66.48
[1]. Choi CH, et al. Sphingosine 1-phosphate and sphingosine kinase activity during chicken embryonic development. Arch Pharm Res. 2007 Apr;0(4):502-6.
[2]. Hong JH, et al. K6PC-5, a direct activator of sphingosine kinase 1, promotes epidermal differentiation through intracellular Ca2+ signaling. J Invest Dermatol. 2008 Sep;128(9):2166-78.
[]. Stewart ME, et al. Free sphingosines of human skin include 6-hydroxysphingosine and unusually long-chain dihydrosphingosines. J Invest Dermatol. 1995 Oct;105(4):61-8.
H02-H15-H19-H5
P261-P264-P270-P271-P280-P02+P52-P04+P40-P0-P62+P64-P405-P501