A0A3A9NHE7 · A0A3A9NHE7_MORCA
- ProteinPolyphosphate kinase
- Geneppk1
- StatusUniProtKB unreviewed (TrEMBL)
- Amino acids715 (go to sequence)
- Protein existenceInferred from homology
- Annotation score3/5
Function
function
Catalyzes the reversible transfer of the terminal phosphate of ATP to form a long-chain polyphosphate (polyP).
Catalytic activity
- [phosphate](n) + ATP = [phosphate](n+1) + ADP
Cofactor
Features
Showing features for binding site, active site.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Binding site | 76 | ATP (UniProtKB | ChEBI) | |||
Binding site | 407 | Mg2+ (UniProtKB | ChEBI) | |||
Binding site | 437 | Mg2+ (UniProtKB | ChEBI) | |||
Active site | 467 | Phosphohistidine intermediate | |||
Binding site | 500 | ATP (UniProtKB | ChEBI) | |||
Binding site | 596 | ATP (UniProtKB | ChEBI) | |||
Binding site | 624 | ATP (UniProtKB | ChEBI) | |||
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | polyphosphate kinase complex | |
Molecular Function | ATP binding | |
Molecular Function | metal ion binding | |
Molecular Function | polyphosphate kinase activity | |
Biological Process | phosphorylation | |
Biological Process | polyphosphate biosynthetic process |
Keywords
- Molecular function
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended namePolyphosphate kinase
- EC number
- Alternative names
Gene names
Organism names
- Strain
- Taxonomic lineageBacteria > Pseudomonadota > Gammaproteobacteria > Moraxellales > Moraxellaceae > Moraxella
Accessions
- Primary accessionA0A3A9NHE7
Proteomes
Subcellular Location
UniProt Annotation
GO Annotation
PTM/Processing
Post-translational modification
An intermediate of this reaction is the autophosphorylated ppk in which a phosphate is covalently linked to a histidine residue through a N-P bond.
Keywords
- PTM
Structure
Family & Domains
Features
Showing features for domain.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Domain | 38-143 | Polyphosphate kinase N-terminal | |||
Domain | 152-332 | Polyphosphate kinase middle | |||
Domain | 363-527 | Polyphosphate kinase C-terminal | |||
Domain | 537-696 | Polyphosphate kinase C-terminal | |||
Sequence similarities
Belongs to the polyphosphate kinase 1 (PPK1) family.
Phylogenomic databases
Family and domain databases
Sequence
- Sequence statusComplete
- Length715
- Mass (Da)80,779
- Last updated2018-12-05 v1
- Checksum2BF70EABBFD36DC1
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
QZGP01000003 EMBL· GenBank· DDBJ | RKL89374.1 EMBL· GenBank· DDBJ | Genomic DNA |