abf:AMK58_22350 K01724 4a-hydroxytetrahydrobiopterin dehydratase [EC:4.2.1.96] | (GenBank) pterin dehydratase abf:AMK58_22345 K06984 beta-ribofuranosylaminobenzene 5'-phosphate synthase [EC:2.4.2.54] | (GenBank) GHMP kinase