F0M5X7 · F0M5X7_PSEPM

Function

function

Pyrophosphatase that catalyzes the hydrolysis of nucleoside triphosphates to their monophosphate derivatives, with a high preference for the non-canonical purine nucleotides XTP (xanthosine triphosphate), dITP (deoxyinosine triphosphate) and ITP. Seems to function as a house-cleaning enzyme that removes non-canonical purine nucleotides from the nucleotide pool, thus preventing their incorporation into DNA/RNA and avoiding chromosomal lesions.

Caution

Lacks conserved residue(s) required for the propagation of feature annotation.

Catalytic activity

Cofactor

Mg2+ (UniProtKB | Rhea| CHEBI:18420 )

Note: Binds 1 Mg2+ ion per subunit.

Features

Showing features for binding site, active site.

Type
IDPosition(s)Description
Binding site15-20substrate
Active site82Proton acceptor
Binding site82Mg2+ (UniProtKB | ChEBI)
Binding site83substrate
Binding site170-173substrate
Binding site193substrate
Binding site198-199substrate

GO annotations

AspectTerm
Cellular Componentcytosol
Molecular FunctiondITP diphosphatase activity
Molecular FunctionITP diphosphatase activity
Molecular Functionmetal ion binding
Molecular Functionnucleotide binding
Molecular Functionribonucleoside triphosphate phosphatase activity
Molecular FunctionXTP diphosphatase activity
Biological Processnucleotide metabolic process
Biological Processpurine nucleoside triphosphate catabolic process

Keywords

Enzyme and pathway databases

Names & Taxonomy

Protein names

  • Recommended name
    dITP/XTP pyrophosphatase
  • EC number
  • Alternative names
    • Non-canonical purine NTP pyrophosphatase
    • Non-standard purine NTP pyrophosphatase
    • Nucleoside-triphosphate diphosphatase
    • Nucleoside-triphosphate pyrophosphatase
      (NTPase
      )

Gene names

    • Ordered locus names
      Asphe3_24420

Organism names

Accessions

  • Primary accession
    F0M5X7

Proteomes

Subcellular Location

Interaction

Subunit

Homodimer.

Protein-protein interaction databases

Family & Domains

Sequence similarities

Belongs to the HAM1 NTPase family.

Phylogenomic databases

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    219
  • Mass (Da)
    22,497
  • Last updated
    2011-05-03 v1
  • Checksum
    22044A2D81A3189E
MSGAGGASPRLVLATHNKGKLRELRELLRGQVPGLDVDTQVVDAAAAGAPDVVETGVTFAENSLLKARAVADATGLVAIADDSGLSVDVMGGAPGIFSARWAGSHGDDAANLRLLLSQLSDVPDVHRGAAFVCAAALAVPAADGRPGREVVEYGQLEGTLLREPRGEGGFGYDPVLQPAGEDRSCAELSAEEKNAISHRGKAFRALLPAIVEALEESVQ

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
CP002379
EMBL· GenBank· DDBJ
ADX73572.1
EMBL· GenBank· DDBJ
Genomic DNA

Genome annotation databases

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.
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