cmet:K6K41_25495 K01724 4a-hydroxytetrahydrobiopterin dehydratase [EC:4.2.1.96] | (GenBank) 4a-hydroxytetrahydrobiopterin dehydratase cmet:K6K41_25490 K06984 beta-ribofuranosylaminobenzene 5'-phosphate synthase [EC:2.4.2.54] | (GenBank) GHMP kinase