A3PBW9 · KHSE_PROM0
- ProteinHomoserine kinase
- GenethrB
- StatusUniProtKB reviewed (Swiss-Prot)
- Amino acids315 (go to sequence)
- Protein existenceInferred from homology
- Annotation score2/5
Function
function
Catalyzes the ATP-dependent phosphorylation of L-homoserine to L-homoserine phosphate.
Catalytic activity
- L-homoserine + ATP = O-phospho-L-homoserine + ADP + H+
Pathway
Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine from L-aspartate: step 4/5.
Features
Showing features for binding site.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Binding site | 97-107 | ATP (UniProtKB | ChEBI) | |||
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | cytoplasm | |
Molecular Function | ATP binding | |
Molecular Function | homoserine kinase activity | |
Biological Process | phosphorylation | |
Biological Process | threonine biosynthetic process |
Keywords
- Molecular function
- Biological process
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameHomoserine kinase
- EC number
- Short namesHK ; HSK
Gene names
Organism names
- Strain
- Taxonomic lineageBacteria > Cyanobacteriota > Cyanophyceae > Synechococcales > Prochlorococcaceae > Prochlorococcus
Accessions
- Primary accessionA3PBW9
Proteomes
Subcellular Location
PTM/Processing
Features
Showing features for chain.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Chain | PRO_1000049155 | 1-315 | Homoserine kinase | ||
Interaction
Protein-protein interaction databases
Structure
Sequence
- Sequence statusComplete
- Length315
- Mass (Da)33,579
- Last updated2007-04-03 v1
- ChecksumA02F0A10DEF2DC99
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
CP000576 EMBL· GenBank· DDBJ | ABO17244.1 EMBL· GenBank· DDBJ | Genomic DNA |