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Term:
(S)-piperazine-2-carboxylic acid zwitterion (CHEBI:58920)
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Parent Terms Term With Siblings Child Terms
(2R)-glufosinate zwitterion 
(2S)-2-acetamido-4-aminobutanoic acid zwitterion 
(2S,3S)-beta-methylphenylalanine zwitterion 
(2S,6S)-2,6-diaminopimelic acid dizwitterion 
(2Z,4S,5R)-2-amino-4,5,6-trihydroxyhex-2-enoic acid zwitterion 
(3R)-1,4-thiomorpholine-3-carboxylic acid zwitterion 
(3R)-3-[(carboxylmethyl)amino]butanoic acid zwitterion(1-) 
(3R)-3-\{[carboxy(hydroxy)methyl]amino\}butanoic acid zwitterion(1-) 
(3R)-beta-leucine zwitterion 
(3S)-3-hydroxy-L-asparagine zwitterion 
(4S)-4-hydroxy-L-isoleucine zwitterion 
(5'S,6'R)-C-glycyluridine zwitterion 
(5'S,6'S)-C-glycyluridine zwitterion 
(5S)-5-amino-3-oxohexanoic acid zwitterion 
(R)-3-aminoisobutyric acid zwitterion 
(R)-nipecotic acid zwitterion 
(R)-piperazine-2-carboxylic acid zwitterion 
(S)-2-amino-6-oxopimelate 
(S)-3,5-dihydroxyphenylglycine zwitterion 
(S)-3-aminoisobutyric acid zwitterion 
(S)-4-amino-5-oxopentanoic acid zwitterion 
(S)-4-aminopentanoic acid zwitterion 
(S)-piperazine-2-carboxylic acid zwitterion 
Zwitterionic form of (S)-piperazine-2-carboxylic acid having an anionic carboxy group and a protonated 1-amino group.
(S,S,S)-nicotianamine trizwitterion 
1-aminocyclopropanecarboxylic acid zwitterion 
1-sn-phosphatidyl-L-serine zwitterion 
2'-deoxymugineate 
2,2-dialkylglycine zwitterion +  
2,3-didehydrophenylalanine zwitterion 
2,3-dihydro-3-hydroxyanthranilic acid zwitterion +  
2-(3-amino-3-carboxypropyl)-L-histidine dizwitterion +  
2-[3-carboxylato-3-(dimethylammonio)propyl]-L-histidine dizwitterion +  
2-[3-carboxylato-3-(methylammonio)propyl]-L-histidine dizwitterion +  
2-amino-2,3,7-trideoxy-D-lyxo-hept-6-ulosonic acid zwitterion 
2-amino-2-deoxy-D-gluconic acid zwitterion 
2-amino-5-chloro-cis,cis-muconate 6-semialdehyde zwitterion 
2-amino-Delta(2)-thiazoline-4-carboxylic acid zwitterion +  
2-aminobut-2-enoic acid zwitterion 
2-aminomuconic 6-semialdehyde zwitterion 
2-ammonioprop-2-enoate 
2-methyl-L-serine zwitterion 
2-methyl-L-tryptophan zwitterion 
2-methylserine zwitterion 
2-ureidoglycine zwitterion +  
3,3',5'-triiodo-L-thyronine zwitterion +  
3,3',5-triiodo-L-thyronine zwitterion +  
3,3'-diiodo-L-thyronine zwitterion 
3-(5-oxoisoxazolin-2-yl)-L-alanine zwitterion 
3-(5-oxoisoxazolin-4-yl)-L-alanine zwitterion 
3-(pyrazol-1-yl)-L-alanine zwitterion 
3-(uracil-1-yl)-L-alanine zwitterion 
3-amino-3-(4-hydroxyphenyl)propanoic acid zwitterion 
3-amino-D-alanine zwitterion 
3-amino-L-alanine zwitterion 
3-amino-N-(trans-3-carbamoyloxirane-2-carbonyl)-L-alanine zwitterion 
3-aminoalanine zwitterion 
3-aminobutanoic acid zwitterion +  
3-aminoisobutanoic acid zwitterion +  
3-ammonio-3-phenylpropanoate +  
3-chloro-D-alanine zwitterion 
3-chloro-L-alanine zwitterion 
3-disulfanyl-L-alanine zwitterion 
3-hydroxy-4-methyl-D-kynurenine zwitterion 
3-hydroxy-4-methyl-L-kynurenine zwitterion 
3-hydroxy-D-kynurenine zwitterion +  
3-hydroxy-L-kynurenine zwitterion +  
3-hydroxy-O,5-dimethyl-L-tyrosine zwitterion 
3-iodo-L-tyrosine zwitterion 
3-methyl-L-tyrosine zwitterion 
4-(3-methylbut-2-enyl)-L-abrine zwitterion 
4-(3-methylbut-2-enyl)-L-tryptophan zwitterion 
4-(methylamino)butyric acid zwitterion 
4-amino-L-phenylalanine zwitterion 
4-demethyl-7-(3-amino-3-carboxypropyl)wyosine 5'-monophosphate zwitterion +  
4-dimethylamino-L-phenylalanine zwitterion 
4-fluoro-L-threonine zwitterion 
4-hydroxy-L-threonine zwitterion 
4-hydroxyproline zwitterion +  
4-methylamino-L-phenylalanine zwitterion 
4-methylene-L-glutamine zwitterion 
4-O-(beta-L-Araf)-cis-L-Hyp zwitterion 
4-O-(beta-L-Araf-(1->2)-beta-L-Araf-(1->2)-beta-L-Araf)-cis-L-Hyp zwitterion 
4-O-dimethylallyl-L-tyrosine zwitterion 
4-oxo-L-proline zwitterion 
4-oxoproline zwitterion 
5-amino-2-oxopentanoic acid zwitterion 
5-amino-5-deoxy-3-dehydroshikimic acid zwitterion 
5-aminopentanoic acid zwitterion 
5-ammoniolevulinate 
5-hydroxy-3-methyl-L-tyrosine zwitterion 
5-hydroxy-L-kynurenine zwitterion 
5-hydroxy-L-tryptophan zwitterion 
6-acetamido-3-aminohexanoic acid zwitterion +  
6-amino-2-oxohexanoic acid zwitterion 
6-aminohexanoic acid zwitterion 
6-aminopenicillanic acid zwitterion 
6-ammonio-5-oxocyclohex-2-ene-1-carboxylate +  
6-diazo-5-oxo-L-norleucine zwitterion 
7-(2-hydroxy-3-amino-3-carboxypropyl)wyosine 5'-monophosphate zwitterion +  
7-(3-amino-3-carboxypropyl)wyosine 5'-monophosphate zwitterion +  
7-(3-methylbut-2-enyl)-L-tryptophan zwitterion 
7-chloro-L-tryptophan zwitterion 
7beta-aminocephalosporanic acid zwitterion 
8-amino-3,8-dideoxy-alpha-D-manno-oct-2-ulosonic acid zwitterion 
8-amino-7-oxononanoic acid zwitterion +  
agaritine zwitterion 
alanine zwitterion +  
allysine zwitterion 
alpha,beta-didehydrotryptophan zwitterion 
alpha-amino acid zwitterion +  
angiotensin-(1-5) dizwitterion 
aromatic amino-acid zwitterion +  
baclofen zwitterion 
beta-alanine zwitterion +  
beta-L-aspartylhydroxamic acid zwitterion 
carnosine zwitterion 
cetraxate zwitterion 
cis-3-hydroxy-D-proline zwitterion 
cis-3-hydroxy-L-proline zwitterion 
cis-4-hydroxy-D-proline zwitterion 
cis-4-hydroxy-L-proline zwitterion 
clavaminic acid zwitterion 
cysteine zwitterion +  
cystine zwitterion +  
D-alanylgriseoluteic acid zwitterion 
D-alpha-amino acid zwitterion +  
D-dopa zwitterion +  
D-glutamine zwitterion 
dihomomethionine zwitterion +  
dihydroclavaminic acid zwitterion 
dihydrorhizobitoxine 
diphthinate 
discadenine zwitterion 
gamma-amino-beta-hydroxybutyric acid zwitterion 
gamma-aminobutyric acid zwitterion +   
gamma-carboxy-L-glutamic acid zwitterion 
gamma-glutamyl-gamma-aminobutyraldehyde zwitterion 
gamma-L-glutamylethanolamide zwitterion 
glufosinate-P zwitterion 
glutamine hydroxamate zwitterion 
glutathione amide disulfide dizwitterion 
glutathione amide zwitterion 
glycine zwitterion +  
hexahomomethionine zwitterion +  
homocysteine zwitterion 
homocystine zwitterion +  
Ile(5)-angiotensin II (1-7) dizwitterion 
Ile(5)-angiotensin II dizwitterion 
L-3-oxoalanine zwitterion 
L-alloisoleucine zwitterion 
L-allysine zwitterion 
L-asparagine zwitterion 
L-canaline zwitterion 
L-canavanine zwitterion 
L-citrulline zwitterion +  
L-cystathionine dizwitterion 
L-dopa zwitterion +  
L-dopaquinone zwitterion 
L-glutamic 5-semialdehyde zwitterion 
L-glutamine zwitterion +  
L-histidine zwitterion +  
L-homocitrulline zwitterion 
L-homocysteine zwitterion +  
L-homoserine zwitterion +  
L-kynurenine zwitterion +  
L-leucine zwitterion 
L-lombricine dizwitterion 
L-lupinic acid zwitterion 
L-methionine (R)-S-oxide zwitterion 
L-methionine (S)-S-oxide zwitterion 
L-mimosine zwitterion 
L-phenylalanine zwitterion +  
L-proline zwitterion 
L-pyrrolysine zwitterion 
L-selenocystathionine zwitterion 
L-selenocysteine zwitterion 
L-selenomethionine zwitterion +  
L-serine phosphoethanolamine dizwitterion 
L-threo-3-phenylserine zwitterion 
L-threonine zwitterion 
L-tyrosine zwitterion 
meso-2,6-diaminopimelic acid dizwitterion 
methionine zwitterion +  
N(2)-(2-carboxyethyl)-L-arginine dizwitterion 
N(2)-[(3R)-3-(2-hydroxyacyloxy)acyl]-L-ornithine zwitterion 
N(2)-[(3R)-3-(acyloxy)acyl]-L-ornithine zwitterion +  
N(2)-[(3R)-hydroxy-acyl]-L-ornithine zwitterion 
N(2)-acetyl-L-lysine zwitterion 
N(2)-acetyl-L-ornithine zwitterion 
N(4)-(beta-N-acetyl-D-glucosaminyl)-L-asparagine 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(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 
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 
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 
N(4)-acetyl-L-2,4-diaminobutyric acid zwitterion 
N(5),N(5)-dimethyl-N(2)-[(3R)-3-(acyloxy)acyl]-L-ornithine zwitterion 
N(5)-(L-1-carboxyethyl)-L-ornithine dizwitterion 
N(5)-[amino(hydroxyimino)methyl]-L-ornithine zwitterion 
N(5)-acyl-L-ornithine zwitterion 
N(5)-ethyl-L-glutamine zwitterion 
N(5)-hydroxy-L-ornithine zwitterion 
N(5)-methyl-L-glutamine zwitterion 
N(5)-methyl-N(2)-[(3R)-3-(acyloxy)acyl]-L-ornithine zwitterion 
N(5)-phenyl-L-glutamine zwitterion 
N(6)-acetyl-L-lysine zwitterion 
N(6)-acetyl-N(6)-hydroxy-L-lysine zwitterion 
N(6)-acyl-L-lysine zwitterion +  
N(6)-hydroxy-L-lysine zwitterion +  
N(alpha),N(alpha)-dimethyl-L-histidine zwitterion 
N(alpha)-gamma-L-glutamylhistamine zwitterion 
N(alpha)-methyl-L-histidine zwitterion 
N(delta),N(omega')-dihydroxy-N(omega)-methyl-L-arginine zwitterion 
N(delta)-hydroxy-N(omega)-methyl-L-citrulline zwitterion 
N(delta)-hydroxy-N(omega)-methyl-N(omega)-nitroso-L-citrulline zwitterion 
N(omega),N'(omega)-dimethyl-L-arginine zwitterion 
N(omega)-methyl-L-arginine zwitterion 
N,N-dimethylglycine zwitterion 
N-(6-aminohexanoyl)-6-aminohexanoic acid zwitterion 
N-(gamma-L-glutamyl)-L-alaninol zwitterion 
N-alkylglycine zwitterion +  
N-benzoyl-D-arginine zwitterion 
N-formyl-D-kynurenine zwitterion 
N-formyl-L-kynurenine zwitterion 
N-isopropyl-L-glutamine zwitterion 
N-methyl-D-dopa zwitterion 
N-methyl-L-alanine zwitterion 
N-methyl-L-alpha-amino acid zwitterion +  
N-methyl-L-dopa zwitterion 
N-methyl-L-methionine zwitterion 
N-methyl-L-phenylalanine zwitterion 
nocardicin G zwitterion 
O-(3-O-beta-D-galactosyl-N-acetyl-alpha-D-galactosaminyl)-L-serine zwitterion 
O-(3-O-D-galactosyl-N-acetyl-beta-D-galactosaminyl)-L-serine zwitterion 
O-acetyl-L-homoserine zwitterion 
O-acetyl-L-serine zwitterion 
O-carbamoyl-L-serine zwitterion 
O-ureido-D-serine zwitterion 
pentahomomethionine zwitterion +  
polar amino acid zwitterion +  
proclavaminic acid zwitterion 
rhizobitoxine(1+) 
S-(4-bromophenyl)-L-cysteine zwitterion 
S-(5-deoxy-D-ribos-5-yl)-L-homocysteine zwitterion 
S-[(2E,6E)-farnesyl]-L-cysteine zwitterion +  
S-[(2E,6E,10E)-geranylgeranyl]-L-cysteine zwitterion 
S-adenosyl-L-homocysteine zwitterion 
S-alkyl-L-cysteine S-oxide zwitterion 
S-inosyl-L-homocysteine zwitterion 
S-substituted L-cysteine zwitterion +  
Se-methyl-L-selenocysteine zwitterion 
serine phosphoethanolamine dizwitterion 
serine zwitterion +  
substituted beta-amino acid zwitterion 
tetrahomomethionine zwitterion +  
tetrahydrotyrosine zwitterion 
thiomorpholine-3-carboxylic acid zwitterion +  
thyroxine zwitterion +  
topaquinone zwitterion 
trans-3-hydroxy-L-proline zwitterion 
trihomomethionine zwitterion +  
tryptophan zwitterion +  

Synonyms
Exact Synonyms: (2S)-piperazin-1-ium-2-carboxylate
Related Synonyms: (S)-piperazine-2-carboxylate ;   Formula=C5H10N2O2 ;   InChI=1S/C5H10N2O2/c8-5(9)4-3-6-1-2-7-4/h4,6-7H,1-3H2,(H,8,9)/t4-/m0/s1 ;   InChIKey=JSSXHAMIXJGYCS-BYPYZUCNSA-N ;   SMILES=[O-]C(=O)[C@@H]1CNCC[NH2+]1
Cyclic Relationships: is_conjugate_acid_of CHEBI:55393 ;   is_tautomer_of CHEBI:55392

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