>sp|A8AKQ0|XGPT_CITK8 Xanthine-guanine phosphoribosyltransferase OS=Citrobacter koseri GN=gpt MSEKYVVTWDMLQIHARKLASRLMPSEQWKGIIAVSRGGLVPGALLARELGIRHVDTVCI SSYDHDNQRELKVLKRAEGDGEGFIVIDDLVDTGGTAVAIREMYPKAHFVTIFAKPAGRP LVDDYVIDIPQDTWIEQPWDMGVVFVPPISGR