label: 1,2-di-(9Z-octadecenoyl)-sn-glycerol + UDP-alpha-D-galactose <=> 1,2-di-(9Z-octadecenoyl)-3-beta-D-galactosyl-sn-glycerol + UDP + H(+)
label_lc: 1,2-di-(9z-octadecenoyl)-sn-glycerol + udp-alpha-d-galactose <=> 1,2-di-(9z-octadecenoyl)-3-beta-d-galactosyl-sn-glycerol + udp + h(+)