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