Annotations: 4UEW

Structure of H2-treated anaerobically purified D. fructosovorans NiFe- hydrogenase

External Resource: Annotation

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
F [auth S]	d4uews_	Multi-domain proteins (alpha and beta)	HydB/Nqo4-like	HydB/Nqo4-like	Nickel-iron hydrogenase, large subunit	automated matches	(Solidesulfovibrio fructosivorans JJ] ) [TaxId: 596151 ],	SCOPe (2.08)
E [auth R]	d4uewr_	Multi-domain proteins (alpha and beta)	HydB/Nqo4-like	HydB/Nqo4-like	Nickel-iron hydrogenase, large subunit	automated matches	(Solidesulfovibrio fructosivorans JJ] ) [TaxId: 596151 ],	SCOPe (2.08)
D [auth Q]	d4uewq_	Multi-domain proteins (alpha and beta)	HydB/Nqo4-like	HydB/Nqo4-like	Nickel-iron hydrogenase, large subunit	automated matches	(Solidesulfovibrio fructosivorans JJ] ) [TaxId: 596151 ],	SCOPe (2.08)
C	d4uewc_	Multi-domain proteins (alpha and beta)	HydA/Nqo6-like	HydA/Nqo6-like	Nickel-iron hydrogenase, small subunit	automated matches	(Solidesulfovibrio fructosivorans JJ] ) [TaxId: 596151 ],	SCOPe (2.08)
B	d4uewb_	Multi-domain proteins (alpha and beta)	HydA/Nqo6-like	HydA/Nqo6-like	Nickel-iron hydrogenase, small subunit	automated matches	(Solidesulfovibrio fructosivorans JJ] ) [TaxId: 596151 ],	SCOPe (2.08)
A	d4uewa_	Multi-domain proteins (alpha and beta)	HydA/Nqo6-like	HydA/Nqo6-like	Nickel-iron hydrogenase, small subunit	automated matches	(Solidesulfovibrio fructosivorans JJ] ) [TaxId: 596151 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F [auth S]	SBP_bac_5	e4uewS1	A: alpha arrays	X: Alpha-beta plaits	H: Protease propeptides/inhibitors	T: Protease propeptides/inhibitors	F: SBP_bac_5	ECOD (v295.2)
E [auth R]	SBP_bac_5	e4uewR1	A: alpha arrays	X: Alpha-beta plaits	H: Protease propeptides/inhibitors	T: Protease propeptides/inhibitors	F: SBP_bac_5	ECOD (v295.2)
D [auth Q]	SBP_bac_5	e4uewQ1	A: alpha arrays	X: Alpha-beta plaits	H: Protease propeptides/inhibitors	T: Protease propeptides/inhibitors	F: SBP_bac_5	ECOD (v295.2)
C	SBP_bac_5	e4uewC1	A: alpha arrays	X: Alpha-beta plaits	H: Protease propeptides/inhibitors	T: Protease propeptides/inhibitors	F: SBP_bac_5	ECOD (v295.2)
B	SBP_bac_5	e4uewB1	A: alpha arrays	X: Alpha-beta plaits	H: Protease propeptides/inhibitors	T: Protease propeptides/inhibitors	F: SBP_bac_5	ECOD (v295.2)
A	SBP_bac_5	e4uewA1	A: alpha arrays	X: Alpha-beta plaits	H: Protease propeptides/inhibitors	T: Protease propeptides/inhibitors	F: SBP_bac_5	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D [auth Q], E [auth R], F [auth S]	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	-	cellular anatomical structure extracellular region periplasmic space
A, B, C	PERIPLASMIC [NIFE] HYDROGENASE SMALL SUBUNIT	iron-sulfur cluster binding binding metal cluster binding small molecule 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 oxidoreductase activity, acting on hydrogen as donor, cytochrome as acceptor cytochrome-c3 hydrogenase activity electron transfer activity	cellular respiration energy derivation by oxidation of organic compounds metabolic process cellular process generation of precursor metabolites and energy anaerobic respiration	cellular anatomical structure membrane protein-containing complex catalytic complex oxidoreductase complex ferredoxin hydrogenase complex intracellular protein-containing complex [Ni-Fe] hydrogenase complex extracellular region periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
D [auth Q], E [auth R], F [auth S]	IPR001501	Nickel-dependent hydrogenase, large subunit	Family
D [auth Q], E [auth R], F [auth S]	IPR029014	[NiFe]-hydrogenase, large subunit	Homologous Superfamily
D [auth Q], E [auth R], F [auth S]	IPR018194	Nickel-dependent hydrogenase, large subunit, nickel binding site	Binding Site
D [auth Q], E [auth R], F [auth S]	IPR050867	[NiFe]/[NiFeSe] hydrogenase large subunit	Family
A, B, C	IPR006311	Twin-arginine translocation pathway, signal sequence	Conserved Site
A, B, C	IPR001821	[NiFe]-hydrogenase, small subunit	Family
A, B, C	IPR027394	Cytochrome-c3 hydrogenase, C-terminal	Domain
A, B, C	IPR006137	NADH:ubiquinone oxidoreductase-like, 20kDa subunit	Domain
A, B, C	IPR037024	[NiFe]-hydrogenase, small subunit, N-terminal domain superfamily	Homologous Superfamily
A, B, C	IPR019546	Twin-arginine translocation pathway, signal sequence, bacterial/archaeal	Conserved Site
A, B, C	IPR037148	[NiFe]-hydrogenase, small subunit, C-terminal domain superfamily	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
D [auth Q], E [auth R], F [auth S]	CSO	Parent Component: CYS : AA0205 : L-cysteine sulfenic acid MOD:00210