1YRQ

Structure of the ready oxidized form of [NiFe]-hydrogenase

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1yrqa_	Multi-domain proteins (alpha and beta)	HydA/Nqo6-like	HydA/Nqo6-like	Nickel-iron hydrogenase, small subunit	automated matches	(Solidesulfovibrio fructosivorans ) [TaxId: 878 ],	SCOPe (2.08)
C [auth B]	d1yrqb_	Multi-domain proteins (alpha and beta)	HydA/Nqo6-like	HydA/Nqo6-like	Nickel-iron hydrogenase, small subunit	automated matches	(Solidesulfovibrio fructosivorans ) [TaxId: 878 ],	SCOPe (2.08)
E [auth C]	d1yrqc_	Multi-domain proteins (alpha and beta)	HydA/Nqo6-like	HydA/Nqo6-like	Nickel-iron hydrogenase, small subunit	automated matches	(Solidesulfovibrio fructosivorans ) [TaxId: 878 ],	SCOPe (2.08)
G [auth D]	d1yrqd_	Multi-domain proteins (alpha and beta)	HydA/Nqo6-like	HydA/Nqo6-like	Nickel-iron hydrogenase, small subunit	automated matches	(Solidesulfovibrio fructosivorans ) [TaxId: 878 ],	SCOPe (2.08)
I [auth F]	d1yrqf_	Multi-domain proteins (alpha and beta)	HydA/Nqo6-like	HydA/Nqo6-like	Nickel-iron hydrogenase, small subunit	automated matches	(Solidesulfovibrio fructosivorans ) [TaxId: 878 ],	SCOPe (2.08)
K [auth G]	d1yrqg_	Multi-domain proteins (alpha and beta)	HydA/Nqo6-like	HydA/Nqo6-like	Nickel-iron hydrogenase, small subunit	automated matches	(Solidesulfovibrio fructosivorans ) [TaxId: 878 ],	SCOPe (2.08)
B [auth H]	d1yrqh_	Multi-domain proteins (alpha and beta)	HydB/Nqo4-like	HydB/Nqo4-like	Nickel-iron hydrogenase, large subunit	automated matches	(Solidesulfovibrio fructosivorans ) [TaxId: 878 ],	SCOPe (2.08)
D [auth I]	d1yrqi_	Multi-domain proteins (alpha and beta)	HydB/Nqo4-like	HydB/Nqo4-like	Nickel-iron hydrogenase, large subunit	automated matches	(Solidesulfovibrio fructosivorans ) [TaxId: 878 ],	SCOPe (2.08)
F [auth J]	d1yrqj_	Multi-domain proteins (alpha and beta)	HydB/Nqo4-like	HydB/Nqo4-like	Nickel-iron hydrogenase, large subunit	automated matches	(Solidesulfovibrio fructosivorans ) [TaxId: 878 ],	SCOPe (2.08)
H [auth K]	d1yrqk_	Multi-domain proteins (alpha and beta)	HydB/Nqo4-like	HydB/Nqo4-like	Nickel-iron hydrogenase, large subunit	automated matches	(Solidesulfovibrio fructosivorans ) [TaxId: 878 ],	SCOPe (2.08)
J [auth M]	d1yrqm_	Multi-domain proteins (alpha and beta)	HydB/Nqo4-like	HydB/Nqo4-like	Nickel-iron hydrogenase, large subunit	automated matches	(Solidesulfovibrio fructosivorans ) [TaxId: 878 ],	SCOPe (2.08)
L [auth N]	d1yrqn_	Multi-domain proteins (alpha and beta)	HydB/Nqo4-like	HydB/Nqo4-like	Nickel-iron hydrogenase, large subunit	automated matches	(Solidesulfovibrio fructosivorans ) [TaxId: 878 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Nqo6/HydA N-terminal domain-like	8054419	3002291	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	HydA C-terminal domain-like	8037588	3001861	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	HydA C-terminal domain-like	8037588	3001861	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	Nqo6/HydA N-terminal domain-like	8054419	3002291	SCOP2B (2022-06-29)
E [auth C]	SCOP2B Superfamily	Nqo6/HydA N-terminal domain-like	8054419	3002291	SCOP2B (2022-06-29)
E [auth C]	SCOP2B Superfamily	HydA C-terminal domain-like	8037588	3001861	SCOP2B (2022-06-29)
G [auth D]	SCOP2B Superfamily	Nqo6/HydA N-terminal domain-like	8054419	3002291	SCOP2B (2022-06-29)
G [auth D]	SCOP2B Superfamily	HydA C-terminal domain-like	8037588	3001861	SCOP2B (2022-06-29)
I [auth F]	SCOP2B Superfamily	HydA C-terminal domain-like	8037588	3001861	SCOP2B (2022-06-29)
I [auth F]	SCOP2B Superfamily	Nqo6/HydA N-terminal domain-like	8054419	3002291	SCOP2B (2022-06-29)
K [auth G]	SCOP2B Superfamily	Nqo6/HydA N-terminal domain-like	8054419	3002291	SCOP2B (2022-06-29)
K [auth G]	SCOP2B Superfamily	HydA C-terminal domain-like	8037588	3001861	SCOP2B (2022-06-29)
B [auth H]	SCOP2B Superfamily	HydB/Nqo4-like	8037575	3001849	SCOP2B (2022-06-29)
D [auth I]	SCOP2B Superfamily	HydB/Nqo4-like	8037575	3001849	SCOP2B (2022-06-29)
F [auth J]	SCOP2B Superfamily	HydB/Nqo4-like	8037575	3001849	SCOP2B (2022-06-29)
H [auth K]	SCOP2B Superfamily	HydB/Nqo4-like	8037575	3001849	SCOP2B (2022-06-29)
J [auth M]	SCOP2B Superfamily	HydB/Nqo4-like	8037575	3001849	SCOP2B (2022-06-29)
L [auth N]	SCOP2B Superfamily	HydB/Nqo4-like	8037575	3001849	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	Oxidored_q6	e1yrqA2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: Oxidored_q6	ECOD (1.6)
A	NiFe_hyd_SSU_C	e1yrqA1	A: few secondary structure elements	X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology)	H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology)	T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	F: NiFe_hyd_SSU_C	ECOD (1.6)
C [auth B]	Oxidored_q6	e1yrqB2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: Oxidored_q6	ECOD (1.6)
C [auth B]	NiFe_hyd_SSU_C	e1yrqB1	A: few secondary structure elements	X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology)	H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology)	T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	F: NiFe_hyd_SSU_C	ECOD (1.6)
E [auth C]	Oxidored_q6	e1yrqC2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: Oxidored_q6	ECOD (1.6)
E [auth C]	NiFe_hyd_SSU_C	e1yrqC1	A: few secondary structure elements	X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology)	H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology)	T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	F: NiFe_hyd_SSU_C	ECOD (1.6)
G [auth D]	Oxidored_q6	e1yrqD2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: Oxidored_q6	ECOD (1.6)
G [auth D]	NiFe_hyd_SSU_C	e1yrqD1	A: few secondary structure elements	X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology)	H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology)	T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	F: NiFe_hyd_SSU_C	ECOD (1.6)
I [auth F]	Oxidored_q6	e1yrqF2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: Oxidored_q6	ECOD (1.6)
I [auth F]	NiFe_hyd_SSU_C	e1yrqF1	A: few secondary structure elements	X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology)	H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology)	T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	F: NiFe_hyd_SSU_C	ECOD (1.6)
K [auth G]	Oxidored_q6	e1yrqG2	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: CheY-like	F: Oxidored_q6	ECOD (1.6)
K [auth G]	NiFe_hyd_SSU_C	e1yrqG1	A: few secondary structure elements	X: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology)	H: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit (From Topology)	T: Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit	F: NiFe_hyd_SSU_C	ECOD (1.6)
B [auth H]	NiFeSe_Hases_2nd	e1yrqH7	A: beta meanders	X: all-beta domain in nickel-iron hydrogenase large subunit (From Topology)	H: all-beta domain in nickel-iron hydrogenase large subunit (From Topology)	T: all-beta domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_2nd	ECOD (1.6)
B [auth H]	NiFeSe_Hases_1st	e1yrqH8	A: alpha complex topology	X: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology)	H: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology)	T: alpha-helical domain in nickel-iron hydrogenase, large subunit	F: NiFeSe_Hases_1st	ECOD (1.6)
B [auth H]	NiFeSe_Hases_3rd	e1yrqH5	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)	T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_3rd	ECOD (1.6)
B [auth H]	NiFeSe_Hases_3rd_1	e1yrqH6	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)	T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_3rd_1	ECOD (1.6)
D [auth I]	NiFeSe_Hases_2nd	e1yrqI7	A: beta meanders	X: all-beta domain in nickel-iron hydrogenase large subunit (From Topology)	H: all-beta domain in nickel-iron hydrogenase large subunit (From Topology)	T: all-beta domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_2nd	ECOD (1.6)
D [auth I]	NiFeSe_Hases_1st	e1yrqI8	A: alpha complex topology	X: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology)	H: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology)	T: alpha-helical domain in nickel-iron hydrogenase, large subunit	F: NiFeSe_Hases_1st	ECOD (1.6)
D [auth I]	NiFeSe_Hases_3rd	e1yrqI5	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)	T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_3rd	ECOD (1.6)
D [auth I]	NiFeSe_Hases_3rd_1	e1yrqI6	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)	T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_3rd_1	ECOD (1.6)
F [auth J]	NiFeSe_Hases_2nd	e1yrqJ7	A: beta meanders	X: all-beta domain in nickel-iron hydrogenase large subunit (From Topology)	H: all-beta domain in nickel-iron hydrogenase large subunit (From Topology)	T: all-beta domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_2nd	ECOD (1.6)
F [auth J]	NiFeSe_Hases_1st	e1yrqJ8	A: alpha complex topology	X: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology)	H: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology)	T: alpha-helical domain in nickel-iron hydrogenase, large subunit	F: NiFeSe_Hases_1st	ECOD (1.6)
F [auth J]	NiFeSe_Hases_3rd	e1yrqJ5	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)	T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_3rd	ECOD (1.6)
F [auth J]	NiFeSe_Hases_3rd_1	e1yrqJ6	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)	T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_3rd_1	ECOD (1.6)
H [auth K]	NiFeSe_Hases_2nd	e1yrqK7	A: beta meanders	X: all-beta domain in nickel-iron hydrogenase large subunit (From Topology)	H: all-beta domain in nickel-iron hydrogenase large subunit (From Topology)	T: all-beta domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_2nd	ECOD (1.6)
H [auth K]	NiFeSe_Hases_1st	e1yrqK8	A: alpha complex topology	X: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology)	H: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology)	T: alpha-helical domain in nickel-iron hydrogenase, large subunit	F: NiFeSe_Hases_1st	ECOD (1.6)
H [auth K]	NiFeSe_Hases_3rd	e1yrqK5	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)	T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_3rd	ECOD (1.6)
H [auth K]	NiFeSe_Hases_3rd_1	e1yrqK6	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)	T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_3rd_1	ECOD (1.6)
J [auth M]	NiFeSe_Hases_2nd	e1yrqM7	A: beta meanders	X: all-beta domain in nickel-iron hydrogenase large subunit (From Topology)	H: all-beta domain in nickel-iron hydrogenase large subunit (From Topology)	T: all-beta domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_2nd	ECOD (1.6)
J [auth M]	NiFeSe_Hases_1st	e1yrqM8	A: alpha complex topology	X: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology)	H: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology)	T: alpha-helical domain in nickel-iron hydrogenase, large subunit	F: NiFeSe_Hases_1st	ECOD (1.6)
J [auth M]	NiFeSe_Hases_3rd	e1yrqM5	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)	T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_3rd	ECOD (1.6)
J [auth M]	NiFeSe_Hases_3rd_1	e1yrqM6	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)	T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_3rd_1	ECOD (1.6)
L [auth N]	NiFeSe_Hases_2nd	e1yrqN7	A: beta meanders	X: all-beta domain in nickel-iron hydrogenase large subunit (From Topology)	H: all-beta domain in nickel-iron hydrogenase large subunit (From Topology)	T: all-beta domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_2nd	ECOD (1.6)
L [auth N]	NiFeSe_Hases_1st	e1yrqN8	A: alpha complex topology	X: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology)	H: alpha-helical domain in nickel-iron hydrogenase, large subunit (From Topology)	T: alpha-helical domain in nickel-iron hydrogenase, large subunit	F: NiFeSe_Hases_1st	ECOD (1.6)
L [auth N]	NiFeSe_Hases_3rd	e1yrqN5	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)	T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_3rd	ECOD (1.6)
L [auth N]	NiFeSe_Hases_3rd_1	e1yrqN6	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)	T: Ni-Fe binding domain in nickel-iron hydrogenase large subunit	F: NiFeSe_Hases_3rd_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.700	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NADH:ubiquinone oxidoreductase-like, 20kDa subunit	CATH (4.3.0)
A	4.10.480.10	Few Secondary Structures	Irregular	Cytochrome-c3 Hydrogenase	Chain A, domain 2	CATH (4.3.0)
C [auth B]	3.40.50.700	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NADH:ubiquinone oxidoreductase-like, 20kDa subunit	CATH (4.3.0)
C [auth B]	4.10.480.10	Few Secondary Structures	Irregular	Cytochrome-c3 Hydrogenase	Chain A, domain 2	CATH (4.3.0)
E [auth C]	3.40.50.700	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NADH:ubiquinone oxidoreductase-like, 20kDa subunit	CATH (4.3.0)
E [auth C]	4.10.480.10	Few Secondary Structures	Irregular	Cytochrome-c3 Hydrogenase	Chain A, domain 2	CATH (4.3.0)
G [auth D]	3.40.50.700	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NADH:ubiquinone oxidoreductase-like, 20kDa subunit	CATH (4.3.0)
G [auth D]	4.10.480.10	Few Secondary Structures	Irregular	Cytochrome-c3 Hydrogenase	Chain A, domain 2	CATH (4.3.0)
I [auth F]	3.40.50.700	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NADH:ubiquinone oxidoreductase-like, 20kDa subunit	CATH (4.3.0)
I [auth F]	4.10.480.10	Few Secondary Structures	Irregular	Cytochrome-c3 Hydrogenase	Chain A, domain 2	CATH (4.3.0)
K [auth G]	3.40.50.700	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NADH:ubiquinone oxidoreductase-like, 20kDa subunit	CATH (4.3.0)
K [auth G]	4.10.480.10	Few Secondary Structures	Irregular	Cytochrome-c3 Hydrogenase	Chain A, domain 2	CATH (4.3.0)
B [auth H]	1.10.645.10	Mainly Alpha	Orthogonal Bundle	Cytochrome-c3 Hydrogenase	chain B	CATH (4.3.0)
D [auth I]	1.10.645.10	Mainly Alpha	Orthogonal Bundle	Cytochrome-c3 Hydrogenase	chain B	CATH (4.3.0)
F [auth J]	1.10.645.10	Mainly Alpha	Orthogonal Bundle	Cytochrome-c3 Hydrogenase	chain B	CATH (4.3.0)
H [auth K]	1.10.645.10	Mainly Alpha	Orthogonal Bundle	Cytochrome-c3 Hydrogenase	chain B	CATH (4.3.0)
J [auth M]	1.10.645.10	Mainly Alpha	Orthogonal Bundle	Cytochrome-c3 Hydrogenase	chain B	CATH (4.3.0)
L [auth N]	1.10.645.10	Mainly Alpha	Orthogonal Bundle	Cytochrome-c3 Hydrogenase	chain B	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C [auth B], E [auth C], G [auth D], I [auth F], A, C [auth B], E [auth C], G [auth D], I [auth F], K [auth G]	PF14720	NiFe/NiFeSe hydrogenase small subunit C-terminal (NiFe_hyd_SSU_C)	NiFe/NiFeSe hydrogenase small subunit C-terminal	-	Family
A, C [auth B], E [auth C], G [auth D], I [auth F], A, C [auth B], E [auth C], G [auth D], I [auth F], K [auth G]	PF01058	NADH ubiquinone oxidoreductase, 20 Kd subunit (Oxidored_q6)	NADH ubiquinone oxidoreductase, 20 Kd subunit	-	Family
B [auth H], D [auth I], F [auth J], H [auth K], J [auth M], B [auth H], D [auth I], F [auth J], H [auth K], J [auth M], L [auth N]	PF00374	Nickel-dependent hydrogenase (NiFeSe_Hases)	Nickel-dependent hydrogenase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C [auth B], E [auth C], G [auth D], I [auth F], A, C [auth B], E [auth C], G [auth D], I [auth F], K [auth G]	Periplasmic [NiFe] hydrogenase small subunit	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 iron-sulfur cluster binding binding 3 iron, 4 sulfur cluster binding metal cluster binding small molecule binding oxidoreductase activity, acting on hydrogen as donor, cytochrome as acceptor cytochrome-c3 hydrogenase activity 4 iron, 4 sulfur cluster binding cation 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 iron-sulfur cluster binding binding 3 iron, 4 sulfur cluster binding metal cluster binding small molecule binding oxidoreductase activity, acting on hydrogen as donor, cytochrome as acceptor cytochrome-c3 hydrogenase activity 4 iron, 4 sulfur cluster binding cation binding ion binding metal ion binding	-	protein-containing complex catalytic complex oxidoreductase complex ferredoxin hydrogenase complex intracellular protein-containing complex periplasmic space cellular anatomical entity
B [auth H], D [auth I], F [auth J], H [auth K], J [auth M], B [auth H], D [auth I], F [auth J], H [auth K], J [auth M], L [auth N]	Periplasmic [NiFe] hydrogenase large subunit	oxidoreductase activity oxidoreductase activity, acting on hydrogen as donor oxidoreductase activity, acting on hydrogen as donor, cytochrome as acceptor cytochrome-c3 hydrogenase activity catalytic activity cation binding transition metal ion binding ion binding binding nickel cation binding metal ion binding small molecule binding oxidoreductase activity, acting on hydrogen as donor, iron-sulfur protein as acceptor ferredoxin hydrogenase activity	-	periplasmic space cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C [auth B], E [auth C], G [auth D], I [auth F], A, C [auth B], E [auth C], G [auth D], I [auth F], K [auth G]	IPR006311	Twin-arginine translocation pathway, signal sequence	Conserved Site
A, C [auth B], E [auth C], G [auth D], I [auth F], A, C [auth B], E [auth C], G [auth D], I [auth F], K [auth G]	IPR001821	[NiFe]-hydrogenase, small subunit	Family
A, C [auth B], E [auth C], G [auth D], I [auth F], A, C [auth B], E [auth C], G [auth D], I [auth F], K [auth G]	IPR027394	Cytochrome-c3 hydrogenase, C-terminal	Domain
A, C [auth B], E [auth C], G [auth D], I [auth F], A, C [auth B], E [auth C], G [auth D], I [auth F], K [auth G]	IPR006137	NADH:ubiquinone oxidoreductase-like, 20kDa subunit	Domain
A, C [auth B], E [auth C], G [auth D], I [auth F], A, C [auth B], E [auth C], G [auth D], I [auth F], K [auth G]	IPR037024	[NiFe]-hydrogenase, small subunit, N-terminal domain superfamily	Homologous Superfamily
A, C [auth B], E [auth C], G [auth D], I [auth F], A, C [auth B], E [auth C], G [auth D], I [auth F], K [auth G]	IPR019546	Twin-arginine translocation pathway, signal sequence, bacterial/archaeal	Conserved Site
A, C [auth B], E [auth C], G [auth D], I [auth F], A, C [auth B], E [auth C], G [auth D], I [auth F], K [auth G]	IPR037148	[NiFe]-hydrogenase, small subunit, C-terminal domain superfamily	Homologous Superfamily
B [auth H], D [auth I], F [auth J], H [auth K], J [auth M], B [auth H], D [auth I], F [auth J], H [auth K], J [auth M], L [auth N]	IPR001501	Nickel-dependent hydrogenase, large subunit	Family
B [auth H], D [auth I], F [auth J], H [auth K], J [auth M], B [auth H], D [auth I], F [auth J], H [auth K], J [auth M], L [auth N]	IPR029014	[NiFe]-hydrogenase, large subunit	Homologous Superfamily
B [auth H], D [auth I], F [auth J], H [auth K], J [auth M], B [auth H], D [auth I], F [auth J], H [auth K], J [auth M], L [auth N]	IPR018194	Nickel-dependent hydrogenase, large subunit, nickel binding site	Binding Site