Uracil phosphoribosyltransferase 1; Catalyzes the conversion of uracil and 5-phospho-alpha-D- ribose 1-diphosphate (PRPP) to UMP and diphosphate.

Uracil phosphoribosyltransferase 2; Catalyzes the conversion of uracil and 5-phospho-alpha-D- ribose 1-diphosphate (PRPP) to UMP and diphosphate.

Uracil phosphoribosyltransferase 1; Catalyzes the conversion of uracil and 5-phospho-alpha-D- ribose 1-diphosphate (PRPP) to UMP and diphosphate.

Putative uracil phosphoribosyltransferase urg2; Catalyzes the conversion of uracil and 5-phospho-alpha-D- ribose 1-diphosphate (PRPP) to UMP and diphosphate; Belongs to the UPRTase family.

Uracil phosphoribosyltransferase 1; Catalyzes the conversion of uracil and 5-phospho-alpha-D- ribose 1-diphosphate (PRPP) to UMP and diphosphate.

Uridine kinase; Catalyzes the conversion of uridine into UMP and cytidine into CMP in the pyrimidine salvage pathway.

Ribose-phosphate pyrophosphokinase 1; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Ribose-phosphate pyrophosphokinase 2; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Ribose-phosphate pyrophosphokinase 1; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Amidophosphoribosyltransferase.

Ribose-phosphate pyrophosphokinase 1; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Ribose-phosphate pyrophosphokinase 5; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Ribose-phosphate pyrophosphokinase 1; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Orotate phosphoribosyltransferase; Catalyzes the transfer of a ribosyl phosphate group from 5- phosphoribose 1-diphosphate to orotate, leading to the formation of orotidine monophosphate (OMP); Belongs to the purine/pyrimidine phosphoribosyltransferase family. PyrE subfamily.

Ribose-phosphate pyrophosphokinase 2; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Ribose-phosphate pyrophosphokinase 1; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Ribose-phosphate pyrophosphokinase 2; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Amidophosphoribosyltransferase.

Ribose-phosphate pyrophosphokinase 2; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Adenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. Belongs to the purine/pyrimidine phosphoribosyltransferase family.

Ribose-phosphate pyrophosphokinase 2; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Ribose-phosphate pyrophosphokinase 5; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Ribose-phosphate pyrophosphokinase 2; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Orotate phosphoribosyltransferase; Catalyzes the transfer of a ribosyl phosphate group from 5- phosphoribose 1-diphosphate to orotate, leading to the formation of orotidine monophosphate (OMP); Belongs to the purine/pyrimidine phosphoribosyltransferase family. PyrE subfamily.

Amidophosphoribosyltransferase.

Ribose-phosphate pyrophosphokinase 1; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Amidophosphoribosyltransferase.

Ribose-phosphate pyrophosphokinase 2; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Amidophosphoribosyltransferase.

Adenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. Belongs to the purine/pyrimidine phosphoribosyltransferase family.

Amidophosphoribosyltransferase.

Ribose-phosphate pyrophosphokinase 5; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Amidophosphoribosyltransferase.

Orotate phosphoribosyltransferase; Catalyzes the transfer of a ribosyl phosphate group from 5- phosphoribose 1-diphosphate to orotate, leading to the formation of orotidine monophosphate (OMP); Belongs to the purine/pyrimidine phosphoribosyltransferase family. PyrE subfamily.

Adenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. Belongs to the purine/pyrimidine phosphoribosyltransferase family.

Ribose-phosphate pyrophosphokinase 2; 5-phosphoribose 1-diphosphate synthase involved in nucleotide, histidine, and tryptophan biosynthesis. Active in heteromultimeric complexes with other 5-phosphoribose 1-diphosphate synthases (By similarity); Belongs to the ribose-phosphate pyrophosphokinase family.

Adenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. Belongs to the purine/pyrimidine phosphoribosyltransferase family.

Amidophosphoribosyltransferase.

Adenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. Belongs to the purine/pyrimidine phosphoribosyltransferase family.

Hypoxanthine-guanine phosphoribosyltransferase; Converts guanine to guanosine monophosphate, and hypoxanthine to inosine monophosphate. Transfers the 5-phosphoribosyl group from 5- phosphoribosylpyrophosphate onto the purine. Plays a central role in the generation of purine nucleotides through the purine salvage pathway (By similarity); Belongs to the purine/pyrimidine phosphoribosyltransferase family.