label: lipopolysaccharide core heptosyltransferase activity
label_lc: lipopolysaccharide core heptosyltransferase activity
description: "Catalysis of the reaction: glucosyl-heptosyl2-KDO2-lipid A-phosphate + ADP-L-glycero-beta-D-manno-heptose = glucosyl-heptosyl3-KDO2-lipid A-phosphate + ADP + H+."