label: a 1-(beta-D-galactosyl)-2-(2-hydroxyacyl)sphing-4-enine + UDP + H(+) => a N-(2-hydroxyacyl)sphing-4-enine + UDP-alpha-D-galactose
label_lc: a 1-(beta-d-galactosyl)-2-(2-hydroxyacyl)sphing-4-enine + udp + h(+) => a n-(2-hydroxyacyl)sphing-4-enine + udp-alpha-d-galactose