1Q9I | pdb_00001q9i

The A251C:S430C double mutant of flavocytochrome c3 from Shewanella frigidimarina

External Resource: Annotation

Domain Annotation: SCOP/SCOPe 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)
A	d1q9ia1	All alpha proteins	Multiheme cytochromes	Multiheme cytochromes	Di-heme elbow motif	Flavocytochrome c3 (respiratory fumarate reductase), N-terminal domain	(Shewanella frigidimarina ) [TaxId: 56812 ],	SCOPe (2.08)
A	d1q9ia2	Alpha and beta proteins (a/b)	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	Succinate dehydrogenase/fumarate reductase flavoprotein N-terminal domain	Flavocytochrome c3 (respiratory fumarate reductase)	(Shewanella frigidimarina ) [TaxId: 56812 ],	SCOPe (2.08)
A	d1q9ia3	Alpha and beta proteins (a+b)	Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain	Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain	Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain	Flavocytochrome c3 (respiratory fumarate reductase)	(Shewanella frigidimarina ) [TaxId: 56812 ],	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	FAD_binding_2	e1q9iA3	A: few secondary structure elements	X: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain	H: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain	T: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain	F: FAD_binding_2	ECOD (develop294)
A	FAD_binding_2, NAD_binding_8	e1q9iA2	A: alpha bundles	X: amino-terminal domain of OmpATb	H: amino-terminal domain of OmpATb	T: amino-terminal domain of OmpATb	F: FAD_binding_2, NAD_binding_8	ECOD (develop294)
A	Lactamase_B	e1q9iA4	A: alpha bundles	X: amino-terminal domain of OmpATb	H: amino-terminal domain of OmpATb	T: amino-terminal domain of OmpATb	F: Lactamase_B	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.700.10	Alpha Beta	Alpha-Beta Complex	Flavocytochrome C3	Chain A, domain 1	CATH (4.3.0)
A	1.10.1130.10	Mainly Alpha	Orthogonal Bundle	Flavocytochrome C3	Chain A, domain 2	CATH (4.3.0)
A	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF14537	Cytochrome c3 (Cytochrom_c3_2)	Cytochrome c3	-	Family
A	PF00890	FAD binding domain (FAD_binding_2)	FAD binding domain	This family includes members that bind FAD. This family includes the flavoprotein subunits from succinate and fumarate dehydrogenase, aspartate oxidase and the alpha subunit of adenylylsulphate reductase.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	flavocytochrome c3	FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cation binding metal ion binding oxidoreductase activity oxidoreductase activity, acting on the CH-CH group of donors FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cation binding metal ion binding oxidoreductase activity oxidoreductase activity, acting on the CH-CH group of donors catalytic activity	-	cellular anatomical structure periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036280	Multiheme cytochrome superfamily	Homologous Superfamily
A	IPR003953	FAD-dependent oxidoreductase 2, FAD-binding domain	Domain
A	IPR012286	Tetraheme cytochrome domain	Domain
A	IPR013087	Zinc finger C2H2-type	Domain
A	IPR050315	FAD-dependent oxidoreductase 2	Family
A	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A	IPR010960	Flavocytochrome c	Family
A	IPR027477	Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic 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.