2.5.1.21	(2E,6E)-3,7,10-trimethylundeca-2,6-dienyl diphosphate + NADPH	weak	Sus scrofa	diphosphate + ?	-	?	323250	
2.5.1.21	(2E,6E)-3,7,11-trimethyldodeca-2,6-dienyl diphosphate + NADPH	-	Sus scrofa	diphosphate + ?	-	?	323245	
2.5.1.21	(2E,6E)-3,7,12-trimethyltrideca-2,6-dienyl diphosphate + NADPH	weak	Sus scrofa	diphosphate + ?	-	?	323251	
2.5.1.21	(2E,6E)-3,7-dimethyldodeca-2,6-dienyl diphosphate + NADPH	-	Sus scrofa	diphosphate + ?	-	?	323246	
2.5.1.21	(2E,6E)-3,7-dimethyltetradeca-2,6-dienyl diphosphate + NADPH	weak	Sus scrofa	diphosphate + ?	-	?	323249	
2.5.1.21	(2E,6E)-3,7-dimethyltrideca-2,6-dienyl diphosphate + NADPH	weak	Sus scrofa	diphosphate + ?	-	?	323248	
2.5.1.21	(2E,6E)-3,7-dimethylundeca-2,6-dienyl diphosphate + NADPH	weak	Sus scrofa	diphosphate + ?	-	?	323247	
2.5.1.21	(2E,6E)-farnesyl diphosphate + NADH + H+	-	Saccharomyces cerevisiae	squalene + diphosphate + NAD+	-	?	452198	
2.5.1.21	(2E,6E)-farnesyl diphosphate + NADPH + H+	-	Tabernaemontana divaricata	squalene + diphosphate + NADP+	-	?	452199	
2.5.1.21	(E,E)-7-desmethylfarnesyl diphosphate + NADPH	at 60% of the efficiency that farnesyl diphosphate is converted to squalene	Saccharomyces cerevisiae	6,19-didesmethylsqualene + NADP+ + diphosphate	in absence of farnesyl diphosphate, 6-desmethylsqualene is produced in presence of farnesyl diphosphate	?	323242