>B0RTH5|4a-hydroxytetrahydrobiopterin dehydratase|EC 4.2.1.96|Xanthomonas campestris pv. campestris (strain B100)|Swiss-Prot MTDLIPLEQAHCLPRKGSDHKLGEARLAELLPQVPGWELAESGMAITRTFRFADYYRTLA FVNALAWIAHREDHHPDLGVHYDRVVVRYSTHDVGGLSENDFICAAKAAQLFDQGITA