Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyHydA C-terminal domain-like 8022474 4000435 SCOP2 (2022-06-29)
ASCOP2 FamilyNq06/HydA N-terminal domain-like 8054416 4007641 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyHydA C-terminal domain-like 8034854 3001861 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyNqo6/HydA N-terminal domain-like 8054417 3002291 SCOP2 (2022-06-29)
C [auth B]SCOP2B SuperfamilyNqo6/HydA N-terminal domain-like 8054417 3002291 SCOP2B (2022-06-29)
C [auth B]SCOP2B SuperfamilyHydA C-terminal domain-like 8034854 3001861 SCOP2B (2022-06-29)
B [auth H]SCOP2 FamilyNickel-iron hydrogenase, large subunit 8020175 4002888 SCOP2 (2022-06-29)
B [auth H]SCOP2 SuperfamilyHydB/Nqo4-like 8032555 3001849 SCOP2 (2022-06-29)
D [auth I]SCOP2B SuperfamilyHydB/Nqo4-like 8032555 3001849 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AOxidored_q6e1yq9A2 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: CheY-likeF: Oxidored_q6ECOD (1.6)
ANiFe_hyd_SSU_Ce1yq9A1 A: few secondary structure elementsX: 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 subunitF: NiFe_hyd_SSU_CECOD (1.6)
C [auth B]Oxidored_q6e1yq9B2 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: CheY-likeF: Oxidored_q6ECOD (1.6)
C [auth B]NiFe_hyd_SSU_Ce1yq9B1 A: few secondary structure elementsX: 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 subunitF: NiFe_hyd_SSU_CECOD (1.6)
B [auth H]NiFeSe_Hases_2nde1yq9H1 A: beta meandersX: 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 subunitF: NiFeSe_Hases_2ndECOD (1.6)
B [auth H]NiFeSe_Hases_1ste1yq9H2 A: alpha complex topologyX: 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 subunitF: NiFeSe_Hases_1stECOD (1.6)
B [auth H]NiFeSe_Hases_3rde1yq9H3 A: a+b two layersX: FAD-linked reductases, C-terminal domain-likeH: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)T: Ni-Fe binding domain in nickel-iron hydrogenase large subunitF: NiFeSe_Hases_3rdECOD (1.6)
B [auth H]NiFeSe_Hases_3rd_1e1yq9H4 A: a+b two layersX: FAD-linked reductases, C-terminal domain-likeH: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)T: Ni-Fe binding domain in nickel-iron hydrogenase large subunitF: NiFeSe_Hases_3rd_1ECOD (1.6)
D [auth I]NiFeSe_Hases_2nde1yq9I1 A: beta meandersX: 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 subunitF: NiFeSe_Hases_2ndECOD (1.6)
D [auth I]NiFeSe_Hases_1ste1yq9I2 A: alpha complex topologyX: 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 subunitF: NiFeSe_Hases_1stECOD (1.6)
D [auth I]NiFeSe_Hases_3rde1yq9I3 A: a+b two layersX: FAD-linked reductases, C-terminal domain-likeH: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)T: Ni-Fe binding domain in nickel-iron hydrogenase large subunitF: NiFeSe_Hases_3rdECOD (1.6)
D [auth I]NiFeSe_Hases_3rd_1e1yq9I4 A: a+b two layersX: FAD-linked reductases, C-terminal domain-likeH: Ni-Fe binding domain in nickel-iron hydrogenase large subunit (From Topology)T: Ni-Fe binding domain in nickel-iron hydrogenase large subunitF: NiFeSe_Hases_3rd_1ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A,
C [auth B]
PF14720NiFe/NiFeSe hydrogenase small subunit C-terminal (NiFe_hyd_SSU_C)NiFe/NiFeSe hydrogenase small subunit C-terminal- Family
A,
C [auth B]
PF01058NADH ubiquinone oxidoreductase, 20 Kd subunit (Oxidored_q6)NADH ubiquinone oxidoreductase, 20 Kd subunit- Family
B [auth H],
D [auth I]
PF00374Nickel-dependent hydrogenase (NiFeSe_Hases)Nickel-dependent hydrogenase- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A,
C [auth B]
Periplasmic [NiFe] hydrogenase small subunit
B [auth H],
D [auth I]
Periplasmic [NiFe] hydrogenase large subunit -