>Q9PAB4|4a-hydroxytetrahydrobiopterin dehydratase|EC 4.2.1.96|Xylella fastidiosa (strain 9a5c)|Swiss-Prot MNDLITLAQAHCQPREKKEHKLGQARLAELLPQVPGWELSNNGHALTRTFRFDNYYRTLA FVNALAFIAHCEDHHPDMSVHYGRAVVCFSTHKIGGISENDFICAAKTSALYEQGI