Uridine phosphorylase 1 (UPase 1) (UrdPase 1) (EC 2.4.2.3)
1_MAATG 6_ ANAEK 11_ AESHN 16_ DCPVR 21_ LLNPN 26_ IAKMK 31_ EDILY 36_ HFNLT 41_ TSRHN 46_ FPALF 51_ GDVKF 56_ VCVGG 61_ SPSRM 66_ KAFIR 71_ CVGAE 76_ LGLDC 81_ PGRDY 86_ PNICA 91_ GTDRY 96_ AMYKV 101_ GPVLS 106_ VSHGM 111_ GIPSI 116_ SIMLH 121_ ELIKL 126_ LYYAR 131_ CSNVT 136_ IIRIG 141_ TSGGI 146_ GLEPG 151_ TVVIT 156_ EQAVD 161_ TCFKA 166_ EFEQI 171_ VLGKR 176_ VIRKT 181_ DLNKK 186_ LVQEL 191_ LLCSA 196_ ELSEF 201_ TTVVG 206_ NTMCT 211_ LDFYE 216_ GQGRL 221_ DGALC 226_ SYTEK 231_ DKQAY 236_ LEAAY 241_ AAGVR 246_ NIEME 251_ SSVFA 256_ AMCSA 261_ CGLQA 266_ AVVCV 271_ TLLNR 276_ LEGDQ 281_ ISSPR 286_ NVLSE 291_ YQQRP 296_ QRLVS 301_YFIKK
1: Catalyzes the reversible phosphorylytic cleavage of uridine to uracil and ribose-1-phosphate which can then be utilized as carbon and energy sources or in the rescue of pyrimidine bases for nucleotide synthesis (PubMed:7488099). Shows broad substrate specificity and can also accept deoxyuridine and other analogous compounds (Probable)