Annotations: 6KU6

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth B]	SCOP2B Superfamily	Succinate dehydrogenase/fumarate reductase domain-like	8098570	3000054	SCOP2B (2022-06-29)
B [auth H]	SCOP2B Superfamily	Succinate dehydrogenase/fumarate reductase domain-like	8098570	3000054	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	PF00890	e6ku6B1	A: a+b complex topology	X: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain (From Topology)	H: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain (From Topology)	T: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain	F: PF00890	ECOD (1.6)
A [auth B]	PF00890	e6ku6B2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF00890	ECOD (1.6)
B [auth H]	PF00890	e6ku6H1	A: a+b complex topology	X: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain (From Topology)	H: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain (From Topology)	T: Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain	F: PF00890	ECOD (1.6)
B [auth H]	PF00890	e6ku6H2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: PF00890	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth H]	PF00890	FAD binding domain (FAD_binding_2)	FAD binding domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth H]	Fumarate reductase 2	binding nucleotide binding FMN binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding oxidoreductase activity succinate dehydrogenase activity fumarate reductase (NADH) activity binding nucleotide binding FMN binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding oxidoreductase activity succinate dehydrogenase activity fumarate reductase (NADH) activity oxidoreductase activity, acting on the CH-CH group of donors catalytic activity	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process protein folding biosynthetic process organic substance biosynthetic process metabolic process cellular process protein metabolic process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process protein folding biosynthetic process organic substance biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process protein folding in endoplasmic reticulum nucleoside phosphate metabolic process FAD metabolic process flavin-containing compound metabolic process flavin adenine dinucleotide metabolic process nucleotide metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process small molecule metabolic process phosphorus metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle endoplasmic reticulum endomembrane system

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth H]	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A [auth B], B [auth H]	IPR010960	Flavocytochrome c	Family
A [auth B], B [auth H]	IPR027477	Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain superfamily	Homologous Superfamily
A [auth B], B [auth H]	IPR003953	FAD-dependent oxidoreductase 2, FAD binding domain	Domain

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 R01GM133198.