B7MY71 · PDXK_ECO81

Function

function

B6-vitamer kinase involved in the salvage pathway of pyridoxal 5'-phosphate (PLP). Catalyzes the phosphorylation of pyridoxine (PN), pyridoxal (PL), and pyridoxamine (PM), forming their respective 5'-phosphorylated esters, i.e. PNP, PLP and PMP.

Catalytic activity

Cofactor

Mg2+ (UniProtKB | Rhea| CHEBI:18420 )

Pathway

Cofactor metabolism; pyridoxal 5'-phosphate salvage; pyridoxal 5'-phosphate from pyridoxal: step 1/1.
Cofactor metabolism; pyridoxal 5'-phosphate salvage; pyridoxine 5'-phosphate from pyridoxine: step 1/1.
Cofactor metabolism; pyridoxal 5'-phosphate salvage; pyridoxamine 5'-phosphate from pyridoxamine: step 1/1.

Features

Showing features for binding site.

TypeIDPosition(s)Description
Binding site23substrate
Binding site59substrate
Binding site125ATP (UniProtKB | ChEBI)
Binding site136Mg2+ (UniProtKB | ChEBI)
Binding site157ATP (UniProtKB | ChEBI)
Binding site162ATP (UniProtKB | ChEBI)
Binding site162Mg2+ (UniProtKB | ChEBI)
Binding site195ATP (UniProtKB | ChEBI)
Binding site221-224ATP (UniProtKB | ChEBI)
Binding site231ATP (UniProtKB | ChEBI)
Binding site233substrate

GO annotations

AspectTerm
Cellular Componentcytosol
Molecular FunctionATP binding
Molecular Functionhydroxymethylpyrimidine kinase activity
Molecular Functionmagnesium ion binding
Molecular Functionpyridoxal kinase activity
Molecular Functionzinc ion binding
Biological Processpyridoxal 5'-phosphate salvage

Keywords

Enzyme and pathway databases

Names & Taxonomy

Protein names

  • Recommended name
    Pyridoxine/pyridoxal/pyridoxamine kinase
  • EC number
  • Short names
    PN/PL/PM kinase
  • Alternative names
    • B6-vitamer kinase

Gene names

    • Name
      pdxK
    • Ordered locus names
      ECED1_2862

Organism names

Accessions

  • Primary accession
    B7MY71

Proteomes

Subcellular Location

PTM/Processing

Features

Showing features for chain.

TypeIDPosition(s)Description
ChainPRO_10001868031-283Pyridoxine/pyridoxal/pyridoxamine kinase

Interaction

Subunit

Homodimer.

Structure

Family & Domains

Sequence similarities

Belongs to the pyridoxine kinase family. PdxK subfamily.

Phylogenomic databases

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    283
  • Mass (Da)
    30,848
  • Last updated
    2009-03-24 v1
  • MD5 Checksum
    4AAC05317A8102D6F20DD92634C9557F
MSSLLLFNDKSRALQADIVAVQSQVVYGSVGNSIAVPAIKQNGLNVFAVPTVLLSNTPHYDTFYGGAIPDEWFSGYLRALQERDALRQLRAVTTGYMGTASQIKILAEWLTALRKDHPDLLIMVDPVIGDIDSGIYVKPDLPEAYRQYLLPLAQGITPNIFELEILTGKDCRDLDSAIAAAKSLLSDTLKWVVITSASGNEENQEMQVVVVSADSVNVISHSRVKTDLKGTGDLFCAQLISGLLKGKALTDAVHRAGLRVLEVMRYTQQHESDELILPPLAEA

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
CU928162
EMBL· GenBank· DDBJ
CAR09037.2
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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