Annotations: 5ZYN

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)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]		e5zynB1	A: L-aspartase middle domain-like	X: gp11/gp12 receptor-binding domain	H: gp11/gp12 receptor-binding domain	T: Peptidase_C12	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth B]	3.90.700.10	Alpha Beta	Alpha-Beta Complex	Flavocytochrome C3	Chain A, domain 1	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B]	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 [auth B]	Fumarate reductase 2	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 oxidoreductase activity, acting on the CH-CH group of donors, NAD or NADP as acceptor succinate dehydrogenase activity fumarate reductase (NADH) activity 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 oxidoreductase activity, acting on the CH-CH group of donors, NAD or NADP as acceptor succinate dehydrogenase activity fumarate reductase (NADH) activity oxidoreductase activity, acting on the CH-CH group of donors catalytic activity	primary metabolic process gene expression macromolecule biosynthetic process protein maturation protein folding 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 primary metabolic process gene expression macromolecule biosynthetic process protein maturation protein folding 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 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 cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle endoplasmic reticulum endomembrane system

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B]	IPR003953	FAD-dependent oxidoreductase 2, FAD-binding domain	Domain
A [auth B]	IPR050315	FAD-dependent oxidoreductase 2	Family
A [auth B]	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A [auth B]	IPR010960	Flavocytochrome c	Family
A [auth B]	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.