1	JX7	5-carbamimidamido-2-oxopentanoic acid	1.000
2	NWG	5-[(diaminomethylidene)amino]-2-oxopentanoic acid	1.000
3	EGV	(4s)-5-carbamimidamido-4-hydroxy-2-oxopentanoic acid	0.923
4	GVA	5-{[amino(imino)methyl]amino}pentanoic acid	0.917
5	4VI	(2z,4e)-5-carbamimidamido-2-iminopent-4-enoic acid	0.846
6	AR7	Amino{[(4s)-4-amino-5,5-dihydroxypentyl]amino}methaniminium	0.846
7	ARG	Arginine	0.846
8	DAR	D-arginine	0.846
9	GND	2-amino-5-guanidino-pentanoic acid	0.846
10	IAR	(2e)-5-[(diaminomethylidene)amino]-2-iminopentanoic acid	0.846
11	4D4	(2s,3r)-2-azanyl-5-carbamimidamido-3-oxidanyl-pentanoic acid	0.786
12	AGM	5-methyl-arginine	0.786
13	ARO	C-gamma-hydroxy arginine	0.786
14	L06	5-{[amino(imino)methyl]amino}-2-(sulfanylmethyl)pentanoic acid	0.786
15	MMO	N~2~-methyl-L-arginine	0.786
16	WYK	(2s,4s)-4-hydroxy-L-arginine	0.786
17	ZZU	(2s,3s)-3-hydroxyarginine	0.786
18	OAR	N-(4-amino-5-hydroxy-pentyl)-guanidine	0.769
19	RGL	Arginal	0.769
20	2OR	Amino{[(2r,3r,4s)-4-amino-2,3,5-trihydroxy-5-oxopentyl]amino}methaniminium	0.733
21	AAR	Arginineamide	0.714
22	ARM	Deoxy-methyl-arginine	0.714
23	CIR	Citrulline	0.714
24	ILO	N5-iminoethyl-L-ornithine	0.714
25	SCI	L-thiocitrulline	0.714