Annotations: 2FJB

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C [auth B]	d2fjbb_	Alpha and beta proteins (a+b)	Ferredoxin-like	4Fe-4S ferredoxins	Ferredoxin domains from multidomain proteins	Adenylylsulfate reductase B subunit	(Archaeoglobus fulgidus ) [TaxId: 2234 ],	SCOPe (2.08)
D	d2fjbd_	Alpha and beta proteins (a+b)	Ferredoxin-like	4Fe-4S ferredoxins	Ferredoxin domains from multidomain proteins	Adenylylsulfate reductase B subunit	(Archaeoglobus fulgidus ) [TaxId: 2234 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Succinate dehydrogenase/fumarate reductase domain-like	8056070	3000054	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	L-aspartate oxidase C-terminal domain-like	8056071	3000021	SCOP2B (2022-06-29)
B [auth C]	SCOP2B Superfamily	Succinate dehydrogenase/fumarate reductase domain-like	8056070	3000054	SCOP2B (2022-06-29)
B [auth C]	SCOP2B Superfamily	L-aspartate oxidase C-terminal domain-like	8056071	3000021	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	4Fe-4S ferredoxins	8037223	3000020	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	4Fe-4S ferredoxins	8037223	3000020	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	Succ_DH_flav_C	e2fjbA4	A: alpha bundles	X: Spectrin repeat-like	H: Succinate dehydrogenase/fumarate reductase flavoprotein C-terminal domain (From Topology)	T: Succinate dehydrogenase/fumarate reductase flavoprotein C-terminal domain	F: Succ_DH_flav_C	ECOD (1.6)
A	aprA	e2fjbA2	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: aprA	ECOD (1.6)
A	FAD_binding_3_1st	e2fjbA3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: FAD_binding_3_1st	ECOD (1.6)
B [auth C]	Succ_DH_flav_C	e2fjbC4	A: alpha bundles	X: Spectrin repeat-like	H: Succinate dehydrogenase/fumarate reductase flavoprotein C-terminal domain (From Topology)	T: Succinate dehydrogenase/fumarate reductase flavoprotein C-terminal domain	F: Succ_DH_flav_C	ECOD (1.6)
B [auth C]	aprA	e2fjbC2	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: aprA	ECOD (1.6)
B [auth C]	FAD_binding_3_1st	e2fjbC3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: FAD_binding_3_1st	ECOD (1.6)
C [auth B]	APS-reductase_C	e2fjbB1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: APS-reductase_C	ECOD (1.6)
D	APS-reductase_C	e2fjbD1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: APS-reductase_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
A	3.90.700.10	Alpha Beta	Alpha-Beta Complex	Flavocytochrome C3	Chain A, domain 1	CATH (4.3.0)
A	1.20.58.100	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
B [auth C]	3.50.50.60	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	CATH (4.3.0)
B [auth C]	3.90.700.10	Alpha Beta	Alpha-Beta Complex	Flavocytochrome C3	Chain A, domain 1	CATH (4.3.0)
B [auth C]	1.20.58.100	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
C [auth B]	3.30.70.20	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
C [auth B]	6.20.260.10	Special	Other non-globular	Signal recognition particle alu RNA binding heterodimer, srp9/1	Adenylylsulphate reductase, beta subunit, C-terminal domain	CATH (4.3.0)
D	3.30.70.20	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
D	6.20.260.10	Special	Other non-globular	Signal recognition particle alu RNA binding heterodimer, srp9/1	Adenylylsulphate reductase, beta subunit, C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B [auth C]	PF02910	Fumarate reductase flavoprotein C-term (Succ_DH_flav_C)	Fumarate reductase flavoprotein C-term	This family contains fumarate reductases, succinate dehydrogenases and L-aspartate oxidases.	Domain
A, B [auth C]	PF00890	FAD binding domain (FAD_binding_2)	FAD binding domain	-	Family
C [auth B], D	PF00037	4Fe-4S binding domain (Fer4)	4Fe-4S binding domain	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich.	Domain
C [auth B], D	PF12139	Adenosine-5'-phosphosulfate reductase beta subunit (APS-reductase_C)	Adenosine-5'-phosphosulfate reductase beta subunit	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B [auth C]	adenylylsulfate reductase, subunit A	oxidoreductase activity succinate dehydrogenase activity oxidoreductase activity, acting on the CH-CH group of donors catalytic activity electron transfer activity flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding small molecule binding	cellular respiration energy derivation by oxidation of organic compounds metabolic process cellular process generation of precursor metabolites and energy anaerobic respiration	cell periphery cellular anatomical structure plasma membrane membrane
C [auth B], D	adenylylsulfate reductase, subunit B	oxidoreductase activity catalytic activity iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding cation binding ion binding metal ion binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth C]	IPR030664	FAD-dependent oxidoreductase SdhA/FrdA/AprA	Family
A, B [auth C]	IPR015939	Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal	Domain
A, B [auth C]	IPR037099	Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal domain superfamily	Homologous Superfamily
A, B [auth C]	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A, B [auth C]	IPR011803	Adenylylsulphate reductase, alpha subunit	Family
A, B [auth C]	IPR027477	Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain superfamily	Homologous Superfamily
A, B [auth C]	IPR003953	FAD-dependent oxidoreductase 2, FAD binding domain	Domain
C [auth B], D	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
C [auth B], D	IPR050572	Iron-Sulfur Ferredoxin	Family
C [auth B], D	IPR038465	APS reductase, beta subunit, C-terminal domain superfamily	Homologous Superfamily
C [auth B], D	IPR022738	Adenylylsulphate reductase, beta subunit, C-terminal	Domain
C [auth B], D	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
C [auth B], D	IPR011802	Adenylylsulphate reductase, beta subunit	Family

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.