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 catalytic activity binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding	-	-
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	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 National Science Foundation (DBI-1832184), 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.