label: sn-glycerol 3-phosphate + UDP-alpha-D-galactose <=> 2-(alpha-D-galactosyl)-sn-glycerol 3-phosphate + UDP + H(+)
label_lc: sn-glycerol 3-phosphate + udp-alpha-d-galactose <=> 2-(alpha-d-galactosyl)-sn-glycerol 3-phosphate + udp + h(+)