N N 295 
THR CG2 HG23 sing N N 296 
THR OXT HXT  sing N N 297 
TYR N   CA   sing N N 298 
TYR N   H    sing N N 299 
TYR N   H2   sing N N 300 
TYR CA  C    sing N N 301 
TYR CA  CB   sing N N 302 
TYR CA  HA   sing N N 303 
TYR C   O    doub N N 304 
TYR C   OXT  sing N N 305 
TYR CB  CG   sing N N 306 
TYR CB  HB2  sing N N 307 
TYR CB  HB3  sing N N 308 
TYR CG  CD1  doub Y N 309 
TYR CG  CD2  sing Y N 310 
TYR CD1 CE1  sing Y N 311 
TYR CD1 HD1  sing N N 312 
TYR CD2 CE2  doub Y N 313 
TYR CD2 HD2  sing N N 314 
TYR CE1 CZ   doub Y N 315 
TYR CE1 HE1  sing N N 316 
TYR CE2 CZ   sing Y N 317 
TYR CE2 HE2  sing N N 318 
TYR CZ  OH   sing N N 319 
TYR OH  HH   sing N N 320 
TYR OXT HXT  sing N N 321 
VAL N   CA   sing N N 322 
VAL N   H    sing N N 323 
VAL N   H2   sing N N 324 
VAL CA  C    sing N N 325 
VAL CA  CB   sing N N 326 
VAL CA  HA   sing N N 327 
VAL C   O    doub N N 328 
VAL C   OXT  sing N N 329 
VAL CB  CG1  sing N N 330 
VAL CB  CG2  sing N N 331 
VAL CB  HB   sing N N 332 
VAL CG1 HG11 sing N N 333 
VAL CG1 HG12 sing N N 334 
VAL CG1 HG13 sing N N 335 
VAL CG2 HG21 sing N N 336 
VAL CG2 HG22 sing N N 337 
VAL CG2 HG23 sing N N 338 
VAL OXT HXT  sing N N 339 
# 
_pdbx_initial_refinement_model.id               1 
_pdbx_initial_refinement_model.entity_id_list   ? 
_pdbx_initial_refinement_model.type             'experimental model' 
_pdbx_initial_refinement_model.source_name      PDB 
_pdbx_initial_refinement_model.accession_code   1G6X 
_pdbx_initial_refinement_model.details          'pdb entry 1g6x' 
# 
_atom_sites.entry_id                    1K6U 
_atom_sites.fract_transf_matrix[1][1]   0.019266 
_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]   0.019266 
_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]   0.023312 
_atom_sites.fract_transf_vector[1]      0.000000 
_atom_sites.fract_transf_vector[2]      0.000000 
_atom_sites.fract_transf_vector[3]      0.000000 
# 
loop_
_atom_type.symbol 
C 
N 
O 
S 
# 
loop_