A0A4P6UKD4 · A0A4P6UKD4_9BURK
- ProteinPolyphosphate kinase
- Geneppk1
- StatusUniProtKB unreviewed (TrEMBL)
- Organism
- Amino acids733 (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 | 64 | ATP (UniProtKB | ChEBI) | ||||
Sequence: N | ||||||
Binding site | 411 | Mg2+ (UniProtKB | ChEBI) | ||||
Sequence: R | ||||||
Binding site | 441 | Mg2+ (UniProtKB | ChEBI) | ||||
Sequence: R | ||||||
Active site | 471 | Phosphohistidine intermediate | ||||
Sequence: H | ||||||
Binding site | 512 | ATP (UniProtKB | ChEBI) | ||||
Sequence: Y | ||||||
Binding site | 608 | ATP (UniProtKB | ChEBI) | ||||
Sequence: R | ||||||
Binding site | 636 | ATP (UniProtKB | ChEBI) | ||||
Sequence: H |
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 | 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
- Organism
- Strain
- Taxonomic lineageBacteria > Pseudomonadota > Betaproteobacteria > Burkholderiales > Comamonadaceae > Hylemonella
Accessions
- Primary accessionA0A4P6UKD4
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 | 27-128 | Polyphosphate kinase N-terminal | ||||
Sequence: LDRDHSVLAFNWRVFDWACRADVPLLERLRYLCIVSSNLDEFFEVRSEPHLMAYQRKDTQGLYTAASFTRLSAAIHELVARQYALYNDELTPAFRKEGIEIV | ||||||
Domain | 137-322 | Polyphosphate kinase middle | ||||
Sequence: QRRWVRQYFEQEVQPLLIPVGLDPSHPFPQVANKSLNFIVRLGGKDAFGRENDIAIVKVPRALPRLIPMPDKLCGHGSRRRRLFVSLSSVIRAHLEELFPGREMLHFSQFRVTRHSDLAVDEEDVKNLRTALRQGLEHRHYGQAVRLEVSAGCPQDLADFLLSQFDLPEGALYRVHGPVNLGRMGQ | ||||||
Domain | 367-539 | Polyphosphate kinase C-terminal | ||||
Sequence: SIFERLERGDVLIHQPYERFDGVLDFLREAVNDPQVLAIRQTVYRTGANSALMDLLREAVRRGKEVTVVLELKARFDEEVNIDWAERLEFIGVQVLYGVVGLKTHAKAMLVTRRVPGAGGEAGGPSLRRYAHLSTGNYNPATARFYTDWSHLTADPQITADVEQVFIHLAGQN | ||||||
Domain | 547-716 | Polyphosphate kinase C-terminal | ||||
Sequence: LWMAPFHLHKKLLEKIETLQAAAAAGRPARLIAKMNALTDEALIRALIEAGQQGVKIDLIVRGACMLPAGVPGQTENIRVRSIIGRFLEHARVFYFRHGEGVEADESLYLASADWMNRNMLRRVELAWPVLDPALRQRVIDETLSAALQDNDGAWELMPDGRYERLQPAS |
Sequence similarities
Belongs to the polyphosphate kinase 1 (PPK1) family.
Phylogenomic databases
Family and domain databases
Sequence
- Sequence statusComplete
- Length733
- Mass (Da)81,993
- Last updated2019-07-31 v1
- Checksum2F2FEC0433DBD3AB
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
CP031395 EMBL· GenBank· DDBJ | QBK05828.1 EMBL· GenBank· DDBJ | Genomic DNA |