1	ILO	N5-iminoethyl-L-ornithine	1.000
2	4JK	(S)-2-amino-5-(2-hydroxyacetimidamido)pentanoic acid	0.923
3	FIO	N~5~-[(1e)-2-fluoroethanimidoyl]-L-ornithine	0.923
4	LN5	N5-(1-iminopropyl)-L-ornithine	0.923
5	VUR	(S)-2-amino-5-(2-mercaptoacetimidamido)pentanoic acid	0.923
6	WT2	(S)-2-amino-5-(2-oxoacetimidamido)pentanoic acid	0.923
7	JM2	N~5~-[2-(methylsulfanyl)ethanimidoyl]-L-ornithine	0.857
8	VIO	N5-(1-imino-3-butenyl)-L-ornithine	0.857
9	4VI	(2z,4e)-5-carbamimidamido-2-iminopent-4-enoic acid	0.846
10	85G	N-ethyl-L-glutamine	0.846
11	AR7	Amino{[(4s)-4-amino-5,5-dihydroxypentyl]amino}methaniminium	0.846
12	ARG	Arginine	0.846
13	CIR	Citrulline	0.846
14	DAR	D-arginine	0.846
15	GND	2-amino-5-guanidino-pentanoic acid	0.846
16	IAR	(2e)-5-[(diaminomethylidene)amino]-2-iminopentanoic acid	0.846
17	ORQ	N~5~-acetyl-L-ornithine	0.846
18	SCI	L-thiocitrulline	0.846
19	JM7	N~5~-[2-(ethylsulfanyl)ethanimidoyl]-L-ornithine	0.800
20	LN6	N~5~-[(1e)-pentanimidoyl]-L-ornithine	0.800
21	LN7	N~5~-[(1s)-1-aminopentyl]-L-ornithine	0.800
22	RGE	(2s)-2-amino-5-(2-(methylsulfinyl)acetimidamido)pentanoic acid	0.800
23	4D4	(2s,3r)-2-azanyl-5-carbamimidamido-3-oxidanyl-pentanoic acid	0.786
24	85J	N-propyl-L-glutamine	0.786
25	AGM	5-methyl-arginine	0.786
26	AHO	N-acetyl-N-hydroxy-L-ornithine	0.786
27	ARO	C-gamma-hydroxy arginine	0.786
28	HAR	N-omega-hydroxy-L-arginine	0.786
29	NMM	(2s)-2-amino-5-[(N-methylcarbamimidoyl)amino]pentanoic acid	0.786
30	SMZ	N~5~-[(E)-imino(methylsulfanyl)methyl]-L-ornithine	0.786
31	WYK	(2s,4s)-4-hydroxy-L-arginine	0.786
32	ZZU	(2s,3s)-3-hydroxyarginine	0.786
33	GVA	5-{[amino(imino)methyl]amino}pentanoic acid	0.769
34	MEQ	N5-methylglutamine	0.769
35	OAR	N-(4-amino-5-hydroxy-pentyl)-guanidine	0.769
36	RGL	Arginal	0.769
37	CCW	(S)-2-amino-5-(2-(methylsulfonyl)acetimidamido)pentanoic acid	0.750
38	JM5	N~5~-[2-(propylsulfanyl)ethanimidoyl]-L-ornithine	0.750
39	JM6	N~5~-[4-(methylsulfanyl)butanimidoyl]-L-ornithine	0.750
40	JM8	N~5~-[(3-(ethylsulfanyl)propanimidoyl]-L-ornithine	0.750
41	1KJ	N~5~-(N-methoxycarbamimidoyl)-L-ornithine	0.733
42	2OR	Amino{[(2r,3r,4s)-4-amino-2,3,5-trihydroxy-5-oxopentyl]amino}methaniminium	0.733
43	3KJ	N~5~-(N-hydroxy-N-methylcarbamimidoyl)-L-ornithine	0.733
44	5KJ	N~5~-(N-hydroxycarbamimidoyl)-N~5~-methyl-L-ornithine	0.733
45	9R7	L-gamma-glutamylglycine	0.733
46	DA2	Ng,ng-dimethyl-L-arginine	0.733
47	J9Y	(2s)-2-amino-5-{[(E)-amino(methylamino)methylidene](hydroxy)azaniumyl}pentanoate	0.733
48	AAR	Arginineamide	0.714
49	ARM	Deoxy-methyl-arginine	0.714
50	FH7	N^5^-formyl-N^5^-hydroxy-D-ornithine	0.714
51	FHO	N^5^-formyl-N^5^-hydroxy-L-ornithine	0.714
52	JX7	5-carbamimidamido-2-oxopentanoic acid	0.714
53	NWG	5-[(diaminomethylidene)amino]-2-oxopentanoic acid	0.714
54	QMM	N,N-dimethyl-L-glutamine	0.714
55	JM4	N~5~-{3-[(1-methylethyl)sulfanyl]propanimidoyl}-L-ornithine	0.706