4.2.1.150	3-hydroxybutyryl-CoA	-	
4.2.1.150	crotonyl-CoA + H2O	the enzyme is involved in autotrophic carbon fixation	
4.2.1.150	crotonyl-CoA + H2O	the enzyme is involved in the 3-hydroxypropionate/4-hydroxybutyrate carbon fixation pathway	
4.2.1.150	crotonyl-CoA + H2O	-