label: ADP-alpha-D-glucose + (2R)-3-phosphoglycerate => (2R)-2-O-(alpha-D-glucopyranosyl)-3-phospho-glycerate + ADP + H(+)
label_lc: adp-alpha-d-glucose + (2r)-3-phosphoglycerate => (2r)-2-o-(alpha-d-glucopyranosyl)-3-phospho-glycerate + adp + h(+)