data_1VIF
# 
_entry.id   1VIF 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.392 
_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   1VIF         pdb_00001vif 10.2210/pdb1vif/pdb 
WWPDB D_1000177042 ?            ?                   
# 
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 1997-10-22 
2 'Structure model' 1 1 2008-03-24 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2023-08-09 
5 'Structure model' 1 4 2024-05-22 
# 
_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 4 'Structure model' Other                       
6 4 'Structure model' 'Refinement description'    
7 5 'Structure model' 'Data collection'           
# 
loop_
_pdbx_audit_revision_category.ordinal 
_pdbx_audit_revision_category.revision_ordinal 
_pdbx_audit_revision_category.data_content_type 
_pdbx_audit_revision_category.category 
1 4 'Structure model' database_2                    
2 4 'Structure model' pdbx_database_status          
3 4 'Structure model' pdbx_initial_refinement_model 
4 4 'Structure model' struct_site                   
5 5 'Structure model' chem_comp_atom                
6 5 'Structure model' chem_comp_bond                
# 
loop_
_pdbx_audit_revision_item.ordinal 
_pdbx_audit_revision_item.revision_ordinal 
_pdbx_audit_revision_item.data_content_type 
_pdbx_audit_revision_item.item 
1 4 'Structure model' '_database_2.pdbx_DOI'                
2 4 'Structure model' '_database_2.pdbx_database_accession' 
3 4 'Structure model' '_pdbx_database_status.process_site'  
4 4 'Structure model' '_struct_site.pdbx_auth_asym_id'      
5 4 'Structure model' '_struct_site.pdbx_auth_comp_id'      
6 4 'Structure model' '_struct_site.pdbx_auth_seq_id'       
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1VIF 
_pdbx_database_status.recvd_initial_deposition_date   1996-10-03 
_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.status_code_nmr_data            ? 
_pdbx_database_status.methods_development_category    ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Narayana, N.'   1 
'Matthews, D.A.' 2 
'Howell, E.E.'   3 
'Xuong, N.-H.'   4 
# 
loop_
_citation.id 
_citation.title 
_citation.journal_abbrev 
_citation.journal_volume 
_citation.page_first 
_citation.page_last 
_citation.year 
_citation.journal_id_ASTM 
_citation.country 
_citation.journal_id_ISSN 
_citation.journal_id_CSD 
_citation.book_publisher 
_citation.pdbx_database_id_PubMed 
_citation.pdbx_database_id_DOI 
primary 'A plasmid-encoded dihydrofolate reductase from trimethoprim-resistant bacteria has a novel D2-symmetric active site.' 
Nat.Struct.Biol.  2   1018  1025 1995 NSBIEW US 1072-8368 2024 ? 7583655 10.1038/nsb1195-1018 
1       'Does R67 Dihydrofolate Reductase Possess a Proton Donor?' Adv.Exp.Med.Biol. 338 493   ?    1993 AEMBAP US 0065-2598 0412 
? ?       ?                    
2       
;Construction of a Synthetic Gene for an R-Plasmid-Encoded Dihydrofolate Reductase and Studies on the Role of the N-Terminus in the Protein
;
Biochemistry      30  10895 ?    1991 BICHAW US 0006-2960 0033 ? ?       ?                    
3       
'Crystal Structure of a Novel Trimethoprim-Resistant Dihydrofolate Reductase Specified in Escherichia Coli by R-Plasmid R67' 
Biochemistry      25  4194  ?    1986 BICHAW US 0006-2960 0033 ? ?       ?                    
4       
'The Amino Acid Sequence of the Trimethoprim-Resistant Dihydrofolate Reductase Specified in Escherichia Coli by R-Plasmid R67' 
J.Biol.Chem.      254 10857 ?    1979 JBCHA3 US 0021-9258 0071 ? ?       ?                    
5       'Trimethoprim Resistance Determined by R Factors' Br.Med.J.         1   726   ?    1972 BMJOAE UK 0007-1447 2110 ? ?       
?                    
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Narayana, N.'     1  ? 
primary 'Matthews, D.A.'   2  ? 
primary 'Howell, E.E.'     3  ? 
primary 'Nguyen-huu, X.'   4  ? 
1       'Holland, J.C.'    5  ? 
1       'Linn, C.E.'       6  ? 
1       'Digiammarino, E.' 7  ? 
1       'Nichols, R.'      8  ? 
1       'Howell, E.E.'     9  ? 
2       'Reece, L.J.'      10 ? 
2       'Nichols, R.'      11 ? 
2       'Ogden, R.C.'      12 ? 
2       'Howell, E.E.'     13 ? 
3       'Matthews, D.A.'   14 ? 
3       'Smith, S.L.'      15 ? 
3       'Baccanari, D.P.'  16 ? 
3       'Burchall, J.J.'   17 ? 
3       'Oatley, S.J.'     18 ? 
3       'Kraut, J.'        19 ? 
4       'Stone, D.'        20 ? 
4       'Smith, S.L.'      21 ? 
5       'Fleming, M.P.'    22 ? 
5       'Datta, N.'        23 ? 
5       'Gruneberg, R.N.'  24 ? 
# 
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 'DIHYDROFOLATE REDUCTASE' 6732.528 1  1.5.1.3 ? ? ? 
2 non-polymer syn 'FOLIC ACID'              441.397  1  ?       ? ? ? 
3 water       nat water                     18.015   44 ?       ? ? ? 
# 
_entity_name_com.entity_id   1 
_entity_name_com.name        'R67 DHFR' 
# 
_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       VFPSNATFGMGDRVRKKSGAAWQGQIVGWYCTNLTPEGYAVESEAHPGSVQIYPVAALERIN 
_entity_poly.pdbx_seq_one_letter_code_can   VFPSNATFGMGDRVRKKSGAAWQGQIVGWYCTNLTPEGYAVESEAHPGSVQIYPVAALERIN 
_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 'FOLIC ACID' FOL 
3 water        HOH 
# 
loop_
_entity_poly_seq.entity_id 
_entity_poly_seq.num 
_entity_poly_seq.mon_id 
_entity_poly_seq.hetero 
1 1  VAL n 
1 2  PHE n 
1 3  PRO n 
1 4  SER n 
1 5  ASN n 
1 6  ALA n 
1 7  THR n 
1 8  PHE n 
1 9  GLY n 
1 10 MET n 
1 11 GLY n 
1 12 ASP n 
1 13 ARG n 
1 14 VAL n 
1 15 ARG n 
1 16 LYS n 
1 17 LYS n 
1 18 SER n 
1 19 GLY n 
1 20 ALA n 
1 21 ALA n 
1 22 TRP n 
1 23 GLN n 
1 24 GLY n 
1 25 GLN n 
1 26 ILE n 
1 27 VAL n 
1 28 GLY n 
1 29 TRP n 
1 30 TYR n 
1 31 CYS n 
1 32 THR n 
1 33 ASN n 
1 34 LEU n 
1 35 THR n 
1 36 PRO n 
1 37 GLU n 
1 38 GLY n 
1 39 TYR n 
1 40 ALA n 
1 41 VAL n 
1 42 GLU n 
1 43 SER n 
1 44 GLU n 
1 45 ALA n 
1 46 HIS n 
1 47 PRO n 
1 48 GLY n 
1 49 SER n 
1 50 VAL n 
1 51 GLN n 
1 52 ILE n 
1 53 TYR n 
1 54 PRO n 
1 55 VAL n 
1 56 ALA n 
1 57 ALA n 
1 58 LEU n 
1 59 GLU n 
1 60 ARG n 
1 61 ILE n 
1 62 ASN 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                 'SYNTHETIC GENE' 
_entity_src_gen.gene_src_species                   ? 
_entity_src_gen.gene_src_strain                    'TMP-RESISTANT, CONTAINING R67 DHFR OVERPRODUCING PLASMID PLZ1' 
_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      'Escherichia coli' 
_entity_src_gen.pdbx_host_org_ncbi_taxonomy_id     562 
_entity_src_gen.host_org_genus                     Escherichia 
_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          BACTERIA 
_entity_src_gen.pdbx_host_org_vector               ? 
_entity_src_gen.host_org_details                   ? 
_entity_src_gen.expression_system_id               ? 
_entity_src_gen.plasmid_name                       PLZ1 
_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 
CYS 'L-peptide linking' y CYSTEINE        ? 'C3 H7 N O2 S'   121.158 
FOL non-polymer         . 'FOLIC ACID'    ? 'C19 H19 N7 O6'  441.397 
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  
HIS 'L-peptide linking' y HISTIDINE       ? 'C6 H10 N3 O2 1' 156.162 
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 
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  VAL 1  17 ?  ?   ?   A . n 
A 1 2  PHE 2  18 ?  ?   ?   A . n 
A 1 3  PRO 3  19 19 PRO PRO A . n 
A 1 4  SER 4  20 20 SER SER A . n 
A 1 5  ASN 5  21 21 ASN ASN A . n 
A 1 6  ALA 6  22 22 ALA ALA A . n 
A 1 7  THR 7  23 23 THR THR A . n 
A 1 8  PHE 8  24 24 PHE PHE A . n 
A 1 9  GLY 9  25 25 GLY GLY A . n 
A 1 10 MET 10 26 26 MET MET A . n 
A 1 11 GLY 11 27 27 GLY GLY A . n 
A 1 12 ASP 12 28 28 ASP ASP A . n 
A 1 13 ARG 13 29 29 ARG ARG A . n 
A 1 14 VAL 14 30 30 VAL VAL A . n 
A 1 15 ARG 15 31 31 ARG ARG A . n 
A 1 16 LYS 16 32 32 LYS LYS A . n 
A 1 17 LYS 17 33 33 LYS LYS A . n 
A 1 18 SER 18 34 34 SER SER A . n 
A 1 19 GLY 19 35 35 GLY GLY A . n 
A 1 20 ALA 20 36 36 ALA ALA A . n 
A 1 21 ALA 21 37 37 ALA ALA A . n 
A 1 22 TRP 22 38 38 TRP TRP A . n 
A 1 23 GLN 23 39 39 GLN GLN A . n 
A 1 24 GLY 24 40 40 GLY GLY A . n 
A 1 25 GLN 25 41 41 GLN GLN A . n 
A 1 26 ILE 26 42 42 ILE ILE A . n 
A 1 27 VAL 27 43 43 VAL VAL A . n 
A 1 28 GLY 28 44 44 GLY GLY A . n 
A 1 29 TRP 29 45 45 TRP TRP A . n 
A 1 30 TYR 30 46 46 TYR TYR A . n 
A 1 31 CYS 31 47 47 CYS CYS A . n 
A 1 32 THR 32 48 48 THR THR A . n 
A 1 33 ASN 33 49 49 ASN ASN A . n 
A 1 34 LEU 34 50 50 LEU LEU A . n 
A 1 35 THR 35 51 51 THR THR A . n 
A 1 36 PRO 36 52 52 PRO PRO A . n 
A 1 37 GLU 37 53 53 GLU GLU A . n 
A 1 38 GLY 38 54 54 GLY GLY A . n 
A 1 39 TYR 39 55 55 TYR TYR A . n 
A 1 40 ALA 40 56 56 ALA ALA A . n 
A 1 41 VAL 41 57 57 VAL VAL A . n 
A 1 42 GLU 42 58 58 GLU GLU A . n 
A 1 43 SER 43 59 59 SER SER A . n 
A 1 44 GLU 44 60 60 GLU GLU A . n 
A 1 45 ALA 45 61 61 ALA ALA A . n 
A 1 46 HIS 46 62 62 HIS HIS A . n 
A 1 47 PRO 47 63 63 PRO PRO A . n 
A 1 48 GLY 48 64 64 GLY GLY A . n 
A 1 49 SER 49 65 65 SER SER A . n 
A 1 50 VAL 50 66 66 VAL VAL A . n 
A 1 51 GLN 51 67 67 GLN GLN A . n 
A 1 52 ILE 52 68 68 ILE ILE A . n 
A 1 53 TYR 53 69 69 TYR TYR A . n 
A 1 54 PRO 54 70 70 PRO PRO A . n 
A 1 55 VAL 55 71 71 VAL VAL A . n 
A 1 56 ALA 56 72 72 ALA ALA A . n 
A 1 57 ALA 57 73 73 ALA ALA A . n 
A 1 58 LEU 58 74 74 LEU LEU A . n 
A 1 59 GLU 59 75 75 GLU GLU A . n 
A 1 60 ARG 60 76 76 ARG ARG A . n 
A 1 61 ILE 61 77 77 ILE ILE A . n 
A 1 62 ASN 62 78 78 ASN ASN 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 FOL 1  1   1   FOL FOL A . 
C 3 HOH 1  81  81  HOH HOH A . 
C 3 HOH 2  82  82  HOH HOH A . 
C 3 HOH 3  83  83  HOH HOH A . 
C 3 HOH 4  84  84  HOH HOH A . 
C 3 HOH 5  85  85  HOH HOH A . 
C 3 HOH 6  86  86  HOH HOH A . 
C 3 HOH 7  87  87  HOH HOH A . 
C 3 HOH 8  88  88  HOH HOH A . 
C 3 HOH 9  89  89  HOH HOH A . 
C 3 HOH 10 90  90  HOH HOH A . 
C 3 HOH 11 91  91  HOH HOH A . 
C 3 HOH 12 92  92  HOH HOH A . 
C 3 HOH 13 93  93  HOH HOH A . 
C 3 HOH 14 94  94  HOH HOH A . 
C 3 HOH 15 95  95  HOH HOH A . 
C 3 HOH 16 96  96  HOH HOH A . 
C 3 HOH 17 97  97  HOH HOH A . 
C 3 HOH 18 98  98  HOH HOH A . 
C 3 HOH 19 99  99  HOH HOH A . 
C 3 HOH 20 100 100 HOH HOH A . 
C 3 HOH 21 101 101 HOH HOH A . 
C 3 HOH 22 102 102 HOH HOH A . 
C 3 HOH 23 103 103 HOH HOH A . 
C 3 HOH 24 104 104 HOH HOH A . 
C 3 HOH 25 105 105 HOH HOH A . 
C 3 HOH 26 106 106 HOH HOH A . 
C 3 HOH 27 107 107 HOH HOH A . 
C 3 HOH 28 108 108 HOH HOH A . 
C 3 HOH 29 109 109 HOH HOH A . 
C 3 HOH 30 110 110 HOH HOH A . 
C 3 HOH 31 111 111 HOH HOH A . 
C 3 HOH 32 112 112 HOH HOH A . 
C 3 HOH 33 113 113 HOH HOH A . 
C 3 HOH 34 114 114 HOH HOH A . 
C 3 HOH 35 115 115 HOH HOH A . 
C 3 HOH 36 116 116 HOH HOH A . 
C 3 HOH 37 117 117 HOH HOH A . 
C 3 HOH 38 118 118 HOH HOH A . 
C 3 HOH 39 119 119 HOH HOH A . 
C 3 HOH 40 120 120 HOH HOH A . 
C 3 HOH 41 121 121 HOH HOH A . 
C 3 HOH 42 122 122 HOH HOH A . 
C 3 HOH 43 123 123 HOH HOH A . 
C 3 HOH 44 124 124 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 N 1 A FOL 1 ? N10 ? B FOL 1 N10 
2  1 N 1 A FOL 1 ? C11 ? B FOL 1 C11 
3  1 N 1 A FOL 1 ? C12 ? B FOL 1 C12 
4  1 N 1 A FOL 1 ? C13 ? B FOL 1 C13 
5  1 N 1 A FOL 1 ? C14 ? B FOL 1 C14 
6  1 N 1 A FOL 1 ? C15 ? B FOL 1 C15 
7  1 N 1 A FOL 1 ? C16 ? B FOL 1 C16 
8  1 N 1 A FOL 1 ? C   ? B FOL 1 C   
9  1 N 1 A FOL 1 ? O   ? B FOL 1 O   
10 1 N 1 A FOL 1 ? N   ? B FOL 1 N   
11 1 N 1 A FOL 1 ? CA  ? B FOL 1 CA  
12 1 N 1 A FOL 1 ? CB  ? B FOL 1 CB  
13 1 N 1 A FOL 1 ? CG  ? B FOL 1 CG  
14 1 N 1 A FOL 1 ? CD  ? B FOL 1 CD  
15 1 N 1 A FOL 1 ? OE1 ? B FOL 1 OE1 
16 1 N 1 A FOL 1 ? OE2 ? B FOL 1 OE2 
17 1 N 1 A FOL 1 ? CT  ? B FOL 1 CT  
18 1 N 1 A FOL 1 ? O1  ? B FOL 1 O1  
19 1 N 1 A FOL 1 ? O2  ? B FOL 1 O2  
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
X-PLOR 'model building' . ? 1 
X-PLOR refinement       . ? 2 
UCSD   'data reduction' . ? 3 
UCSD   'data scaling'   . ? 4 
X-PLOR phasing          . ? 5 
# 
_cell.entry_id           1VIF 
_cell.length_a           68.750 
_cell.length_b           68.750 
_cell.length_c           52.590 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        90.00 
_cell.Z_PDB              16 
_cell.pdbx_unique_axis   ? 
# 
_symmetry.entry_id                         1VIF 
_symmetry.space_group_name_H-M             'I 41 2 2' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     ? 
_symmetry.Int_Tables_number                98 
# 
_exptl.entry_id          1VIF 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   1 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      2.0 
_exptl_crystal.density_percent_sol   40. 
_exptl_crystal.description           ? 
# 
_exptl_crystal_grow.crystal_id      1 
_exptl_crystal_grow.method          'VAPOR DIFFUSION, HANGING DROP' 
_exptl_crystal_grow.temp            ? 
_exptl_crystal_grow.temp_details    ? 
_exptl_crystal_grow.pH              8.0 
_exptl_crystal_grow.pdbx_pH_range   6.8-8.0 
_exptl_crystal_grow.pdbx_details    
;CRYSTALS WERE GROWN FROM HANGING- DROPS CONTAINING PROTEIN AT A FINAL CONCENTRATION OF ABOUT 18 MG/ML, 30 MM FOLATE, 40 MM BICINE BUFFER AT PH 8.0 AND 18% 2-METHYL-2,4-PENTANE DIOL (MPD). DROPS WERE EQUILIBRATED AGAINST A RESERVOIR CONTAINING 100 MM KH2PO4 BUFFER AT PH 6.8 AND 50% MPD. THE CRYSTALS WERE FURTHER SOAKED IN 100 MM FOLATE FOR 3 DAYS., vapor diffusion - hanging drop
;
# 
_diffrn.id                     1 
_diffrn.ambient_temp           277 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_detector.diffrn_id              1 
_diffrn_detector.detector               'AREA DETECTOR' 
_diffrn_detector.type                   'XUONG-HAMLIN MULTIWIRE' 
_diffrn_detector.pdbx_collection_date   1992-03-15 
_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                    'GRAPHITE(002)' 
_diffrn_radiation.pdbx_diffrn_protocol             ? 
_diffrn_radiation.pdbx_scattering_type             x-ray 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   1.5418 
_diffrn_radiation_wavelength.wt           1.0 
# 
_diffrn_source.diffrn_id                   1 
_diffrn_source.source                      'ROTATING ANODE' 
_diffrn_source.type                        'RIGAKU RUH2R' 
_diffrn_source.pdbx_synchrotron_site       ? 
_diffrn_source.pdbx_synchrotron_beamline   ? 
_diffrn_source.pdbx_wavelength             1.5418 
_diffrn_source.pdbx_wavelength_list        ? 
# 
_reflns.entry_id                     1VIF 
_reflns.observed_criterion_sigma_I   2. 
_reflns.observed_criterion_sigma_F   ? 
_reflns.d_resolution_low             10. 
_reflns.d_resolution_high            1.8 
_reflns.number_obs                   6094 
_reflns.number_all                   ? 
_reflns.percent_possible_obs         100. 
_reflns.pdbx_Rmerge_I_obs            ? 
_reflns.pdbx_Rsym_value              0.0550000 
_reflns.pdbx_netI_over_sigmaI        12. 
_reflns.B_iso_Wilson_estimate        10.7 
_reflns.pdbx_redundancy              12. 
_reflns.pdbx_diffrn_id               1 
_reflns.pdbx_ordinal                 1 
# 
_reflns_shell.d_res_high             1.8 
_reflns_shell.d_res_low              1.86 
_reflns_shell.percent_possible_all   100. 
_reflns_shell.Rmerge_I_obs           ? 
_reflns_shell.pdbx_Rsym_value        0.1600000 
_reflns_shell.meanI_over_sigI_obs    2.2 
_reflns_shell.pdbx_redundancy        8. 
_reflns_shell.pdbx_diffrn_id         ? 
_reflns_shell.pdbx_ordinal           1 
# 
_refine.entry_id                                 1VIF 
_refine.ls_number_reflns_obs                     6040 
_refine.ls_number_reflns_all                     ? 
_refine.pdbx_ls_sigma_I                          ? 
_refine.pdbx_ls_sigma_F                          1.0 
_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. 
_refine.ls_d_res_high                            1.8 
_refine.ls_percent_reflns_obs                    100. 
_refine.ls_R_factor_obs                          0.1760000 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_R_work                       0.1760000 
_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                                  ? 
_refine.pdbx_starting_model                      'PDB ENTRY 1VIE' 
_refine.pdbx_method_to_determine_struct          'ISOMORPHOUS REPLACEMENT' 
_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_analyze.entry_id                        1VIF 
_refine_analyze.Luzzati_coordinate_error_obs    0.25 
_refine_analyze.Luzzati_sigma_a_obs             ? 
_refine_analyze.Luzzati_d_res_low_obs           10.0 
_refine_analyze.Luzzati_coordinate_error_free   ? 
_refine_analyze.Luzzati_sigma_a_free            ? 
_refine_analyze.Luzzati_d_res_low_free          ? 
_refine_analyze.number_disordered_residues      ? 
_refine_analyze.occupancy_sum_hydrogen          ? 
_refine_analyze.occupancy_sum_non_hydrogen      ? 
_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        457 
_refine_hist.pdbx_number_atoms_nucleic_acid   0 
_refine_hist.pdbx_number_atoms_ligand         26 
_refine_hist.number_atoms_solvent             44 
_refine_hist.number_atoms_total               527 
_refine_hist.d_res_high                       1.8 
_refine_hist.d_res_low                        10. 
# 
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                0.014 ? ? ? '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             2.5   ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_deg_na          ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_deg_prot        ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_dihedral_angle_d      18.5  ? ? ? '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          1VIF 
_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                  1VIF 
_struct.title                     'STRUCTURE OF DIHYDROFOLATE REDUCTASE' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1VIF 
_struct_keywords.pdbx_keywords   OXIDOREDUCTASE 
_struct_keywords.text            
'OXIDOREDUCTASE, NADP, TRIMETHOPRIM RESISTANCE METHOTREXATE RESISTANCE, ONE-CARBON METABOLISM, PLASMID' 
# 
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                    DYR21_ECOLI 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_db_accession          P00383 
_struct_ref.pdbx_align_begin           1 
_struct_ref.pdbx_seq_one_letter_code   MERSSNEVSNPVAGNFVFPSNATFGMGDRVRKKSGAAWQGQIVGWYCTNLTPEGYAVESEAHPGSVQIYPVAALERIN 
_struct_ref.pdbx_db_isoform            ? 
# 
_struct_ref_seq.align_id                      1 
_struct_ref_seq.ref_id                        1 
_struct_ref_seq.pdbx_PDB_id_code              1VIF 
_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                 62 
_struct_ref_seq.pdbx_seq_align_end_ins_code   ? 
_struct_ref_seq.pdbx_db_accession             P00383 
_struct_ref_seq.db_align_beg                  17 
_struct_ref_seq.pdbx_db_align_beg_ins_code    ? 
_struct_ref_seq.db_align_end                  78 
_struct_ref_seq.pdbx_db_align_end_ins_code    ? 
_struct_ref_seq.pdbx_auth_seq_align_beg       17 
_struct_ref_seq.pdbx_auth_seq_align_end       78 
# 
_pdbx_struct_assembly.id                   1 
_pdbx_struct_assembly.details              author_defined_assembly 
_pdbx_struct_assembly.method_details       ? 
_pdbx_struct_assembly.oligomeric_details   tetrameric 
_pdbx_struct_assembly.oligomeric_count     4 
# 
_pdbx_struct_assembly_gen.assembly_id       1 
_pdbx_struct_assembly_gen.oper_expression   1,2,3,4 
_pdbx_struct_assembly_gen.asym_id_list      A,B,C 
# 
loop_
_pdbx_struct_oper_list.id 
_pdbx_struct_oper_list.type 
_pdbx_struct_oper_list.name 
_pdbx_struct_oper_list.symmetry_operation 
_pdbx_struct_oper_list.matrix[1][1] 
_pdbx_struct_oper_list.matrix[1][2] 
_pdbx_struct_oper_list.matrix[1][3] 
_pdbx_struct_oper_list.vector[1] 
_pdbx_struct_oper_list.matrix[2][1] 
_pdbx_struct_oper_list.matrix[2][2] 
_pdbx_struct_oper_list.matrix[2][3] 
_pdbx_struct_oper_list.vector[2] 
_pdbx_struct_oper_list.matrix[3][1] 
_pdbx_struct_oper_list.matrix[3][2] 
_pdbx_struct_oper_list.matrix[3][3] 
_pdbx_struct_oper_list.vector[3] 
1 'identity operation'         1_555  x,y,z          1.0000000000  0.0000000000  0.0000000000 0.0000000000  0.0000000000  
1.0000000000  0.0000000000 0.0000000000  0.0000000000 0.0000000000 1.0000000000  0.0000000000  
2 'crystal symmetry operation' 15_556 y,x,-z+1       0.0000000000  1.0000000000  0.0000000000 0.0000000000  1.0000000000  
0.0000000000  0.0000000000 0.0000000000  0.0000000000 0.0000000000 -1.0000000000 52.5900000000 
3 'crystal symmetry operation' 10_665 -x+1,-y+1,z    -1.0000000000 0.0000000000  0.0000000000 68.7500000000 0.0000000000  
-1.0000000000 0.0000000000 68.7500000000 0.0000000000 0.0000000000 1.0000000000  0.0000000000  
4 'crystal symmetry operation' 8_666  -y+1,-x+1,-z+1 0.0000000000  -1.0000000000 0.0000000000 68.7500000000 -1.0000000000 
0.0000000000  0.0000000000 68.7500000000 0.0000000000 0.0000000000 -1.0000000000 52.5900000000 
# 
_struct_biol.id   1 
# 
_struct_conf.conf_type_id            HELX_P 
_struct_conf.id                      HELX_P1 
_struct_conf.pdbx_PDB_helix_id       1 
_struct_conf.beg_label_comp_id       VAL 
_struct_conf.beg_label_asym_id       A 
_struct_conf.beg_label_seq_id        55 
_struct_conf.pdbx_beg_PDB_ins_code   ? 
_struct_conf.end_label_comp_id       ALA 
_struct_conf.end_label_asym_id       A 
_struct_conf.end_label_seq_id        57 
_struct_conf.pdbx_end_PDB_ins_code   ? 
_struct_conf.beg_auth_comp_id        VAL 
_struct_conf.beg_auth_asym_id        A 
_struct_conf.beg_auth_seq_id         71 
_struct_conf.end_auth_comp_id        ALA 
_struct_conf.end_auth_asym_id        A 
_struct_conf.end_auth_seq_id         73 
_struct_conf.pdbx_PDB_helix_class    5 
_struct_conf.details                 ? 
_struct_conf.pdbx_PDB_helix_length   3 
# 
_struct_conf_type.id          HELX_P 
_struct_conf_type.criteria    ? 
_struct_conf_type.reference   ? 
# 
_struct_mon_prot_cis.pdbx_id                1 
_struct_mon_prot_cis.label_comp_id          ILE 
_struct_mon_prot_cis.label_seq_id           61 
_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           ILE 
_struct_mon_prot_cis.auth_seq_id            77 
_struct_mon_prot_cis.auth_asym_id           A 
_struct_mon_prot_cis.pdbx_label_comp_id_2   ASN 
_struct_mon_prot_cis.pdbx_label_seq_id_2    62 
_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    ASN 
_struct_mon_prot_cis.pdbx_auth_seq_id_2     78 
_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       3.13 
# 
_struct_sheet.id               A 
_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 
A 1 2 ? anti-parallel 
A 2 3 ? anti-parallel 
A 3 4 ? anti-parallel 
A 4 5 ? 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 LEU A 58 ? ARG A 60 ? LEU A 74 ARG A 76 
A 2 ARG A 13 ? LYS A 16 ? ARG A 29 LYS A 32 
A 3 GLN A 23 ? TYR A 30 ? GLN A 39 TYR A 46 
A 4 GLY A 38 ? SER A 43 ? GLY A 54 SER A 59 
A 5 VAL A 50 ? PRO A 54 ? VAL A 66 PRO A 70 
# 
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 
A 1 2 O GLU A 59 ? O GLU A 75 N ARG A 15 ? N ARG A 31 
A 2 3 O VAL A 14 ? O VAL A 30 N GLY A 24 ? N GLY A 40 
A 3 4 O GLN A 25 ? O GLN A 41 N GLU A 42 ? N GLU A 58 
A 4 5 O TYR A 39 ? O TYR A 55 N TYR A 53 ? N TYR A 69 
# 
_struct_site.id                   AC1 
_struct_site.pdbx_evidence_code   Software 
_struct_site.pdbx_auth_asym_id    A 
_struct_site.pdbx_auth_comp_id    FOL 
_struct_site.pdbx_auth_seq_id     1 
_struct_site.pdbx_auth_ins_code   ? 
_struct_site.pdbx_num_residues    5 
_struct_site.details              'BINDING SITE FOR RESIDUE FOL A 1' 
# 
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 5 GLN A 51 ? GLN A 67  . ? 1_555  ? 
2 AC1 5 GLN A 51 ? GLN A 67  . ? 15_556 ? 
3 AC1 5 ILE A 52 ? ILE A 68  . ? 1_555  ? 
4 AC1 5 TYR A 53 ? TYR A 69  . ? 1_555  ? 
5 AC1 5 HOH C .  ? HOH A 121 . ? 1_555  ? 
# 
_pdbx_validate_close_contact.id               1 
_pdbx_validate_close_contact.PDB_model_num    1 
_pdbx_validate_close_contact.auth_atom_id_1   N5 
_pdbx_validate_close_contact.auth_asym_id_1   A 
_pdbx_validate_close_contact.auth_comp_id_1   FOL 
_pdbx_validate_close_contact.auth_seq_id_1    1 
_pdbx_validate_close_contact.PDB_ins_code_1   ? 
_pdbx_validate_close_contact.label_alt_id_1   A 
_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    121 
_pdbx_validate_close_contact.PDB_ins_code_2   ? 
_pdbx_validate_close_contact.label_alt_id_2   ? 
_pdbx_validate_close_contact.dist             2.16 
# 
loop_
_pdbx_validate_symm_contact.id 
_pdbx_validate_symm_contact.PDB_model_num 
_pdbx_validate_symm_contact.auth_atom_id_1 
_pdbx_validate_symm_contact.auth_asym_id_1 
_pdbx_validate_symm_contact.auth_comp_id_1 
_pdbx_validate_symm_contact.auth_seq_id_1 
_pdbx_validate_symm_contact.PDB_ins_code_1 
_pdbx_validate_symm_contact.label_alt_id_1 
_pdbx_validate_symm_contact.site_symmetry_1 
_pdbx_validate_symm_contact.auth_atom_id_2 
_pdbx_validate_symm_contact.auth_asym_id_2 
_pdbx_validate_symm_contact.auth_comp_id_2 
_pdbx_validate_symm_contact.auth_seq_id_2 
_pdbx_validate_symm_contact.PDB_ins_code_2 
_pdbx_validate_symm_contact.label_alt_id_2 
_pdbx_validate_symm_contact.site_symmetry_2 
_pdbx_validate_symm_contact.dist 
1 1 ND2 A ASN 21 ? ? 1_555 ND2 A ASN 21  ? ? 8_667  1.47 
2 1 OG1 A THR 48 ? ? 1_555 O   A HOH 111 ? ? 13_646 1.65 
# 
loop_
_pdbx_validate_rmsd_bond.id 
_pdbx_validate_rmsd_bond.PDB_model_num 
_pdbx_validate_rmsd_bond.auth_atom_id_1 
_pdbx_validate_rmsd_bond.auth_asym_id_1 
_pdbx_validate_rmsd_bond.auth_comp_id_1 
_pdbx_validate_rmsd_bond.auth_seq_id_1 
_pdbx_validate_rmsd_bond.PDB_ins_code_1 
_pdbx_validate_rmsd_bond.label_alt_id_1 
_pdbx_validate_rmsd_bond.auth_atom_id_2 
_pdbx_validate_rmsd_bond.auth_asym_id_2 
_pdbx_validate_rmsd_bond.auth_comp_id_2 
_pdbx_validate_rmsd_bond.auth_seq_id_2 
_pdbx_validate_rmsd_bond.PDB_ins_code_2 
_pdbx_validate_rmsd_bond.label_alt_id_2 
_pdbx_validate_rmsd_bond.bond_value 
_pdbx_validate_rmsd_bond.bond_target_value 
_pdbx_validate_rmsd_bond.bond_deviation 
_pdbx_validate_rmsd_bond.bond_standard_deviation 
_pdbx_validate_rmsd_bond.linker_flag 
1 1 C A SER 20 ? ? N A ASN 21 ? ? 1.574 1.336 0.238  0.023 Y 
2 1 C A ALA 73 ? ? N A LEU 74 ? ? 1.192 1.336 -0.144 0.023 Y 
# 
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 CB A ASP 28 ? ? CG A ASP 28 ? ? OD1 A ASP 28 ? ? 112.22 118.30 -6.08 0.90 N 
2 1 CB A ASP 28 ? ? CG A ASP 28 ? ? OD2 A ASP 28 ? ? 125.13 118.30 6.83  0.90 N 
3 1 NE A ARG 31 ? ? CZ A ARG 31 ? ? NH1 A ARG 31 ? ? 123.90 120.30 3.60  0.50 N 
4 1 NE A ARG 76 ? ? CZ A ARG 76 ? ? NH1 A ARG 76 ? ? 124.46 120.30 4.16  0.50 N 
# 
loop_
_pdbx_validate_torsion.id 
_pdbx_validate_torsion.PDB_model_num 
_pdbx_validate_torsion.auth_comp_id 
_pdbx_validate_torsion.auth_asym_id 
_pdbx_validate_torsion.auth_seq_id 
_pdbx_validate_torsion.PDB_ins_code 
_pdbx_validate_torsion.label_alt_id 
_pdbx_validate_torsion.phi 
_pdbx_validate_torsion.psi 
1 1 SER A 20 ? ? -63.60  15.03  
2 1 ASN A 21 ? ? -170.46 -36.98 
# 
_pdbx_validate_main_chain_plane.id                       1 
_pdbx_validate_main_chain_plane.PDB_model_num            1 
_pdbx_validate_main_chain_plane.auth_comp_id             LEU 
_pdbx_validate_main_chain_plane.auth_asym_id             A 
_pdbx_validate_main_chain_plane.auth_seq_id              74 
_pdbx_validate_main_chain_plane.PDB_ins_code             ? 
_pdbx_validate_main_chain_plane.label_alt_id             ? 
_pdbx_validate_main_chain_plane.improper_torsion_angle   -11.00 
# 
_pdbx_validate_polymer_linkage.id               1 
_pdbx_validate_polymer_linkage.PDB_model_num    1 
_pdbx_validate_polymer_linkage.auth_atom_id_1   C 
_pdbx_validate_polymer_linkage.auth_asym_id_1   A 
_pdbx_validate_polymer_linkage.auth_comp_id_1   ALA 
_pdbx_validate_polymer_linkage.auth_seq_id_1    73 
_pdbx_validate_polymer_linkage.PDB_ins_code_1   ? 
_pdbx_validate_polymer_linkage.label_alt_id_1   ? 
_pdbx_validate_polymer_linkage.auth_atom_id_2   N 
_pdbx_validate_polymer_linkage.auth_asym_id_2   A 
_pdbx_validate_polymer_linkage.auth_comp_id_2   LEU 
_pdbx_validate_polymer_linkage.auth_seq_id_2    74 
_pdbx_validate_polymer_linkage.PDB_ins_code_2   ? 
_pdbx_validate_polymer_linkage.label_alt_id_2   ? 
_pdbx_validate_polymer_linkage.dist             1.19 
# 
_pdbx_entry_details.entry_id                 1VIF 
_pdbx_entry_details.compound_details         
;R67 PLASMID-ENCODED DHFR HAS 78 AMINO ACID RESIDUES.  THE
PRESENT STUDY DESCRIBES THE TRUNCATED FORM OF R67 DHFR
(62 RESIDUES) OBTAINED BY CLEAVING THE FULL-LENGTH PROTEIN
AT PHE 16 USING CHYMOTRYPSIN.
;
_pdbx_entry_details.source_details           ? 
_pdbx_entry_details.nonpolymer_details       
;THE TWO MUTUALLY EXCLUSIVE FOLATE MOLECULES AT 1/4
OCCUPANCY ARE LABELLED AS FOL 1 WITH ALTERNATE LOCATIONS A
AND B.  HOWEVER, DENSITY IS SEEN ONLY FOR THE PTERIDINE
PORTION.  THUS ATOMIC COORDINATES FOR THE PARA AMINO
BENZOYL GLUTAMATE MOIETY ARE NOT FOUND IN THIS ENTRY.

THE WATER MOLECULE 124 HAS 1/2 OCCUPANCY.  IT OCCUPIES THE
POSITION OF O4 OF THE PTERIDINE RING IN ITS ABSENCE.
;
_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 VAL 17 ? A VAL 1 
2 1 Y 1 A PHE 18 ? A PHE 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  
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  
FOL N1   N Y N 88  
FOL C2   C Y N 89  
FOL NA2  N N N 90  
FOL N3   N Y N 91  
FOL C4   C Y N 92  
FOL O4   O N N 93  
FOL C4A  C Y N 94  
FOL N5   N Y N 95  
FOL C6   C Y N 96  
FOL C7   C Y N 97  
FOL N8   N Y N 98  
FOL C8A  C Y N 99  
FOL C9   C N N 100 
FOL N10  N N N 101 
FOL C11  C Y N 102 
FOL C12  C Y N 103 
FOL C13  C Y N 104 
FOL C14  C Y N 105 
FOL C15  C Y N 106 
FOL C16  C Y N 107 
FOL C    C N N 108 
FOL O    O N N 109 
FOL N    N N N 110 
FOL CA   C N S 111 
FOL CB   C N N 112 
FOL CG   C N N 113 
FOL CD   C N N 114 
FOL OE1  O N N 115 
FOL OE2  O N N 116 
FOL CT   C N N 117 
FOL O1   O N N 118 
FOL O2   O N N 119 
FOL HN1  H N N 120 
FOL HN21 H N N 121 
FOL HN22 H N N 122 
FOL H7   H N N 123 
FOL H91  H N N 124 
FOL H92  H N N 125 
FOL HN0  H N N 126 
FOL H12  H N N 127 
FOL H13  H N N 128 
FOL H15  H N N 129 
FOL H16  H N N 130 
FOL HN   H N N 131 
FOL HA   H N N 132 
FOL HB1  H N N 133 
FOL HB2  H N N 134 
FOL HG1  H N N 135 
FOL HG2  H N N 136 
FOL HOE2 H N N 137 
FOL HO2  H N N 138 
GLN N    N N N 139 
GLN CA   C N S 140 
GLN C    C N N 141 
GLN O    O N N 142 
GLN CB   C N N 143 
GLN CG   C N N 144 
GLN CD   C N N 145 
GLN OE1  O N N 146 
GLN NE2  N N N 147 
GLN OXT  O N N 148 
GLN H    H N N 149 
GLN H2   H N N 150 
GLN HA   H N N 151 
GLN HB2  H N N 152 
GLN HB3  H N N 153 
GLN HG2  H N N 154 
GLN HG3  H N N 155 
GLN HE21 H N N 156 
GLN HE22 H N N 157 
GLN HXT  H N N 158 
GLU N    N N N 159 
GLU CA   C N S 160 
GLU C    C N N 161 
GLU O    O N N 162 
GLU CB   C N N 163 
GLU CG   C N N 164 
GLU CD   C N N 165 
GLU OE1  O N N 166 
GLU OE2  O N N 167 
GLU OXT  O N N 168 
GLU H    H N N 169 
GLU H2   H N N 170 
GLU HA   H N N 171 
GLU HB2  H N N 172 
GLU HB3  H N N 173 
GLU HG2  H N N 174 
GLU HG3  H N N 175 
GLU HE2  H N N 176 
GLU HXT  H N N 177 
GLY N    N N N 178 
GLY CA   C N N 179 
GLY C    C N N 180 
GLY O    O N N 181 
GLY OXT  O N N 182 
GLY H    H N N 183 
GLY H2   H N N 184 
GLY HA2  H N N 185 
GLY HA3  H N N 186 
GLY HXT  H N N 187 
HIS N    N N N 188 
HIS CA   C N S 189 
HIS C    C N N 190 
HIS O    O N N 191 
HIS CB   C N N 192 
HIS CG   C Y N 193 
HIS ND1  N Y N 194 
HIS CD2  C Y N 195 
HIS CE1  C Y N 196 
HIS NE2  N Y N 197 
HIS OXT  O N N 198 
HIS H    H N N 199 
HIS H2   H N N 200 
HIS HA   H N N 201 
HIS HB2  H N N 202 
HIS HB3  H N N 203 
HIS HD1  H N N 204 
HIS HD2  H N N 205 
HIS HE1  H N N 206 
HIS HE2  H N N 207 
HIS HXT  H N N 208 
HOH O    O N N 209 
HOH H1   H N N 210 
HOH H2   H N N 211 
ILE N    N N N 212 
ILE CA   C N S 213 
ILE C    C N N 214 
ILE O    O N N 215 
ILE CB   C N S 216 
ILE CG1  C N N 217 
ILE CG2  C N N 218 
ILE CD1  C N N 219 
ILE OXT  O N N 220 
ILE H    H N N 221 
ILE H2   H N N 222 
ILE HA   H N N 223 
ILE HB   H N N 224 
ILE HG12 H N N 225 
ILE HG13 H N N 226 
ILE HG21 H N N 227 
ILE HG22 H N N 228 
ILE HG23 H N N 229 
ILE HD11 H N N 230 
ILE HD12 H N N 231 
ILE HD13 H N N 232 
ILE HXT  H N N 233 
LEU N    N N N 234 
LEU CA   C N S 235 
LEU C    C N N 236 
LEU O    O N N 237 
LEU CB   C N N 238 
LEU CG   C N N 239 
LEU CD1  C N N 240 
LEU CD2  C N N 241 
LEU OXT  O N N 242 
LEU H    H N N 243 
LEU H2   H N N 244 
LEU HA   H N N 245 
LEU HB2  H N N 246 
LEU HB3  H N N 247 
LEU HG   H N N 248 
LEU HD11 H N N 249 
LEU HD12 H N N 250 
LEU HD13 H N N 251 
LEU HD21 H N N 252 
LEU HD22 H N N 253 
LEU HD23 H N N 254 
LEU HXT  H N N 255 
LYS N    N N N 256 
LYS CA   C N S 257 
LYS C    C N N 258 
LYS O    O N N 259 
LYS CB   C N N 260 
LYS CG   C N N 261 
LYS CD   C N N 262 
LYS CE   C N N 263 
LYS NZ   N N N 264 
LYS OXT  O N N 265 
LYS H    H N N 266 
LYS H2   H N N 267 
LYS HA   H N N 268 
LYS HB2  H N N 269 
LYS HB3  H N N 270 
LYS HG2  H N N 271 
LYS HG3  H N N 272 
LYS HD2  H N N 273 
LYS HD3  H N N 274 
LYS HE2  H N N 275 
LYS HE3  H N N 276 
LYS HZ1  H N N 277 
LYS HZ2  H N N 278 
LYS HZ3  H N N 279 
LYS HXT  H N N 280 
MET N    N N N 281 
MET CA   C N S 282 
MET C    C N N 283 
MET O    O N N 284 
MET CB   C N N 285 
MET CG   C N N 286 
MET SD   S N N 287 
MET CE   C N N 288 
MET OXT  O N N 289 
MET H    H N N 290 
MET H2   H N N 291 
MET HA   H N N 292 
MET HB2  H N N 293 
MET HB3  H N N 294 
MET HG2  H N N 295 
MET HG3  H N N 296 
MET HE1  H N N 297 
MET HE2  H N N 298 
MET HE3  H N N 299 
MET HXT  H N N 300 
PHE N    N N N 301 
PHE CA   C N S 302 
PHE C    C N N 303 
PHE O    O N N 304 
PHE CB   C N N 305 
PHE CG   C Y N 306 
PHE CD1  C Y N 307 
PHE CD2  C Y N 308 
PHE CE1  C Y N 309 
PHE CE2  C Y N 310 
PHE CZ   C Y N 311 
PHE OXT  O N N 312 
PHE H    H N N 313 
PHE H2   H N N 314 
PHE HA   H N N 315 
PHE HB2  H N N 316 
PHE HB3  H N N 317 
PHE HD1  H N N 318 
PHE HD2  H N N 319 
PHE HE1  H N N 320 
PHE HE2  H N N 321 
PHE HZ   H N N 322 
PHE HXT  H N N 323 
PRO N    N N N 324 
PRO CA   C N S 325 
PRO C    C N N 326 
PRO O    O N N 327 
PRO CB   C N N 328 
PRO CG   C N N 329 
PRO CD   C N N 330 
PRO OXT  O N N 331 
PRO H    H N N 332 
PRO HA   H N N 333 
PRO HB2  H N N 334 
PRO HB3  H N N 335 
PRO HG2  H N N 336 
PRO HG3  H N N 337 
PRO HD2  H N N 338 
PRO HD3  H N N 339 
PRO HXT  H N N 340 
SER N    N N N 341 
SER CA   C N S 342 
SER C    C N N 343 
SER O    O N N 344 
SER CB   C N N 345 
SER OG   O N N 346 
SER OXT  O N N 347 
SER H    H N N 348 
SER H2   H N N 349 
SER HA   H N N 350 
SER HB2  H N N 351 
SER HB3  H N N 352 
SER HG   H N N 353 
SER HXT  H N N 354 
THR N    N N N 355 
THR CA   C N S 356 
THR C    C N N 357 
THR O    O N N 358 
THR CB   C N R 359 
THR OG1  O N N 360 
THR CG2  C N N 361 
THR OXT  O N N 362 
THR H    H N N 363 
THR H2   H N N 364 
THR HA   H N N 365 
THR HB   H N N 366 
THR HG1  H N N 367 
THR HG21 H N N 368 
THR HG22 H N N 369 
THR HG23 H N N 370 
THR HXT  H N N 371 
TRP N    N N N 372 
TRP CA   C N S 373 
TRP C    C N N 374 
TRP O    O N N 375 
TRP CB   C N N 376 
TRP CG   C Y N 377 
TRP CD1  C Y N 378 
TRP CD2  C Y N 379 
TRP NE1  N Y N 380 
TRP CE2  C Y N 381 
TRP CE3  C Y N 382 
TRP CZ2  C Y N 383 
TRP CZ3  C Y N 384 
TRP CH2  C Y N 385 
TRP OXT  O N N 386 
TRP H    H N N 387 
TRP H2   H N N 388 
TRP HA   H N N 389 
TRP HB2  H N N 390 
TRP HB3  H N N 391 
TRP HD1  H N N 392 
TRP HE1  H N N 393 
TRP HE3  H N N 394 
TRP HZ2  H N N 395 
TRP HZ3  H N N 396 
TRP HH2  H N N 397 
TRP HXT  H N N 398 
TYR N    N N N 399 
TYR CA   C N S 400 
TYR C    C N N 401 
TYR O    O N N 402 
TYR CB   C N N 403 
TYR CG   C Y N 404 
TYR CD1  C Y N 405 
TYR CD2  C Y N 406 
TYR CE1  C Y N 407 
TYR CE2  C Y N 408 
TYR CZ   C Y N 409 
TYR OH   O N N 410 
TYR OXT  O N N 411 
TYR H    H N N 412 
TYR H2   H N N 413 
TYR HA   H N N 414 
TYR HB2  H N N 415 
TYR HB3  H N N 416 
TYR HD1  H N N 417 
TYR HD2  H N N 418 
TYR HE1  H N N 419 
TYR HE2  H N N 420 
TYR HH   H N N 421 
TYR HXT  H N N 422 
VAL N    N N N 423 
VAL CA   C N S 424 
VAL C    C N N 425 
VAL O    O N N 426 
VAL CB   C N N 427 
VAL CG1  C N N 428 
VAL CG2  C N N 429 
VAL OXT  O N N 430 
VAL H    H N N 431 
VAL H2   H N N 432 
VAL HA   H N N 433 
VAL HB   H N N 434 
VAL HG11 H N N 435 
VAL HG12 H N N 436 
VAL HG13 H N N 437 
VAL HG21 H N N 438 
VAL HG22 H N N 439 
VAL HG23 H N N 440 
VAL HXT  H N N 441 
# 
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  
FOL N1  C2   sing Y N 83  
FOL N1  C8A  sing Y N 84  
FOL N1  HN1  sing N N 85  
FOL C2  NA2  sing N N 86  
FOL C2  N3   doub Y N 87  
FOL NA2 HN21 sing N N 88  
FOL NA2 HN22 sing N N 89  
FOL N3  C4   sing Y N 90  
FOL C4  O4   doub N N 91  
FOL C4  C4A  sing Y N 92  
FOL C4A N5   sing Y N 93  
FOL C4A C8A  doub Y N 94  
FOL N5  C6   doub Y N 95  
FOL C6  C7   sing Y N 96  
FOL C6  C9   sing N N 97  
FOL C7  N8   doub Y N 98  
FOL C7  H7   sing N N 99  
FOL N8  C8A  sing Y N 100 
FOL C9  N10  sing N N 101 
FOL C9  H91  sing N N 102 
FOL C9  H92  sing N N 103 
FOL N10 C14  sing N N 104 
FOL N10 HN0  sing N N 105 
FOL C11 C12  doub Y N 106 
FOL C11 C16  sing Y N 107 
FOL C11 C    sing N N 108 
FOL C12 C13  sing Y N 109 
FOL C12 H12  sing N N 110 
FOL C13 C14  doub Y N 111 
FOL C13 H13  sing N N 112 
FOL C14 C15  sing Y N 113 
FOL C15 C16  doub Y N 114 
FOL C15 H15  sing N N 115 
FOL C16 H16  sing N N 116 
FOL C   O    doub N N 117 
FOL C   N    sing N N 118 
FOL N   CA   sing N N 119 
FOL N   HN   sing N N 120 
FOL CA  CB   sing N N 121 
FOL CA  CT   sing N N 122 
FOL CA  HA   sing N N 123 
FOL CB  CG   sing N N 124 
FOL CB  HB1  sing N N 125 
FOL CB  HB2  sing N N 126 
FOL CG  CD   sing N N 127 
FOL CG  HG1  sing N N 128 
FOL CG  HG2  sing N N 129 
FOL CD  OE1  doub N N 130 
FOL CD  OE2  sing N N 131 
FOL OE2 HOE2 sing N N 132 
FOL CT  O1   doub N N 133 
FOL CT  O2   sing N N 134 
FOL O2  HO2  sing N N 135 
GLN N   CA   sing N N 136 
GLN N   H    sing N N 137 
GLN N   H2   sing N N 138 
GLN CA  C    sing N N 139 
GLN CA  CB   sing N N 140 
GLN CA  HA   sing N N 141 
GLN C   O    doub N N 142 
GLN C   OXT  sing N N 143 
GLN CB  CG   sing N N 144 
GLN CB  HB2  sing N N 145 
GLN CB  HB3  sing N N 146 
GLN CG  CD   sing N N 147 
GLN CG  HG2  sing N N 148 
GLN CG  HG3  sing N N 149 
GLN CD  OE1  doub N N 150 
GLN CD  NE2  sing N N 151 
GLN NE2 HE21 sing N N 152 
GLN NE2 HE22 sing N N 153 
GLN OXT HXT  sing N N 154 
GLU N   CA   sing N N 155 
GLU N   H    sing N N 156 
GLU N   H2   sing N N 157 
GLU CA  C    sing N N 158 
GLU CA  CB   sing N N 159 
GLU CA  HA   sing N N 160 
GLU C   O    doub N N 161 
GLU C   OXT  sing N N 162 
GLU CB  CG   sing N N 163 
GLU CB  HB2  sing N N 164 
GLU CB  HB3  sing N N 165 
GLU CG  CD   sing N N 166 
GLU CG  HG2  sing N N 167 
GLU CG  HG3  sing N N 168 
GLU CD  OE1  doub N N 169 
GLU CD  OE2  sing N N 170 
GLU OE2 HE2  sing N N 171 
GLU OXT HXT  sing N N 172 
GLY N   CA   sing N N 173 
GLY N   H    sing N N 174 
GLY N   H2   sing N N 175 
GLY CA  C    sing N N 176 
GLY CA  HA2  sing N N 177 
GLY CA  HA3  sing N N 178 
GLY C   O    doub N N 179 
GLY C   OXT  sing N N 180 
GLY OXT HXT  sing N N 181 
HIS N   CA   sing N N 182 
HIS N   H    sing N N 183 
HIS N   H2   sing N N 184 
HIS CA  C    sing N N 185 
HIS CA  CB   sing N N 186 
HIS CA  HA   sing N N 187 
HIS C   O    doub N N 188 
HIS C   OXT  sing N N 189 
HIS CB  CG   sing N N 190 
HIS CB  HB2  sing N N 191 
HIS CB  HB3  sing N N 192 
HIS CG  ND1  sing Y N 193 
HIS CG  CD2  doub Y N 194 
HIS ND1 CE1  doub Y N 195 
HIS ND1 HD1  sing N N 196 
HIS CD2 NE2  sing Y N 197 
HIS CD2 HD2  sing N N 198 
HIS CE1 NE2  sing Y N 199 
HIS CE1 HE1  sing N N 200 
HIS NE2 HE2  sing N N 201 
HIS OXT HXT  sing N N 202 
HOH O   H1   sing N N 203 
HOH O   H2   sing N N 204 
ILE N   CA   sing N N 205 
ILE N   H    sing N N 206 
ILE N   H2   sing N N 207 
ILE CA  C    sing N N 208 
ILE CA  CB   sing N N 209 
ILE CA  HA   sing N N 210 
ILE C   O    doub N N 211 
ILE C   OXT  sing N N 212 
ILE CB  CG1  sing N N 213 
ILE CB  CG2  sing N N 214 
ILE CB  HB   sing N N 215 
ILE CG1 CD1  sing N N 216 
ILE CG1 HG12 sing N N 217 
ILE CG1 HG13 sing N N 218 
ILE CG2 HG21 sing N N 219 
ILE CG2 HG22 sing N N 220 
ILE CG2 HG23 sing N N 221 
ILE CD1 HD11 sing N N 222 
ILE CD1 HD12 sing N N 223 
ILE CD1 HD13 sing N N 224 
ILE OXT HXT  sing N N 225 
LEU N   CA   sing N N 226 
LEU N   H    sing N N 227 
LEU N   H2   sing N N 228 
LEU CA  C    sing N N 229 
LEU CA  CB   sing N N 230 
LEU CA  HA   sing N N 231 
LEU C   O    doub N N 232 
LEU C   OXT  sing N N 233 
LEU CB  CG   sing N N 234 
LEU CB  HB2  sing N N 235 
LEU CB  HB3  sing N N 236 
LEU CG  CD1  sing N N 237 
LEU CG  CD2  sing N N 238 
LEU CG  HG   sing N N 239 
LEU CD1 HD11 sing N N 240 
LEU CD1 HD12 sing N N 241 
LEU CD1 HD13 sing N N 242 
LEU CD2 HD21 sing N N 243 
LEU CD2 HD22 sing N N 244 
LEU CD2 HD23 sing N N 245 
LEU OXT HXT  sing N N 246 
LYS N   CA   sing N N 247 
LYS N   H    sing N N 248 
LYS N   H2   sing N N 249 
LYS CA  C    sing N N 250 
LYS CA  CB   sing N N 251 
LYS CA  HA   sing N N 252 
LYS C   O    doub N N 253 
LYS C   OXT  sing N N 254 
LYS CB  CG   sing N N 255 
LYS CB  HB2  sing N N 256 
LYS CB  HB3  sing N N 257 
LYS CG  CD   sing N N 258 
LYS CG  HG2  sing N N 259 
LYS CG  HG3  sing N N 260 
LYS CD  CE   sing N N 261 
LYS CD  HD2  sing N N 262 
LYS CD  HD3  sing N N 263 
LYS CE  NZ   sing N N 264 
LYS CE  HE2  sing N N 265 
LYS CE  HE3  sing N N 266 
LYS NZ  HZ1  sing N N 267 
LYS NZ  HZ2  sing N N 268 
LYS NZ  HZ3  sing N N 269 
LYS OXT HXT  sing N N 270 
MET N   CA   sing N N 271 
MET N   H    sing N N 272 
MET N   H2   sing N N 273 
MET CA  C    sing N N 274 
MET CA  CB   sing N N 275 
MET CA  HA   sing N N 276 
MET C   O    doub N N 277 
MET C   OXT  sing N N 278 
MET CB  CG   sing N N 279 
MET CB  HB2  sing N N 280 
MET CB  HB3  sing N N 281 
MET CG  SD   sing N N 282 
MET CG  HG2  sing N N 283 
MET CG  HG3  sing N N 284 
MET SD  CE   sing N N 285 
MET CE  HE1  sing N N 286 
MET CE  HE2  sing N N 287 
MET CE  HE3  sing N N 288 
MET OXT HXT  sing N N 289 
PHE N   CA   sing N N 290 
PHE N   H    sing N N 291 
PHE N   H2   sing N N 292 
PHE CA  C    sing N N 293 
PHE CA  CB   sing N N 294 
PHE CA  HA   sing N N 295 
PHE C   O    doub N N 296 
PHE C   OXT  sing N N 297 
PHE CB  CG   sing N N 298 
PHE CB  HB2  sing N N 299 
PHE CB  HB3  sing N N 300 
PHE CG  CD1  doub Y N 301 
PHE CG  CD2  sing Y N 302 
PHE CD1 CE1  sing Y N 303 
PHE CD1 HD1  sing N N 304 
PHE CD2 CE2  doub Y N 305 
PHE CD2 HD2  sing N N 306 
PHE CE1 CZ   doub Y N 307 
PHE CE1 HE1  sing N N 308 
PHE CE2 CZ   sing Y N 309 
PHE CE2 HE2  sing N N 310 
PHE CZ  HZ   sing N N 311 
PHE OXT HXT  sing N N 312 
PRO N   CA   sing N N 313 
PRO N   CD   sing N N 314 
PRO N   H    sing N N 315 
PRO CA  C    sing N N 316 
PRO CA  CB   sing N N 317 
PRO CA  HA   sing N N 318 
PRO C   O    doub N N 319 
PRO C   OXT  sing N N 320 
PRO CB  CG   sing N N 321 
PRO CB  HB2  sing N N 322 
PRO CB  HB3  sing N N 323 
PRO CG  CD   sing N N 324 
PRO CG  HG2  sing N N 325 
PRO CG  HG3  sing N N 326 
PRO CD  HD2  sing N N 327 
PRO CD  HD3  sing N N 328 
PRO OXT HXT  sing N N 329 
SER N   CA   sing N N 330 
SER N   H    sing N N 331 
SER N   H2   sing N N 332 
SER CA  C    sing N N 333 
SER CA  CB   sing N N 334 
SER CA  HA   sing N N 335 
SER C   O    doub N N 336 
SER C   OXT  sing N N 337 
SER CB  OG   sing N N 338 
SER CB  HB2  sing N N 339 
SER CB  HB3  sing N N 340 
SER OG  HG   sing N N 341 
SER OXT HXT  sing N N 342 
THR N   CA   sing N N 343 
THR N   H    sing N N 344 
THR N   H2   sing N N 345 
THR CA  C    sing N N 346 
THR CA  CB   sing N N 347 
THR CA  HA   sing N N 348 
THR C   O    doub N N 349 
THR C   OXT  sing N N 350 
THR CB  OG1  sing N N 351 
THR CB  CG2  sing N N 352 
THR CB  HB   sing N N 353 
THR OG1 HG1  sing N N 354 
THR CG2 HG21 sing N N 355 
THR CG2 HG22 sing N N 356 
THR CG2 HG23 sing N N 357 
THR OXT HXT  sing N N 358 
TRP N   CA   sing N N 359 
TRP N   H    sing N N 360 
TRP N   H2   sing N N 361 
TRP CA  C    sing N N 362 
TRP CA  CB   sing N N 363 
TRP CA  HA   sing N N 364 
TRP C   O    doub N N 365 
TRP C   OXT  sing N N 366 
TRP CB  CG   sing N N 367 
TRP CB  HB2  sing N N 368 
TRP CB  HB3  sing N N 369 
TRP CG  CD1  doub Y N 370 
TRP CG  CD2  sing Y N 371 
TRP CD1 NE1  sing Y N 372 
TRP CD1 HD1  sing N N 373 
TRP CD2 CE2  doub Y N 374 
TRP CD2 CE3  sing Y N 375 
TRP NE1 CE2  sing Y N 376 
TRP NE1 HE1  sing N N 377 
TRP CE2 CZ2  sing Y N 378 
TRP CE3 CZ3  doub Y N 379 
TRP CE3 HE3  sing N N 380 
TRP CZ2 CH2  doub Y N 381 
TRP CZ2 HZ2  sing N N 382 
TRP CZ3 CH2  sing Y N 383 
TRP CZ3 HZ3  sing N N 384 
TRP CH2 HH2  sing N N 385 
TRP OXT HXT  sing N N 386 
TYR N   CA   sing N N 387 
TYR N   H    sing N N 388 
TYR N   H2   sing N N 389 
TYR CA  C    sing N N 390 
TYR CA  CB   sing N N 391 
TYR CA  HA   sing N N 392 
TYR C   O    doub N N 393 
TYR C   OXT  sing N N 394 
TYR CB  CG   sing N N 395 
TYR CB  HB2  sing N N 396 
TYR CB  HB3  sing N N 397 
TYR CG  CD1  doub Y N 398 
TYR CG  CD2  sing Y N 399 
TYR CD1 CE1  sing Y N 400 
TYR CD1 HD1  sing N N 401 
TYR CD2 CE2  doub Y N 402 
TYR CD2 HD2  sing N N 403 
TYR CE1 CZ   doub Y N 404 
TYR CE1 HE1  sing N N 405 
TYR CE2 CZ   sing Y N 406 
TYR CE2 HE2  sing N N 407 
TYR CZ  OH   sing N N 408 
TYR OH  HH   sing N N 409 
TYR OXT HXT  sing N N 410 
VAL N   CA   sing N N 411 
VAL N   H    sing N N 412 
VAL N   H2   sing N N 413 
VAL CA  C    sing N N 414 
VAL CA  CB   sing N N 415 
VAL CA  HA   sing N N 416 
VAL C   O    doub N N 417 
VAL C   OXT  sing N N 418 
VAL CB  CG1  sing N N 419 
VAL CB  CG2  sing N N 420 
VAL CB  HB   sing N N 421 
VAL CG1 HG11 sing N N 422 
VAL CG1 HG12 sing N N 423 
VAL CG1 HG13 sing N N 424 
VAL CG2 HG21 sing N N 425 
VAL CG2 HG22 sing N N 426 
VAL CG2 HG23 sing N N 427 
VAL OXT HXT  sing N N 428 
# 
_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   1VIE 
_pdbx_initial_refinement_model.details          'PDB ENTRY 1VIE' 
# 
_atom_sites.entry_id                    1VIF 
_atom_sites.fract_transf_matrix[1][1]   0.014545 
_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]   0.014545 
_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]   0.019015 
_atom_sites.fract_transf_vector[1]      0.00000 
_atom_sites.fract_transf_vector[2]      0.00000 
_atom_sites.fract_transf_vector[3]      0.00000 
# 
loop_
_atom_type.symbol 
C 
N 
O 
S 
# 
loop_