3ORF | pdb_00003orf

Crystal Structure of Dihydropteridine Reductase from Dictyostelium discoideum

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D	d3orfd_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	automated matches	automated matches	Slime mold (Dictyostelium discoideum ) [TaxId: 44689 ],	SCOPe (2.08)
C	d3orfc_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	automated matches	automated matches	Slime mold (Dictyostelium discoideum ) [TaxId: 44689 ],	SCOPe (2.08)
B	d3orfb_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	automated matches	automated matches	Slime mold (Dictyostelium discoideum ) [TaxId: 44689 ],	SCOPe (2.08)
A	d3orfa_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	automated matches	automated matches	Slime mold (Dictyostelium discoideum ) [TaxId: 44689 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	SDR-like	8074026	3000038	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	SDR-like	8074026	3000038	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	SDR-like	8074026	3000038	SCOP2B (2022-06-29)
A	SCOP2 Family	Short-chain dehydrogenases/reductases, SDR	8074025	4000029	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SDR-like	8074026	3000038	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	FeoB_Cyto	e3orfD1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: FeoB_Cyto	ECOD (v294.1)
C	FeoB_Cyto	e3orfC1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: FeoB_Cyto	ECOD (v294.1)
B	FeoB_Cyto	e3orfB1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: FeoB_Cyto	ECOD (v294.1)
A	C1-set	e3orfA1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
C	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
B	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00106	short chain dehydrogenase (adh_short)	short chain dehydrogenase	This family contains a wide variety of dehydrogenases.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Dihydropteridine reductase	NAD binding NADH binding binding nucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding heterocyclic compound binding small molecule binding NADPH binding NADP binding oxidoreductase activity NAD binding NADH binding binding nucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding heterocyclic compound binding small molecule binding NADPH binding NADP binding oxidoreductase activity oxidoreductase activity, acting on the CH-NH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on the CH-NH group of donors 6,7-dihydropteridine reductase activity catalytic activity identical protein binding protein binding	catabolic process oxoacid metabolic process aromatic amino acid family catabolic process amino acid metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process carboxylic acid catabolic process small molecule metabolic process amino acid catabolic process L-phenylalanine catabolic process aromatic amino acid metabolic process L-amino acid catabolic process carboxylic acid metabolic process catabolic process oxoacid metabolic process aromatic amino acid family catabolic process amino acid metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process carboxylic acid catabolic process small molecule metabolic process amino acid catabolic process L-phenylalanine catabolic process aromatic amino acid metabolic process L-amino acid catabolic process carboxylic acid metabolic process primary metabolic process L-amino acid metabolic process L-phenylalanine metabolic process proteinogenic amino acid metabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process metabolic process cellular process small molecule catabolic process polyol metabolic process small molecule biosynthetic process alcohol metabolic process diol biosynthetic process diol metabolic process biosynthetic process tetrahydrobiopterin biosynthetic process tetrahydrobiopterin metabolic process pteridine-containing compound biosynthetic process polyol biosynthetic process alcohol biosynthetic process pteridine-containing compound metabolic process response to oxidative stress response to stimulus response to stress	membrane-bounded organelle intracellular anatomical structure intracellular vesicle phagocytic vesicle intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle cytoplasm vesicle endocytic vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR002347	Short-chain dehydrogenase/reductase SDR	Family
A, B, C, D	IPR020904	Short-chain dehydrogenase/reductase, conserved site	Conserved Site
A, B, C, D	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.