>tr|A0A1X3J5J3|A0A1X3J5J3_ECOLX Xanthine-guanine phosphoribosyltransferase OS=Escherichia coli TA447 GN=gpt MSEKYIVTWDMLQIHARKLASRLMPSEQWKGIIAVSRGGLVPGALLARELGIRHVDTVCI SSYDHDNQRELKVLKRAEGDGEGFIVIDDLVDTGGTAVAIREMYPKAHFVTIFAKPAGRP LVDDYVVDIPQDTWIEQPWDMGVVFVPPISGR