1 8QJ (1s)-1-carboxy-2-[2-(hydroxysulfanyl)-1h-imidazol-4-yl]-N,N,N-trimethylethan-1-aminium 1.000 2 LW8 Trimethyl-[(2s)-1-oxidanyl-1-oxidanylidene-3-(2-sulfanylidene-1,3-dihydroimidazol-4-yl)propan-2-yl]azanium 0.938 3 DV6 [(2s)-3-[(2s)-2-(disulfanyl)-2,3-dihydro-1h-imidazol-4-yl]-1-oxidanyl-1-oxidanylidene-propan-2-yl]-trimethyl-azanium 0.882 4 AVJ N,N,N-trimethyl-histidine 0.875 5 KZ5 (2~{S})-2-(dimethylamino)-3-(2-sulfo-1~{H}-imidazol-4-yl)propanoic acid 0.833 6 AVI N,N-dimethyl-L-histidine 0.812 7 UCQ (2~{S})-2-(dimethylamino)-3-(3-methylimidazol-4-yl)propanoic acid 0.765 8 E9V N-methyl-L-histidine 0.750 9 8VV (1s)-2-{2-[(R)-(2r)-2-amino-2-carboxyethanesulfinyl]-1h-imidazol-4-yl}-1-carboxy-N,N,N-trimethylethan-1-aminium 0.727