>tr|K2LXN2|K2LXN2_HELPX Adenine phosphoribosyltransferase OS=Helicobacter pylori R055a GN=apt MNETLKEELLQSIREVKDYPKKGILFKDITTLLNYPKLFNKLIDALKKRYLALNIDFIVG IEARGFILGSALAYALGVGFVPVRKKGKLPAHTLSQSYSLEYGSDSIEIHSDAFRGVKGV RVVLIDDLLATGGTALASLELIKALQAECIEACFLIGLKELPGIQLLEERVKTFCLLEC