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EC 2.3.1.250 Details
EC number
2.3.1.250
Accepted name
[Wnt protein] O-palmitoleoyl transferase
Reaction
(9Z)-hexadec-9-enoyl-CoA + [Wnt]-L-serine = CoA + [Wnt]-O-(9Z)-hexadec-9-enoyl-L-serine
Other name(s)
porcupine, PORCN (gene name)
Systematic name
(9Z)-hexadec-9-enoyl-CoA:[Wnt]-L-serine O-hexadecenoyltransferase
Comment
The enzyme, found in animals, modifies a specific serine residue in Wnt proteins, e.g. Ser209 in human Wnt3a and Ser224 in chicken WNT1 [2,3]. The enzyme can accept C13 to C16 fatty acids in vitro, but only (9Z)-hexadecenoate modification is observed in vivo [1]. cf. EC 3.1.1.98, [Wnt protein]-O-palmitoleoyl-L-serine hydrolase.
History
created 2015
EC Tree
2.3.1.55 created 1976, deleted 1999
2.3.1.120 created 1990, deleted 1992
2.3.1.124 created 1990, deleted 1992