>tr|C7GIR8|C7GIR8_YEAS2 4a-hydroxytetrahydrobiopterin dehydratase OS=Saccharomyces cerevisiae GN=C1Q_00067 MHNKIVRIASSALTGGKLLEKLKPLTRWEVQWDPNKTKCLGITREVTFKDYETTWAFLTR VSMRSHLWGHHPLIHTSYTWVKLELHTHDIDPKDGAHSQLSDIDVRMAKRIDSYIDEMTT