>sp|A9R0Q1|APT_YERPG Adenine phosphoribosyltransferase OS=Yersinia pestis bv. Antiqua GN=apt MTVSASKTAQQLKYIKDSIKTIPDYPKAGILFRDVTSLLENPKAYSASIKLLSEHYSESG VTKVVGTEARGFLFGAPVALALGVGFVPVRKPGKLPRETISESYELEYGTDTLEIHTDSI QPGDKVLVVDDLLATGGTIEATVKLIRRLGGEVVHAAFIINLPELGGEARLTQQGIHCYS LVSFDGH