Annotations: 7QHF

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8039789	3000113	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Fe-only hydrogenase	8039787	3001826	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	4Fe-4S ferredoxins	8039792	3000020	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Fe-only hydrogenase smaller subunit	8101149	3001779	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Fe-only hydrogenase smaller subunit	8101149	3001779	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	4Fe-4S ferredoxins	8039792	3000020	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8039789	3000113	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Fe-only hydrogenase	8039787	3001826	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	PF12838	e7qhfA3	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF12838	ECOD (1.6)
A	PF13510	e7qhfA5	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PF13510	ECOD (1.6)
A	PF02906	e7qhfA4	A: a/b three-layered sandwiches	X: Fe-only hydrogenase (From Topology)	H: Fe-only hydrogenase (From Topology)	T: Fe-only hydrogenase	F: PF02906	ECOD (1.6)
A	PF22609	e7qhfA1	A: extended segments	X: iron-sulfur center-binding helical hairpin (From Topology)	H: iron-sulfur center-binding helical hairpin (From Topology)	T: iron-sulfur center-binding helical hairpin	F: PF22609	ECOD (1.6)
A	PF02256	e7qhfA2	A: extended segments	X: Fe-only hydrogenase smaller subunit (From Topology)	H: Fe-only hydrogenase smaller subunit (From Topology)	T: Fe-only hydrogenase smaller subunit	F: PF02256	ECOD (1.6)
B	PF12838	e7qhfB3	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF12838	ECOD (1.6)
B	PF13510	e7qhfB1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PF13510	ECOD (1.6)
B	PF02906	e7qhfB4	A: a/b three-layered sandwiches	X: Fe-only hydrogenase (From Topology)	H: Fe-only hydrogenase (From Topology)	T: Fe-only hydrogenase	F: PF02906	ECOD (1.6)
B	PF22609	e7qhfB5	A: extended segments	X: iron-sulfur center-binding helical hairpin (From Topology)	H: iron-sulfur center-binding helical hairpin (From Topology)	T: iron-sulfur center-binding helical hairpin	F: PF22609	ECOD (1.6)
B	PF02256	e7qhfB2	A: extended segments	X: Fe-only hydrogenase smaller subunit (From Topology)	H: Fe-only hydrogenase smaller subunit (From Topology)	T: Fe-only hydrogenase smaller subunit	F: PF02256	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Iron hydrogenase 1	oxidoreductase activity oxidoreductase activity, acting on hydrogen as donor, iron-sulfur protein as acceptor oxidoreductase activity, acting on hydrogen as donor ferredoxin hydrogenase activity catalytic activity cation binding transition metal ion binding iron ion binding ion binding binding metal ion binding small molecule binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding oxidoreductase activity oxidoreductase activity, acting on hydrogen as donor, iron-sulfur protein as acceptor oxidoreductase activity, acting on hydrogen as donor ferredoxin hydrogenase activity catalytic activity cation binding transition metal ion binding iron ion binding ion binding binding metal ion binding small molecule binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036010	2Fe-2S ferredoxin-like superfamily	Homologous Superfamily
A, B	IPR001041	2Fe-2S ferredoxin-type iron-sulfur binding domain	Domain
A, B	IPR009016	Iron hydrogenase	Homologous Superfamily
A, B	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
A, B	IPR004108	Iron hydrogenase, large subunit, C-terminal	Domain
A, B	IPR036991	Iron hydrogenase, small subunit superfamily	Homologous Superfamily
A, B	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
A, B	IPR013352	Iron hydrogenase, subset	Domain
A, B	IPR003149	Iron hydrogenase, small subunit	Domain
A, B	IPR019574	NADH:ubiquinone oxidoreductase, subunit G, iron-sulphur binding	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.