1.14.19.3	alpha-linolenoyl-CoA + 2 ferrocytochrome b5 + O2 + 2 H+	-	
1.14.19.3	alpha-linolenoyl-CoA + ferrocytochrome b5 + O2 + H+	-	
1.14.19.3	alpha-linoleoyl-CoA + AH2 + O2	-	
1.14.19.3	linoleic acid + AH2 + O2	-	
1.14.19.3	linoleoyl-CoA + 2 ferrocytochrome b5 + O2 + 2 H+	-	
1.14.19.3	linoleoyl-CoA + AH2 + O2	-	
1.14.19.3	linoleoyl-CoA + ferrocytochrome b5 + O2 + H+	-	
1.14.19.3	additional information	D6D activity in preterm, term, and post-natals is estimated by the 20:3n-6/18:2n-6 ratio	
1.14.19.3	additional information	delta 6 desaturase (FADS6) is a key bifunctional enzyme desaturating linoleic acid or alpha-linolenic acid, analysis of the molecular mechanism of substrate specificity, overview	
1.14.19.3	linoleic acid + AH2 + O2	DELTA6-desaturase reaction is the rate-limiting step in the conversion of linoleic acid and alpha linoleic acids to the longer, more highly unsaturated members of the n-6 and n-3 polyunsaturated fatty acids, metabolic pathway in mammalian cells