ID 4.2.1.116 DE 3-hydroxypropionyl-CoA dehydratase. AN 3-hydroxypropanoate-CoA dehydratase. AN 3-hydroxypropionyl-CoA hydro-lyase. CA 3-hydroxypropanoyl-CoA = acryloyl-CoA + H2O. CC -!- Catalyzes a step in the 3-hydroxypropanoate/4-hydroxybutyrate cycle, CC an autotrophic CO2 fixation pathway found in some thermoacidophilic CC archaea. CC -!- The enzyme from Metallosphaera sedula acts nearly equally as well on CC (S)-3-hydroxybutanoyl-CoA but not (R)-3-hydroxybutanoyl-CoA. DR A4YI89, HPCD_METS5 ; //