>1y1s_B mol:protein length:253 Uridine phosphorylase MSKSDVFHLGLTKNDLQGAQLAIVPGDPERVEKIAALMDKPVKLASHREFTSWRAELDG KAVIVCSTGIGGPSTSIAVEELAQLGIRTFLRIGTTGAIQPHINVGDVLVTTASVRLDG ASLHFAPMEFPAVADFACTTALVEAAKSIGATTHVGVTASSDTFYPGQERYDTYSGRVV RRFKGSMEEWQAMGVMNYEMESATLLTMCASQGLRAGMVAGVIVNRTQQEIPNAETMKQ TESHAVKIVVEAARRLL