>tr|C3TNV2|C3TNV2_ECOLX Xanthine-guanine phosphoribosyltransferase OS=Escherichia coli GN=gpt MSEKYIVTWDMLQIHARKLASRLMPSEQWKGIIAVSRGGLVPGALLARELGIRHVDTVCI SSYDHDNQRELKVLKRAEGDGEGFIVIDDLVDTGGTAVAIREMYPKAHFVTIFAKPAGRP LVDDYVVDIPQDTWIEQPWDMGVVFVPPISGR