LMPD Database

LMP012585

UniProt Annotations

Entry Information
Gene Namecholine kinase beta
Protein EntryCHKB_RAT
UniProt IDO54783
SpeciesRat
Comments
Comment typeDescription
Catalytic ActivityATP + choline = ADP + phosphocholine.
Catalytic ActivityATP + ethanolamine = ADP + O- phosphoethanolamine.
FunctionHas a key role in phospholipid biosynthesis. Catalyzes the first step in phosphatidylethanolamine biosynthesis. Phosphorylates ethanolamine, and can also act on choline (in vitro). Has higher activity with ethanolamine. May not significantly contribute to in vivo phosphatidylcholine biosynthesis (By similarity)
PathwayPhospholipid metabolism; phosphatidylethanolamine biosynthesis; phosphatidylethanolamine from ethanolamine: step 1/3.
SimilarityBelongs to the choline/ethanolamine kinase family
SubunitHomodimer, and heterodimer with CHKA