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6I6V

SEPIAPTERIN REDUCTASE IN COMPLEX WITH COMPOUND 6

Functional Information from GO Data
ChainGOidnamespacecontents
A0004757molecular_functionsepiapterin reductase (NADP+) activity
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0005829cellular_componentcytosol
A0006729biological_processtetrahydrobiopterin biosynthetic process
A0006809biological_processnitric oxide biosynthetic process
A0008106molecular_functionalcohol dehydrogenase (NADP+) activity
A0016491molecular_functionoxidoreductase activity
A0050661molecular_functionNADP binding
A0070062cellular_componentextracellular exosome
B0004757molecular_functionsepiapterin reductase (NADP+) activity
B0005737cellular_componentcytoplasm
B0005739cellular_componentmitochondrion
B0005829cellular_componentcytosol
B0006729biological_processtetrahydrobiopterin biosynthetic process
B0006809biological_processnitric oxide biosynthetic process
B0008106molecular_functionalcohol dehydrogenase (NADP+) activity
B0016491molecular_functionoxidoreductase activity
B0050661molecular_functionNADP binding
B0070062cellular_componentextracellular exosome
Functional Information from PDB Data
site_idAC1
Number of Residues36
Detailsbinding site for residue NAP A 301
ChainResidue
AGLY14
AASP69
ALEU70
AASN100
AALA101
AGLY102
ALEU126
AILE155
ASER156
ATYR170
ALYS174
ASER16
APRO198
AGLY199
APRO200
ALEU201
ATHR203
AMET205
AGLN206
AH6E302
AEDO303
AHOH413
AARG17
AHOH459
AHOH476
AHOH480
AHOH484
AHOH494
AHOH514
AHOH546
AGLY18
APHE19
AALA41
AARG42
AASN43
AALA68

site_idAC2
Number of Residues10
Detailsbinding site for residue H6E A 302
ChainResidue
ALEU104
ASER157
ATRP167
ATYR170
APRO200
AMET205
AGLN206
ALEU222
ANAP301
AHOH513

site_idAC3
Number of Residues3
Detailsbinding site for residue EDO A 303
ChainResidue
AARG17
AASP204
ANAP301

site_idAC4
Number of Residues4
Detailsbinding site for residue EDO A 304
ChainResidue
AARG62
AVAL63
AVAL64
AHOH532

site_idAC5
Number of Residues6
Detailsbinding site for residue EDO A 305
ChainResidue
AHIS-7
AGLU-6
BASP257
BTYR259
BASP260
BHOH603

site_idAC6
Number of Residues37
Detailsbinding site for residue NAP B 301
ChainResidue
BGLY14
BSER16
BARG17
BGLY18
BPHE19
BALA41
BARG42
BASN43
BALA68
BASP69
BLEU70
BASN100
BALA101
BGLY102
BLEU126
BILE155
BSER156
BSER157
BTYR170
BLYS174
BPRO198
BGLY199
BLEU201
BTHR203
BMET205
BGLN206
BH6E302
BHOH405
BHOH417
BHOH421
BHOH448
BHOH485
BHOH490
BHOH492
BHOH502
BHOH514
BHOH564

site_idAC7
Number of Residues10
Detailsbinding site for residue H6E B 302
ChainResidue
BPHE164
BTRP167
BTYR170
BPRO200
BMET205
BGLN206
BNAP301
ATYR-3
AMET1
BLEU104

site_idAC8
Number of Residues9
Detailsbinding site for residue EDO B 303
ChainResidue
AASN121
BLEU70
BALA72
BGLU73
BLEU76
BALA125
BTHR129
BSER130
BHOH455

site_idAC9
Number of Residues5
Detailsbinding site for residue EDO B 304
ChainResidue
BLYS109
BASP113
BLEU114
BSER115
BASP116

site_idAD1
Number of Residues3
Detailsbinding site for residue EDO B 305
ChainResidue
BARG42
BALA68
BHOH505

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues26
DetailsBinding site: {"evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"FEB-2009","submissionDatabase":"PDB data bank","title":"Crystal structure of human sepiapterin reductase.","authoringGroup":["Structural genomics consortium (SGC)"]}}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"N-acetylmethionine","evidences":[{"source":"UniProtKB","id":"P18297","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P18297","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by CaMK2; in vitro","evidences":[{"source":"PubMed","id":"11825621","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246905

PDB entries from 2025-12-31

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