Pathway
Metabolic pathways, organism-specific biosystem; Metabolism, organism-specific biosystem; Metabolism of nucleotides, organism-specific biosystem; Pyrimidine metabolism, organism-specific biosystem; Pyrimidine metabolism, conserved biosystem; Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP, CDP/CTP, organism-specific biosystem; Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP, CDP/CTP, conserved biosystem; Synthesis and interconversion of nucleotide di- and triphosphates, organ