Annotations: 4DQK

Crystal structure of the FAD binding domain of cytochrome P450 BM3

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
A	d4dqka1	All beta proteins	Reductase/isomerase/elongation factor common domain	Riboflavin synthase domain-like	automated matches	automated matches	(Priestia megaterium ) [TaxId: 1404 ],	SCOPe (2.08)
A	d4dqka2	Alpha and beta proteins (a/b)	Ferredoxin reductase-like, C-terminal NADP-linked domain	Ferredoxin reductase-like, C-terminal NADP-linked domain	automated matches	automated matches	(Priestia megaterium ) [TaxId: 1404 ],	SCOPe (2.08)
B	d4dqkb1	All beta proteins	Reductase/isomerase/elongation factor common domain	Riboflavin synthase domain-like	automated matches	automated matches	(Priestia megaterium ) [TaxId: 1404 ],	SCOPe (2.08)
B	d4dqkb2	Alpha and beta proteins (a/b)	Ferredoxin reductase-like, C-terminal NADP-linked domain	Ferredoxin reductase-like, C-terminal NADP-linked domain	automated matches	automated matches	(Priestia megaterium ) [TaxId: 1404 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	V-set	e4dqkA3	A: alpha arrays	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: V-set	ECOD (v295)
B	V-set	e4dqkB3	A: alpha arrays	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: V-set	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.30.10	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
A	1.20.990.10	Mainly Alpha	Up-down Bundle	NADPH-cytochrome p450 Reductase	Chain A, domain 3	CATH (4.3.0)
A	3.40.50.80	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module	CATH (4.3.0)
B	2.40.30.10	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
B	1.20.990.10	Mainly Alpha	Up-down Bundle	NADPH-cytochrome p450 Reductase	Chain A, domain 3	CATH (4.3.0)
B	3.40.50.80	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Bifunctional P-450/NADPH-P450 reductase	FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding oxidoreductase activity NADPH-hemoprotein reductase activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, heme protein as acceptor FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding oxidoreductase activity NADPH-hemoprotein reductase activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, heme protein as acceptor catalytic activity tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding metal ion binding flavin adenine dinucleotide binding monooxygenase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen aromatase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen identical protein binding protein binding	-	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001709	Flavoprotein pyridine nucleotide cytochrome reductase	Domain
A, B	IPR001433	Oxidoreductase FAD/NAD(P)-binding	Domain
A, B	IPR003097	Sulfite reductase [NADPH] flavoprotein alpha-component-like, FAD-binding	Domain
A, B	IPR023173	NADPH-cytochrome p450 reductase, FAD-binding, alpha-helical domain superfamily	Homologous Superfamily
A, B	IPR023206	Bifunctional cytochrome P450/NADPH--cytochrome P450 reductase	Family
A, B	IPR008254	Flavodoxin/nitric oxide synthase	Domain
A, B	IPR039261	Ferredoxin-NADP reductase (FNR), nucleotide-binding domain	Homologous Superfamily
A, B	IPR017972	Cytochrome P450, conserved site	Conserved Site
A, B	IPR017938	Riboflavin synthase-like beta-barrel	Homologous Superfamily
A, B	IPR001094	Flavodoxin-like	Domain
A, B	IPR001128	Cytochrome P450	Family
A, B	IPR017927	FAD-binding domain, ferredoxin reductase-type	Domain
A, B	IPR029039	Flavoprotein-like superfamily	Homologous Superfamily
A, B	IPR036396	Cytochrome P450 superfamily	Homologous Superfamily

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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.