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CATH Classification

Domain Context

CATH Clusters

Superfamily Transcription Factor, Ets-1
Functional Family Phosphatidylcholine:ceramide cholinephosphotransferase 1

Enzyme Information

2.7.8.27
Sphingomyelin synthase.
based on mapping to UniProt Q8VCQ6
A ceramide + a phosphatidylcholine = a sphingomyelin + a 1,2-diacyl- sn-glycerol.
-!- The reaction can occur in both directions. -!- Occupies a central position in sphingolipid and glycerophospholipid metabolism. -!- Up- and down-regulation of its activity has been linked to mitogenic and pro-apoptotic signaling in a variety of mammalian cell types. -!- Unlike EC 2.7.8.3 CDP-choline cannot replace phosphatidylcholine as the donor of the phosphocholine moiety of sphingomyelin.

UniProtKB Entries (1)

Q8VCQ6
SMS1_MOUSE
Mus musculus
Phosphatidylcholine:ceramide cholinephosphotransferase 1

PDB Structure

PDB 2D8C
External Links
Method SOLUTION NMR
Organism
Primary Citation
Solution structure of the sam-domain of mouse phosphatidyl ceramidecholinephosphotransferase 1
Goroncy, A.K., Kigawa, T., Koshiba, S., Tomizawa, T., Kobayashi, N., Tochio, N., Inoue, M., Yokoyama, S.
To be Published
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