A0A1E7Q9A6 · A0A1E7Q9A6_9GAMM

Function

function

Catalyzes the reversible transfer of the terminal phosphate of ATP to form a long-chain polyphosphate (polyP).

Caution

The sequence shown here is derived from an EMBL/GenBank/DDBJ whole genome shotgun (WGS) entry which is preliminary data.

Catalytic activity

Cofactor

Mg2+ (UniProtKB | Rhea| CHEBI:18420 )

Features

Showing features for binding site, active site.

170750100150200250300350400450500550600650700
Type
IDPosition(s)Description
Binding site52ATP (UniProtKB | ChEBI)
Binding site388Mg2+ (UniProtKB | ChEBI)
Binding site418Mg2+ (UniProtKB | ChEBI)
Active site448Phosphohistidine intermediate
Binding site481ATP (UniProtKB | ChEBI)
Binding site577ATP (UniProtKB | ChEBI)
Binding site605ATP (UniProtKB | ChEBI)

GO annotations

AspectTerm
Cellular Componentpolyphosphate kinase complex
Molecular FunctionATP binding
Molecular Functionmetal ion binding
Molecular Functionpolyphosphate kinase activity
Biological Processphosphorylation
Biological Processpolyphosphate biosynthetic process

Keywords

Enzyme and pathway databases

Names & Taxonomy

Protein names

  • Recommended name
    Polyphosphate kinase
  • EC number
  • Alternative names
    • ATP-polyphosphate phosphotransferase
    • Polyphosphoric acid kinase

Gene names

    • Name
      ppk
    • ORF names
      BI198_15350

Organism names

  • Taxonomic identifier
  • Organism
  • Strain
    • KH87
  • Taxonomic lineage
    Bacteria > Pseudomonadota > Gammaproteobacteria > Chromatiales > Chromatiaceae > Rheinheimera

Accessions

  • Primary accession
    A0A1E7Q9A6

Proteomes

Subcellular Location

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

Interaction

Protein-protein interaction databases

Family & Domains

Features

Showing features for domain.

TypeIDPosition(s)Description
Domain17-117Polyphosphate kinase N-terminal
Domain127-318Polyphosphate kinase middle
Domain345-509Polyphosphate kinase C-terminal
Domain516-687Polyphosphate kinase C-terminal

Sequence similarities

Belongs to the polyphosphate kinase 1 (PPK1) family.

Phylogenomic databases

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    707
  • Mass (Da)
    81,974
  • Last updated
    2017-01-18 v1
  • Checksum
    AEBAD3983AD8B369
MQQQSPIYNAEFPSYPRELSWLDFNGRVLQEAADERNPAIERLRFLGIYSNNMDEFFRVRVADVKRRILLKKYQASEQEDAEALLSQIQQQVLHLGQRFNAIYIDIQLELRKHNIELIDHFKLTELQSNWVKRYFRQDVIKHISPMILSGDEVKLTKALEDNTTYLMVEMTGNGKPEYAIVQVPTSELSRFIELPLDLNTRKKNGHYRRQILLLDDVIVHCIADLFSGFFQFEHIHAYSLKLTRDAEYNISDTLDQSLIDKMSKGIRQRLQSEPVRLVYDAAMPEQMLKVLNKLLGTGSNDSLVSGGRYRNFKDFINFPNFGHSSLEFPKFTPLVSAEFERHSTSFDAINHSDILLHYPYHSFGYFTEWVRQASFDPKVSHIKITMYRVAKNSRVIHSLLDAVRNGKKVSVVMELKARFDEENNINWARRMTEGGIQVVFGLTSLKVHAKLCLITRQEKGKAVQYGHIGTGNFNEKSAVIYTDFSLFTCHPEITSEIDQVFEFIEHSYRPYIFKHLIVSPTWARPKLLELIQREIDVANSGKKAEILLKVNNLADDEIVNLLYRASQAGVKIRLIVRGMCSLIAGLVDKSANIKVISILDRFLEHARVYVFHNAGDSEVYLSSADWMTRNIDQRVEVGVPIFDPRLKQNILDILDIQWRDNVKARIIGPCHDNAYAKRGNKRKIRSQQQIYNYLARQARQQLDIEIE

Keywords

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
MKEK01000001
EMBL· GenBank· DDBJ
OEY70782.1
EMBL· GenBank· DDBJ
Genomic DNA

Similar Proteins

Disclaimer

Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. Our staff consists of biologists and biochemists that are not trained to give medical advice.
We'd like to inform you that we have updated our Privacy Notice to comply with Europe’s new General Data Protection Regulation (GDPR) that applies since 25 May 2018.
FeedbackHelp