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UniProt functional annotation for P31892 | ||
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| UniProt code: P31892. |
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| Organism: | |
Cupriavidus necator (strain ATCC 17699 / DSM 428 / KCTC 22496 / NCIMB 10442 / H16 / Stanier 337) (Ralstonia eutropha). |
| Taxonomy: | |
Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Burkholderiaceae; Cupriavidus. |
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| Function: | |
This enzyme recycles the H(2) produced by nitrogenase to increase the production of ATP and to protect nitrogenase against inhibition or damage by O(2) under carbon- or phosphate-limited conditions. |
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| Catalytic activity: | |
Reaction=A + H2 = AH2; Xref=Rhea:RHEA:12116, ChEBI:CHEBI:13193, ChEBI:CHEBI:17499, ChEBI:CHEBI:18276; EC=1.12.99.6; |
| Cofactor: | |
Name=[3Fe-4S] cluster; Xref=ChEBI:CHEBI:21137; Evidence={ECO:0000250}; Note=Binds 1 [3Fe-4S] cluster. {ECO:0000250}; |
| Cofactor: | |
Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883; Evidence={ECO:0000250}; Note=Binds 2 [4Fe-4S] clusters. {ECO:0000250}; |
| Subunit: | |
Heterodimer of a large and a small subunit. |
| Subcellular location: | |
Cell membrane; Peripheral membrane protein. |
| Ptm: | |
Predicted to be exported by the Tat system. The position of the signal peptide cleavage has been experimentally proven. |
| Similarity: | |
Belongs to the [NiFe]/[NiFeSe] hydrogenase small subunit family. {ECO:0000305}. |
Annotations taken from UniProtKB at the EBI.