1	HHI	(2z)-3-(1h-imidazol-5-yl)-2-iminopropanoic acid	1.000
2	DHI	D-histidine	1.000
3	HIS	Histidine	1.000
4	2HF	2-fluoro-L-histidine	0.917
5	A1AS0	5-selanyl-L-histidine	0.917
6	A1ASZ	5-sulfanyl-L-histidine	0.917
7	A1AZ2	3-methyl-D-histidine	0.917
8	A1I9G	3(S)-methyl-histidine	0.917
9	B3U	2-amino-L-histidine	0.917
10	EI4	Enduracididine	0.917
11	HIC	4-methyl-histidine	0.917
12	HSK	3-hydroxy-L-histidine	0.917
13	MHS	N1-methylated histidine	0.917
14	OHI	3-(2-oxo-2h-imidazol-4-yl)-L-alanine	0.917
15	V5N	(2s,3s)-2-azanyl-3-(1h-imidazol-5-yl)-3-oxidanyl-propanoic acid	0.917
16	HSO	L-histidinol	0.909
17	HSV	L-histidinal	0.909
18	MWQ	3-(1~{H}-imidazol-5-yl)propanoic acid	0.909
19	URO	(2e)-3-(1h-imidazol-4-yl)acrylic acid	0.909
20	HOO	(2~{S})-2-azanyl-3-[2,5-bis(oxidanylidene)imidazol-4-yl]propanoic acid	0.846
21	OGC	Gamma-N-methyl-beta-oh-histidine	0.846
22	OYL	1-ethyl-L-histidine	0.846
23	83O	(2s)-2-azanyl-3-(4h-1,2,4-triazol-3-yl)propanoic acid	0.833
24	DYT	(2~{S})-2-chloranyl-3-(1~{H}-imidazol-5-yl)propanoic acid	0.833
25	ECD	(4r)-4-(2-carboxyethyl)imidazolidin-2-iminium	0.833
26	HIA	L-histidine amide	0.833
27	HIX	3-(1h-1,2,3-triazol-5-yl)-L-alanine	0.833
28	KCJ	3-(1,3-thiazol-4-yl)-L-alanine	0.833
29	O66	3-[(4~{R})-5-oxidanylidene-1,4-dihydroimidazol-4-yl]propanoic acid	0.833
30	Q75	Thiazole-histidine	0.833
31	1MH	3-pyridin-3-yl-L-alanine	0.769
32	DI6	3-[(4s)-2,5-dioxoimidazolidin-4-yl]propanoic acid	0.769
33	E9V	N-methyl-L-histidine	0.769
34	PVH	Histidine-methyl-ester	0.769
35	R2P	(2r)-2-amino-3-(4-hydroxy-1,2,5-thiadiazol-3-yl)propanoic acid	0.769
36	S2P	(2s)-2-amino-3-(4-hydroxy-1,2,5-thiadiazol-3-yl)propanoic acid	0.769
37	A1IQX	Ne2-acetamide-histidine	0.733
38	HIP	Nd1-phosphonohistidine	0.733
39	HS8	3-(1-sulfo-1h-imidazol-3-ium-4-yl)-L-alanine	0.733
40	NEP	N1-phosphonohistidine	0.733
41	PSH	1-thiophosphono-L-histidine	0.733
42	SNK	(2~{R})-2-azanyl-3-(4-ethanoylsulfanyl-1~{H}-imidazol-5-yl)propanoic acid	0.733
43	HSM	Histamine	0.727
44	A1H6Z	(2~{S})-2-azanyl-3-(6-azanylpyridin-3-yl)propanal	0.714
45	A1L7K	(2~{S})-2-azanyl-3-[(3~{S})-2-oxidanylidenepiperidin-3-yl]propanoic acid	0.714
46	AVI	N,N-dimethyl-L-histidine	0.714
47	HJH	(2~{S})-2-azanyl-3-(2-methyl-5-oxidanyl-1,2,3-triazol-4-yl)propanoic acid	0.714
48	PRR	3-(methyl-pyridinium)alanine	0.714