2.5.1.66	N2-(2-carboxyethyl)arginine synthase	C-N bond formation	-	Streptomyces clavuligerus	-	
4.3.1.24	phenylalanine ammonia-lyase	C-N bond formation	-	Rhodococcus rubra	-	
4.3.1.24	phenylalanine ammonia-lyase	C-N bond formation	-	Rhodotorula mucilaginosa	-	
6.3.1.10	adenosylcobinamide-phosphate synthase	C-N bond formation	-	Halobacterium sp.	-	
6.3.3.1	phosphoribosylformylglycinamidine cyclo-ligase	C-N bond formation	-	Vigna unguiculata	-