3_STAR
6-aminohexanoic acid zwitterion
L-canaline zwitterion
N(delta)-hydroxy-N(omega)-methyl-N(omega)-nitroso-L-citrulline zwitterion
O-acetyl-L-homoserine zwitterion
O-acetyl-L-serine zwitterion
5-hydroxy-L-kynurenine zwitterion
N(alpha),N(alpha)-dimethyl-L-histidine zwitterion
(R)-nipecotic acid zwitterion
diphthinate
N(5)-methyl-L-glutamine zwitterion
L-threo-3-phenylserine zwitterion
cystine zwitterion
7-chloro-L-tryptophan zwitterion
N(4)-{N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->3)-[N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->6)]-[beta-D-xylosyl-(1->2)]-beta-D-mannosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->4)-N-acetyl-beta-D-glucosaminyl}-L-asparagine zwitterion
L-methionine (S)-S-oxide zwitterion
O-(3-O-D-galactosyl-N-acetyl-beta-D-galactosaminyl)-L-serine zwitterion
N-formyl-D-kynurenine zwitterion
7beta-aminocephalosporanic acid zwitterion
1-sn-phosphatidyl-L-serine zwitterion
(S)-4-amino-5-oxopentanoic acid zwitterion
7-(3-amino-3-carboxypropyl)wyosine 5'-monophosphate zwitterion
5-amino-2-oxopentanoic acid zwitterion
D-alpha-amino acid zwitterion
5-hydroxy-3-methyl-L-tyrosine zwitterion
L-dopaquinone zwitterion
(4S)-4-hydroxy-L-isoleucine zwitterion
pentahomomethionine zwitterion
N(5)-hydroxy-L-ornithine zwitterion
dihydrorhizobitoxine
7-(3-methylbut-2-enyl)-L-tryptophan zwitterion
4-dimethylamino-L-phenylalanine zwitterion
(5S)-5-amino-3-oxohexanoic acid zwitterion
2-methyl-L-tryptophan zwitterion
L-selenocystathionine zwitterion
glycine zwitterion
3-(5-oxoisoxazolin-4-yl)-L-alanine zwitterion
3-iodo-L-tyrosine zwitterion
(S)-3-aminoisobutyric acid zwitterion
3-disulfanyl-L-alanine zwitterion
4-hydroxy-L-threonine zwitterion
polar amino acid zwitterion
L-dopa zwitterion
N(2)-[(3R)-hydroxy-acyl]-L-ornithine zwitterion
L-kynurenine zwitterion
1-aminocyclopropanecarboxylic acid zwitterion
glutathione amide disulfide dizwitterion
2-[3-carboxylato-3-(methylammonio)propyl]-L-histidine dizwitterion
D-glutamine zwitterion
gamma-glutamyl-gamma-aminobutyraldehyde zwitterion
3-(5-oxoisoxazolin-2-yl)-L-alanine zwitterion
(2R)-glufosinate zwitterion
N(2)-(2-carboxyethyl)-L-arginine dizwitterion
thiomorpholine-3-carboxylic acid zwitterion
Se-methyl-L-selenocysteine zwitterion
trihomomethionine zwitterion
angiotensin-(1-5) dizwitterion
N-isopropyl-L-glutamine zwitterion
amino acid zwitterion
N(alpha)-methyl-L-histidine zwitterion
6-aminopenicillanic acid zwitterion
3-hydroxy-4-methyl-L-kynurenine zwitterion
5-hydroxy-L-tryptophan zwitterion
6-ammonio-5-oxocyclohex-2-ene-1-carboxylate
O-(3-O-beta-D-galactosyl-N-acetyl-alpha-D-galactosaminyl)-L-serine zwitterion
trans-3-hydroxy-L-proline zwitterion
2-amino-Delta(2)-thiazoline-4-carboxylic acid zwitterion
4-amino-L-phenylalanine zwitterion
3,3',5'-triiodo-L-thyronine zwitterion
2-amino-2-deoxy-D-gluconic acid zwitterion
L-glutamic 5-semialdehyde zwitterion
N(2)-acetyl-L-lysine zwitterion
serine zwitterion
2,3-dihydro-3-hydroxyanthranilic acid zwitterion
2-methylserine zwitterion
alanine zwitterion
(2S,3S)-beta-methylphenylalanine zwitterion
S-[(2E,6E,10E)-geranylgeranyl]-L-cysteine zwitterion
N-methyl-L-methionine zwitterion
N(4)-{N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->3)-[N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->6)]-beta-D-mannosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->4)-[alpha-L-fucosyl-(1->6)]-N-acetyl-beta-D-glucosaminyl}-L-asparagine zwitterion
2-amino-2,3,7-trideoxy-D-lyxo-hept-6-ulosonic acid zwitterion
homocystine zwitterion
meso-2,6-diaminopimelic acid dizwitterion
Ile(5)-angiotensin II (1-7) dizwitterion
N-(6-aminohexanoyl)-6-aminohexanoic acid zwitterion
8-amino-3,8-dideoxy-alpha-D-manno-oct-2-ulosonic acid zwitterion
S-(4-bromophenyl)-L-cysteine zwitterion
carnosine zwitterion
N(delta)-hydroxy-N(omega)-methyl-L-citrulline zwitterion
cis-3-hydroxy-L-proline zwitterion
3-hydroxy-L-kynurenine zwitterion
glufosinate-P zwitterion
L-leucine zwitterion
N-benzoyl-D-arginine zwitterion
3-methyl-L-tyrosine zwitterion
3-(uracil-1-yl)-L-alanine zwitterion
dihomomethionine zwitterion
topaquinone zwitterion
S-[(2E,6E)-farnesyl]-L-cysteine zwitterion
(3R)-1,4-thiomorpholine-3-carboxylic acid zwitterion
2-amino-5-chloro-cis,cis-muconate 6-semialdehyde zwitterion
N(5)-ethyl-L-glutamine zwitterion
dihydroclavaminic acid zwitterion
(S)-piperazine-2-carboxylic acid zwitterion
2'-deoxymugineate
4-O-dimethylallyl-L-tyrosine zwitterion
3-amino-3-(4-hydroxyphenyl)propanoic acid zwitterion
3-ammonio-3-phenylpropanoate
alpha-amino acid zwitterion
D-alanylgriseoluteic acid zwitterion
L-homocitrulline zwitterion
gamma-amino-beta-hydroxybutyric acid zwitterion
N(2)-[(3R)-3-(2-hydroxyacyloxy)acyl]-L-ornithine zwitterion
N(omega),N'(omega)-dimethyl-L-arginine zwitterion
N,N-dimethylglycine zwitterion
N(4)-(beta-N-acetyl-D-glucosaminyl)-L-asparagine zwitterion
L-allysine zwitterion
aromatic amino-acid zwitterion
rhizobitoxine(1+)
3-hydroxy-4-methyl-D-kynurenine zwitterion
N(alpha)-gamma-L-glutamylhistamine zwitterion
4-demethyl-7-(3-amino-3-carboxypropyl)wyosine 5'-monophosphate zwitterion
L-selenomethionine zwitterion
L-canavanine zwitterion
gamma-carboxy-L-glutamic acid zwitterion
L-alloisoleucine zwitterion
L-methionine (R)-S-oxide zwitterion
cis-3-hydroxy-D-proline zwitterion
L-lombricine dizwitterion
Ile(5)-angiotensin II dizwitterion
cis-4-hydroxy-L-proline zwitterion
3-hydroxy-O,5-dimethyl-L-tyrosine zwitterion
S-substituted L-cysteine zwitterion
4-O-(beta-L-Araf-(1->2)-beta-L-Araf-(1->2)-beta-L-Araf)-cis-L-Hyp zwitterion
4-O-(beta-L-Araf)-cis-L-Hyp zwitterion
N(5),N(5)-dimethyl-N(2)-[(3R)-3-(acyloxy)acyl]-L-ornithine zwitterion
L-tyrosine zwitterion
(2S,6S)-2,6-diaminopimelic acid dizwitterion
N-methyl-L-phenylalanine zwitterion
N-methyl-D-dopa zwitterion
N(4)-{N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->3)-[N-acetyl-beta-D-glucosaminyl-(1->2)-alpha-D-mannosyl-(1->6)]-beta-D-mannosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->4)-[alpha-L-fucosyl-(1->3)]-N-acetyl-beta-D-glucosaminyl}-L-asparagine zwitterion
8-amino-7-oxononanoic acid zwitterion
3-amino-D-alanine zwitterion
N(5)-methyl-N(2)-[(3R)-3-(acyloxy)acyl]-L-ornithine zwitterion
N(4)-acetyl-L-2,4-diaminobutyric acid zwitterion
(S)-3,5-dihydroxyphenylglycine zwitterion
3-amino-L-alanine zwitterion
(3R)-beta-leucine zwitterion
L-mimosine zwitterion
4-fluoro-L-threonine zwitterion
clavaminic acid zwitterion
L-lupinic acid zwitterion
4-hydroxyproline zwitterion
4-(3-methylbut-2-enyl)-L-tryptophan zwitterion
O-ureido-D-serine zwitterion
nocardicin G zwitterion
2-(3-amino-3-carboxypropyl)-L-histidine dizwitterion
glutathione amide zwitterion
6-acetamido-3-aminohexanoic acid zwitterion
5-ammoniolevulinate
N-methyl-L-dopa zwitterion
2-aminobut-2-enoic acid zwitterion
4-oxo-L-proline zwitterion
L-homocysteine zwitterion
cetraxate zwitterion
L-proline zwitterion
L-citrulline zwitterion
L-asparagine zwitterion
(S,S,S)-nicotianamine trizwitterion
agaritine zwitterion
2,2-dialkylglycine zwitterion
L-3-oxoalanine zwitterion
2,3-didehydrophenylalanine zwitterion
N(4)-{beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->3)-[beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc}-Asn zwitterion
N(6)-hydroxy-L-lysine zwitterion
N-methyl-L-alpha-amino acid zwitterion
proclavaminic acid zwitterion
4-(3-methylbut-2-enyl)-L-abrine zwitterion
2-aminomuconic 6-semialdehyde zwitterion
cis-4-hydroxy-D-proline zwitterion
N(delta)-hydroxy-N(omega)-hydroxy-N(omega)-methyl-L-arginine zwitterion
N(5)-[amino(hydroxyimino)methyl]-L-ornithine zwitterion
baclofen zwitterion
methionine zwitterion
3-chloro-L-alanine zwitterion
zwitterion
D-dopa zwitterion
3-chloro-D-alanine zwitterion
(R)-3-aminoisobutyric acid zwitterion
S-(5-deoxy-D-ribos-5-yl)-L-homocysteine zwitterion
3-aminoalanine zwitterion
alpha,beta-didehydrotryptophan zwitterion
5-aminopentanoic acid zwitterion
(S)-2-amino-6-oxopimelate
L-glutamine zwitterion
N(6)-acyl-L-lysine zwitterion
N-alkylglycine zwitterion
N(6)-acetyl-N(6)-hydroxy-L-lysine zwitterion
cysteine zwitterion
N-(gamma-L-glutamyl)-L-alaninol zwitterion
3-amino-N-(trans-3-carbamoyloxirane-2-carbonyl)-L-alanine zwitterion
N(5)-acyl-L-ornithine zwitterion
3-aminobutanoic acid zwitterion
N(5)-phenyl-L-glutamine zwitterion
7-(2-hydroxy-3-amino-3-carboxypropyl)wyosine 5'-monophosphate zwitterion
N(5)-(L-1-carboxyethyl)-L-ornithine dizwitterion
5-amino-5-deoxy-3-dehydroshikimic acid zwitterion
(3S)-3-hydroxy-L-asparagine zwitterion
2-[3-carboxylato-3-(dimethylammonio)propyl]-L-histidine dizwitterion
2-ammonioprop-2-enoate
4-oxoproline zwitterion
hexahomomethionine zwitterion
(2S)-2-acetamido-4-aminobutanoic acid zwitterion
substituted beta-amino acid zwitterion
S-alkyl-L-cysteine S-oxide zwitterion
L-threonine zwitterion
(R)-piperazine-2-carboxylic acid zwitterion
S-inosyl-L-homocysteine zwitterion
N(omega)-methyl-L-arginine zwitterion
L-serine phosphoethanolamine dizwitterion
thyroxine zwitterion
discadenine zwitterion
N(2)-[(3R)-3-(acyloxy)acyl]-L-ornithine zwitterion
2-methyl-L-serine zwitterion
S-adenosyl-L-homocysteine zwitterion
N(2)-acetyl-L-ornithine zwitterion
homocysteine zwitterion
glutamine hydroxamate zwitterion
tryptophan zwitterion
(2Z,4S,5R)-2-amino-4,5,6-trihydroxyhex-2-enoic acid zwitterion
beta-alanine zwitterion
4-methylamino-L-phenylalanine zwitterion
N-methyl-L-alanine zwitterion
serine phosphoethanolamine dizwitterion
tetrahydrotyrosine zwitterion
3,3'-diiodo-L-thyronine zwitterion
6-amino-2-oxohexanoic acid zwitterion
N(6)-acetyl-L-lysine zwitterion
L-cystathionine dizwitterion
3-aminoisobutanoic acid zwitterion
L-histidine zwitterion
gamma-aminobutyric acid zwitterion
2-ureidoglycine zwitterion
tetrahomomethionine zwitterion
L-homoserine zwitterion
6-diazo-5-oxo-L-norleucine zwitterion
L-selenocysteine zwitterion
3,3',5-triiodo-L-thyronine zwitterion
O-carbamoyl-L-serine zwitterion
L-phenylalanine zwitterion
N-formyl-L-kynurenine zwitterion
allysine zwitterion
L-pyrrolysine zwitterion
4-methylene-L-glutamine zwitterion
4-(methylamino)butyric acid zwitterion
beta-L-aspartylhydroxamic acid zwitterion
3-(pyrazol-1-yl)-L-alanine zwitterion
3-hydroxy-D-kynurenine zwitterion