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6I6P

SEPIAPTERIN REDUCTASE IN COMPLEX WITH COMPOUND 3

Functional Information from GO Data
ChainGOidnamespacecontents
A0004757molecular_functionsepiapterin reductase (NADP+) activity
A0005654cellular_componentnucleoplasm
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
B0005654cellular_componentnucleoplasm
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
ALEU126
AILE155
ASER156
ATYR170
ALYS174
APRO198
ASER16
AGLY199
APRO200
ALEU201
ATHR203
AASP204
AMET205
AGLN206
AH4T302
AEDO303
AHOH417
AARG17
AHOH431
AHOH444
AHOH464
AHOH467
AHOH477
AHOH518
AHOH522
AGLY18
APHE19
AALA41
AARG42
AASN43
AALA68

site_idAC2
Number of Residues10
Detailsbinding site for residue H4T A 302
ChainResidue
ASER157
ACYS159
APHE164
ATYR170
APRO200
AMET205
AGLN206
AMET218
ANAP301
AHOH440

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

site_idAC4
Number of Residues36
Detailsbinding site for residue NAP B 301
ChainResidue
BGLY14
BSER16
BARG17
BGLY18
BPHE19
BALA41
BARG42
BASN43
BALA68
BASP69
BLEU70
BASN100
BALA101
BLEU126
BILE155
BSER156
BTYR170
BLYS174
BPRO198
BGLY199
BPRO200
BLEU201
BTHR203
BASP204
BMET205
BGLN206
BH4T302
BEDO304
BHOH408
BHOH418
BHOH419
BHOH442
BHOH451
BHOH464
BHOH498
BHOH536

site_idAC5
Number of Residues10
Detailsbinding site for residue H4T B 302
ChainResidue
ATYR-3
BSER157
BLEU158
BPHE164
BTYR170
BMET205
BGLN206
BMET218
BNAP301
BHOH423

site_idAC6
Number of Residues7
Detailsbinding site for residue EDO B 303
ChainResidue
BALA125
BTHR129
BSER130
AASN121
BLEU70
BGLU73
BLEU76

site_idAC7
Number of Residues3
Detailsbinding site for residue EDO B 304
ChainResidue
BARG17
BASP204
BNAP301

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

243911

PDB entries from 2025-10-29

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