Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyFe-only hydrogenase8033441 3001826 SCOP2B (2022-06-29)
B [auth D]SCOP2B SuperfamilyFe-only hydrogenase smaller subunit8039092 3001779 SCOP2B (2022-06-29)
C [auth E]SCOP2B SuperfamilyCytochrome c8036386 3000815 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AFer4_21_1e1e08A2 A: a+b two layersX: 4Fe-4S ferredoxin (From Topology)H: 4Fe-4S ferredoxin (From Topology)T: 4Fe-4S ferredoxinF: Fer4_21_1ECOD (1.6)
AFe_hyd_lg_Ce1e08A3 A: a/b three-layered sandwichesX: Fe-only hydrogenase (From Topology)H: Fe-only hydrogenase (From Topology)T: Fe-only hydrogenaseF: Fe_hyd_lg_CECOD (1.6)
B [auth D]Fe_hyd_SSUe1e08D1 A: extended segmentsX: Fe-only hydrogenase smaller subunit (From Topology)H: Fe-only hydrogenase smaller subunit (From Topology)T: Fe-only hydrogenase smaller subunitF: Fe_hyd_SSUECOD (1.6)
C [auth E]Cytochrome_CBB3e1e08E1 A: alpha arraysX: Cytochrome c-likeH: Cytochrome c (From Topology)T: Cytochrome cF: Cytochrome_CBB3ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF02906Iron only hydrogenase large subunit, C-terminal domain (Fe_hyd_lg_C)Iron only hydrogenase large subunit, C-terminal domain- Domain
PF000374Fe-4S binding domain (Fer4)4Fe-4S binding domainSuperfamily 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
B [auth D]PF02256Iron hydrogenase small subunit (Fe_hyd_SSU)Iron hydrogenase small subunitThis family represents the small subunit of the Fe-only hydrogenases EC:1.18.99.1. The subunit is comprised of alternating random coil and alpha helical structures that encompasses the large subunit in a novel protein fold [1].Domain
C [auth E]PF00034Cytochrome c (Cytochrom_C)Cytochrome cThe Pfam entry does not include all Prosite members. The cytochrome 556 and cytochrome c' families are not included. All these are now in a new clan together. The C-terminus of DUF989, Pfam:PF06181, has now been merged into this family.Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
[FE]-HYDROGENASE (LARGE SUBUNIT) -
B [auth D][FE]-HYDROGENASE (SMALL SUBUNIT) -
C [auth E]CYTOCHROME C553 -