GCA_000020025.1 Npun_R0051 definition phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase GCA_000020025.1 Npun_F2927 definition phosphoribosylaminoimidazole-succinocarboxamide synthase GCA_000020025.1 Npun_R4072 definition phosphoribosylaminoimidazole carboxylase, ATPase subunit GCA_000020025.1 Npun_R5266 definition phosphoribosylaminoimidazole carboxylase, catalytic subunit GCA_000020025.1 Npun_F5829 definition putative phosphoribosylaminoimidazole carboxylase catalytic subunit GCA_000020025.1 Npun_R6316 definition phosphoribosylaminoimidazolecarboxamide formyltransferase/IMP cyclohydrolase