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 3GN1 | pdb_00003gn1

Structure of Pteridine Reductase 1 (PTR1) from TRYPANOSOMA BRUCEI in ternary complex with cofactor (NADP+) and inhibitor (DDD00067116)

External Resource: Annotation


Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Dd3gn1d_ Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Tyrosine-dependent oxidoreductases Dihydropteridin reductase (pteridine reductase) (Trypanosoma brucei brucei ) [TaxId: 5702 ], SCOPe (2.08)
Cd3gn1c_ Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Tyrosine-dependent oxidoreductases Dihydropteridin reductase (pteridine reductase) (Trypanosoma brucei brucei ) [TaxId: 5702 ], SCOPe (2.08)
Bd3gn1b_ Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Tyrosine-dependent oxidoreductases Dihydropteridin reductase (pteridine reductase) (Trypanosoma brucei brucei ) [TaxId: 5702 ], SCOPe (2.08)
Ad3gn1a_ Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Tyrosine-dependent oxidoreductases Dihydropteridin reductase (pteridine reductase) (Trypanosoma brucei brucei ) [TaxId: 5702 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
DSCOP2B SuperfamilySDR-like 8066982 3000038 SCOP2B (2022-06-29)
CSCOP2B SuperfamilySDR-like 8066982 3000038 SCOP2B (2022-06-29)
BSCOP2B SuperfamilySDR-like 8066982 3000038 SCOP2B (2022-06-29)
ASCOP2B SuperfamilySDR-like 8066982 3000038 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
DPTEe3gn1D1 A: alpha arraysX: Alpha-beta plaitsH: Phage tail protein-likeT: Transmembrane protein 14AF: PTEECOD (v295.2)
CPTEe3gn1C1 A: alpha arraysX: Alpha-beta plaitsH: Phage tail protein-likeT: Transmembrane protein 14AF: PTEECOD (v295.2)
BPTEe3gn1B1 A: alpha arraysX: Alpha-beta plaitsH: Phage tail protein-likeT: Transmembrane protein 14AF: PTEECOD (v295.2)
APTEe3gn1A1 A: alpha arraysX: Alpha-beta plaitsH: Phage tail protein-likeT: Transmembrane protein 14AF: PTEECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)
C3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)
B3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)
A3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B, C, D
Pteridine reductase - -

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B, C, D
IPR036291NAD(P)-binding domain superfamilyHomologous Superfamily
A, B, C, D
IPR002347Short-chain dehydrogenase/reductase SDRFamily
A, B, C, D
IPR014058Pteridine reductaseFamily
A, B, C, D
IPR020904Short-chain dehydrogenase/reductase, conserved siteConserved Site

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
A, B, C, D
CSX Parent Component: CYS

:  AA0451

:  2'-(S-L-cysteinyl)-6'-hydroxy-L-tryptophan sulfoxide MOD:01380