Names & Taxonomy

Uniprot ID:
Q9Y5K3
Entry Name:
PCY1B_HUMAN
Status:
reviewed
Protein Names:
Choline-phosphate cytidylyltransferase B (EC 2.7.7.15) (CCT-beta) (CTP:phosphocholine cytidylyltransferase B) (CCT B) (CT B) (Phosphorylcholine transferase B)
Gene Names:
PCYT1B CCTB
Gene Names Primary:
PCYT1B
Organism:
Homo sapiens (Human)

Structure

Length:
369
Sequence:
MPVVTTDAESETGIPKSLSNEPPSETMEEIEHTCPQPRLTLTAPAPFADETNCQCQAPHEKLTIAQARLGTPADRPVRVYADGIFDLFHSGHARALMQAKTLFPNSYLLVGVCSDDLTHKFKGFTVMNEAERYEALRHCRYVDEVIRDAPWTLTPEFLEKHKIDFVAHDDIPYSSAGSDDVYKHIKEAGMFVPTQRTEGISTSDIITRIVRDYDVYARRNLQRGYTAKELNVSFINEKRYRFQNQVDKMKEKVKNVEERSKEFVNRVEEKSHDLIQKWEEKSREFIGNFLELFGPDGAWKQMFQERSSRMLQALSPKQSPVSSPTRSRSPSRSPSPTFSWLPLKTSPPSSPKAASASISSMSEGDEDEK
Proteomes:
UP000005640

Subcellular location

Subcellular Location:
Endoplasmic reticulum.

Function

Function:
Controls phosphatidylcholine synthesis.
Pathway:
Phospholipid metabolism; phosphatidylcholine biosynthesis; phosphatidylcholine from phosphocholine: step 1/2.
Catalytic Activity:
CTP + phosphocholine = diphosphate + CDP-choline.
Cross Reference Drug Bank:
DB00122
Gene Ontology Go:
cytoplasm
endoplasmic reticulum membrane
choline-phosphate cytidylyltransferase activity
CDP-choline pathway
glycerophospholipid biosynthetic process
ovarian follicle development
phosphatidylcholine biosynthetic process
phospholipid metabolic process
small molecule metabolic process
spermatogenesis
Gene Ontology Biological Process:
CDP-choline pathway
glycerophospholipid biosynthetic process
ovarian follicle development
phosphatidylcholine biosynthetic process
phospholipid metabolic process
small molecule metabolic process
spermatogenesis
Gene Ontology Molecular Function:
choline-phosphate cytidylyltransferase activity
Gene Ontology Cellular Component:
cytoplasm
endoplasmic reticulum membrane
Keywords:
Alternative splicing
Complete proteome
Endoplasmic reticulum
Lipid biosynthesis
Lipid metabolism
Nucleotidyltransferase
Phospholipid biosynthesis
Phospholipid metabolism
Phosphoprotein
Reference proteome
Transferase

Publication

PubMed ID:
9593753 10480912 14702039 15772651 15489334 21406692