Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyFe-only hydrogenase 8100493 4000867 SCOP2 (2022-06-29)
ASCOP2 FamilyFe-only hydrogenase smaller subunit 8101045 4001528 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyFe-only hydrogenase 8100494 3001826 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyFe-only hydrogenase smaller subunit 8101046 3001779 SCOP2 (2022-06-29)
BSCOP2B SuperfamilyFe-only hydrogenase 8100494 3001826 SCOP2B (2022-06-29)
BSCOP2B 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_Ce4r0vA2 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_SSUe4r0vA1 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)
BFe_hyd_lg_Ce4r0vB1 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)
BFe_hyd_SSUe4r0vB2 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)

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)
B3.40.50.1780 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold CATH (4.3.0)
B3.40.950.10 Alpha Beta 3-Layer(aba) Sandwich Fe-only Hydrogenase (Larger Subunit) Chain L, domain 3CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF02906Iron only hydrogenase large subunit, C-terminal domain (Fe_hyd_lg_C)Iron only hydrogenase large subunit, C-terminal domain- Domain
A, B
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

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
A, B
CSD Parent Component: CYS

RESIDAA0262

PSI-MOD :  L-cysteine sulfinic acid MOD:00267
A, B
CSO Parent Component: CYS

RESIDAA0262 , AA0205

PSI-MOD :  L-cysteine sulfinic acid MOD:00267 , L-cysteine sulfenic acid MOD:00210