Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyFe-only hydrogenase 8100494 3001826 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyFe-only hydrogenase smaller subunit 8101046 3001779 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AFe_hyd_lg_Ce2n0sA2 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)
AFe_hyd_lg_C,Fe_hyd_SSUe2n0sA1 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_lg_C,Fe_hyd_SSUECOD (1.6)
BFer2e2n0sB1 A: a+b two layersX: beta-GraspH: Ubiquitin-relatedT: Ubiquitin-likeF: Fer2ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.40.50.1780 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold CATH (4.3.0)
A3.40.950.10 Alpha Beta 3-Layer(aba) Sandwich Fe-only Hydrogenase (Larger Subunit) Chain L, domain 3CATH (4.3.0)
B3.10.20.30 Alpha Beta Roll Ubiquitin-like (UB roll) Beta-grasp domainCATH (4.3.0)

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 domainDomain
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
PF001112Fe-2S iron-sulfur cluster binding domain (Fer2)2Fe-2S iron-sulfur cluster binding domainDomain