4ej0 is a 10 chain structure with sequence from Burkholderia thailandensis E264. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
HLDD_BURTA Catalyzes the interconversion between ADP-D-glycero-beta-D-manno-heptose and ADP-L-glycero-beta-D-manno-heptose via an epimerization at carbon 6 of the heptose (By similarity).