Q2RQN9 · HCP_RHORT
- ProteinHydroxylamine reductase
- Genehcp
- StatusUniProtKB reviewed (Swiss-Prot)
- Amino acids549 (go to sequence)
- Protein existenceInferred from homology
- Annotation score3/5
Function
function
Catalyzes the reduction of hydroxylamine to form NH3 and H2O.
Catalytic activity
- A + NH4+ + H2O = hydroxylamine + AH2 + H+
Cofactor
Protein has several cofactor binding sites:
Note: Binds 1 [4Fe-4S] cluster.
Note: Binds 1 hybrid [4Fe-2O-2S] cluster.
Features
Showing features for binding site.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Binding site | 3 | [4Fe-4S] cluster (UniProtKB | ChEBI) | |||
Binding site | 6 | [4Fe-4S] cluster (UniProtKB | ChEBI) | |||
Binding site | 15 | [4Fe-4S] cluster (UniProtKB | ChEBI) | |||
Binding site | 21 | [4Fe-4S] cluster (UniProtKB | ChEBI) | |||
Binding site | 248 | hybrid [4Fe-2O-2S] cluster (UniProtKB | ChEBI) | |||
Binding site | 272 | hybrid [4Fe-2O-2S] cluster (UniProtKB | ChEBI) | |||
Binding site | 316 | hybrid [4Fe-2O-2S] cluster (UniProtKB | ChEBI) | |||
Binding site | 403 | hybrid [4Fe-2O-2S] cluster (UniProtKB | ChEBI); via persulfide group | |||
Binding site | 431 | hybrid [4Fe-2O-2S] cluster (UniProtKB | ChEBI) | |||
Binding site | 456 | hybrid [4Fe-2O-2S] cluster (UniProtKB | ChEBI) | |||
Binding site | 490 | hybrid [4Fe-2O-2S] cluster (UniProtKB | ChEBI) | |||
Binding site | 492 | hybrid [4Fe-2O-2S] cluster (UniProtKB | ChEBI) | |||
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | cytoplasm | |
Molecular Function | 4 iron, 4 sulfur cluster binding | |
Molecular Function | hydroxylamine reductase activity | |
Molecular Function | metal ion binding | |
Molecular Function | peroxidase activity | |
Biological Process | response to hydrogen peroxide |
Keywords
- Molecular function
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameHydroxylamine reductase
- EC number
- Alternative names
Gene names
Organism names
- Strain
- Taxonomic lineageBacteria > Pseudomonadota > Alphaproteobacteria > Rhodospirillales > Rhodospirillaceae > Rhodospirillum
Accessions
- Primary accessionQ2RQN9
Proteomes
Subcellular Location
PTM/Processing
Features
Showing features for chain, modified residue.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Chain | PRO_1000009159 | 1-549 | Hydroxylamine reductase | ||
Modified residue | 403 | Cysteine persulfide | |||
Interaction
Protein-protein interaction databases
Structure
Sequence
- Sequence statusComplete
- Length549
- Mass (Da)57,949
- Last updated2006-01-24 v1
- MD5 Checksum7554FCED7E66AE34ABB1A374765A2836
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
CP000230 EMBL· GenBank· DDBJ | ABC23556.1 EMBL· GenBank· DDBJ | Genomic DNA |