>1y1s_E mol:protein length:253 Uridine phosphorylase MSKSDVFHLGLTKNDLQGAQLAIVPGDPERVEKIAALMDKPVKLASHREFTSWRAELDG KAVIVCSTGIGGPSTSIAVEELAQLGIRTFLRIGTTGAIQPHINVGDVLVTTASVRLDG ASLHFAPMEFPAVADFACTTALVEAAKSIGATTHVGVTASSDTFYPGQERYDTYSGRVV RRFKGSMEEWQAMGVMNYEMESATLLTMCASQGLRAGMVAGVIVNRTQQEIPNAETMKQ TESHAVKIVVEAARRLL