>tr|A0ABX8XFK9|A0ABX8XFK9_SHEPU 4a-hydroxytetrahydrobiopterin dehydratase OS=Shewanella putrefaciens GN=K3G22_06555 MTVLSDMKCEACQADAPKVTDEELAELVRMIPDWSVQVRDGIMQLERVYKFKNFKLAMAF TNKLAELAEEEFHHPGIFTEWGKVTVTWWSHSIKGLHRNDFIMAAKTDQLLG