>tr|F4TA97|F4TA97_ECOLX Xanthine-guanine phosphoribosyltransferase OS=Escherichia coli M718 GN=gpt MSEKYIVTWDMLQIHARKLASRLMPSEQWKGIIAVSRGGLVPGALLARELGIRHVDTVCI SSYDHDNQRELKVLKRAEGDGEGFIVIDDLVDTGGTAVAIREMYPKAHFVTIFAKPAGRP LVDDYVVDIPQDTWIEQPWDMGVVFVPPISGR