>sp|Q8XBJ2|MURQ_ECO57 N-acetylmuramic acid 6-phosphate etherase OS=Escherichia coli O157:H7 GN=murQ MQLEKMITEGSNAASAEIDRVSTLEMCRIINDEDKTVPLAVERVLPDIAAAIDVIHAQVS GGGRLIYLGAGTSGRLGILDASECPPTYGVKPGLVVGLIAGGEYAIQHAVEGAEDSREGG VNDLKNIGLTAQDVVVGIAASGRTPYVIAGLEYARQLGCRTVGISCNPGSAVSTTAEFAI TPVVGAEVVTGSSRMKAGTAQKLVLNMLSTGLMIKSGKVFGNLMVDVVATNEKLHVRQVN IVKNATGCNAEQAEAALIACERNCKTAIVMVLKNLDAAEAKKRLDQHGGFIRQVLDKE