2.3.1.30	serine O-acetyltransferase	D-cycloserine biosynthesis	-	-	
2.6.99.3	O-ureido-L-serine synthase	D-cycloserine biosynthesis	-	-	
2.6.99.3	O-ureido-L-serine synthase	D-cycloserine biosynthesis	D-cycloserine biosynthesis	-	
3.5.3.25	Nomega-hydroxy-L-arginine amidinohydrolase	D-cycloserine biosynthesis	-	-	
3.5.3.25	Nomega-hydroxy-L-arginine amidinohydrolase	D-cycloserine biosynthesis	D-cycloserine biosynthesis	-	
5.1.1.19	O-ureido-serine racemase	D-cycloserine biosynthesis	-	-	
5.1.1.19	O-ureido-serine racemase	D-cycloserine biosynthesis	D-cycloserine biosynthesis	-	
6.3.3.5	O-ureido-D-serine cyclo-ligase	D-cycloserine biosynthesis	-	-	
6.3.3.5	O-ureido-D-serine cyclo-ligase	D-cycloserine biosynthesis	D-cycloserine biosynthesis	-