LMPD Database

LMP001706

Record overview

LMPD IDLMP001706
Gene ID1120
SpeciesHomo sapiens (Human)
Gene Namecholine kinase beta
Gene SymbolCHKB
SynonymsCHETK; CHKL; CK; CKB; CKEKB; EK; EKB; MDCMC
Alternate namescholine/ethanolamine kinase; ethanolamine kinase beta; choline kinase-like protein
Chromosome22
Map Location22q13.33
EC Number2.7.1.32
SummaryCholine kinase (CK) and ethanolamine kinase (EK) catalyze the phosphorylation of choline/ethanolamine to phosphocholine/phosphoethanolamine. This is the first enzyme in the biosynthesis of phosphatidylcholine/phosphatidylethanolamine in all animal cells. The highly purified CKs from mammalian sources and their recombinant gene products have been shown to have EK activity also, indicating that both activities reside on the same protein. The choline kinase-like protein encoded by CHKL belongs to the choline/ethanolamine kinase family; however, its exact function is not known. Read-through transcripts are expressed from this locus that include exons from the downstream CPT1B locus. [provided by RefSeq, Jun 2009]
OrthologsView orthologs and multiple alignments for CHKB

Proteins

choline/ethanolamine kinase
Refseq ID:NP_005189
Protein GI:6978649
UniProt ID:Q9Y259
mRNA ID:NM_005198
Length:395
RefSeq Status:REVIEWED
MAAEATAVAGSGAVGGCLAKDGLQQSKCPDTTPKRRRASSLSRDAERRAYQWCREYLGGAWRRVQPEELRVYPVSGGLSNLLFRCSLPDHLPSVGEEPRE
VLLRLYGAILQGVDSLVLESVMFAILAERSLGPQLYGVFPEGRLEQYIPSRPLKTQELREPVLSAAIATKMAQFHGMEMPFTKEPHWLFGTMERYLKQIQ
DLPPTGLPEMNLLEMYSLKDEMGNLRKLLESTPSPVVFCHNDIQEGNILLLSEPENADSLMLVDFEYSSYNYRGFDIGNHFCEWVYDYTHEEWPFYKARP
TDYPTQEQQLHFIRHYLAEAKKGETLSQEEQRKLEEDLLVEVSRYALASHFFWGLWSILQASMSTIEFGYLDYAQSRFQFYFQQKGQLTSVHSSS