>tr|A0A0E2L976|A0A0E2L976_ECOU3 Xanthine-guanine phosphoribosyltransferase OS=Escherichia coli GN=gpt MSEKYIVTWDMLQIHARKLASRLMPSEQWKGIIAVSRGGLVPGALLARELGIRHVDTVCI SSYDHDNQRELKVLKRAEGDGEGFIVIDDLVDTGGTAVAIREMYPKAHFITIFAKPAGRP LVDDYVVDIPQNTWIEQPWDMGVVFVPPISGR