At the n - terminal end is the variable domain of 26 amino acids in length , which has no conserved mgxxc ( s / q ) xxt sequence essential for n - myristoylation . so it is conferred that the vfcpkl is a soluble protein N端的可變區(qū)有26個氨基酸殘基,沒有豆蔻?;匦璧谋J匦蛄衜gxxc ( s q ) xxt ,因此推測vfcpk1可能是水溶性蛋白。