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