1.2.1.11	aspartate-semialdehyde dehydrogenase	ectoine biosynthesis	-	-	
2.3.1.178	diaminobutyrate acetyltransferase	ectoine biosynthesis	-	-	
2.6.1.76	diaminobutyrate-2-oxoglutarate transaminase	ectoine biosynthesis	-	-	
2.7.2.4	aspartate kinase	ectoine biosynthesis	-	-	
4.2.1.108	ectoine synthase	ectoine biosynthesis	-	-