1.4.99.6	D-arginine + acceptor + H2O = 5-guanidino-2-oxopentanoate + NH3 + reduced acceptor	a flavoprotein, FAD	-	
1.4.99.6	D-arginine + acceptor + H2O = 5-guanidino-2-oxopentanoate + NH3 + reduced acceptor	A flavoprotein, FAD. Acts to some extent on all D-amino acids, except D-aspartate and D-glutamate	-	
1.4.99.6	D-arginine + acceptor + H2O = 5-guanidino-2-oxopentanoate + NH3 + reduced acceptor	overall reaction	-	
1.4.99.6	D-arginine + acceptor = iminoarginine + reduced acceptor	(1a)	-	
1.4.99.6	iminoarginine + H2O = 5-guanidino-2-oxopentanoate + NH3	(1b), spontaneous	-