CHEBI:33709 - amino acid

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name amino acid
ChEBI ID CHEBI:33709
Definition A carboxylic acid containing one or more amino groups.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:13815, CHEBI:22477
Wikipedia License
Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. Although over 500 amino acids exist in nature, by far the most important are the 22 α-amino acids incorporated into proteins. Only these 22 appear in the genetic code of life. Amino acids can be classified according to the locations of the core structural functional groups (alpha- (α-), beta- (β-), gamma- (γ-) amino acids, etc.); other categories relate to polarity, ionization, and side-chain group type (aliphatic, acyclic, aromatic, polar, etc.). In the form of proteins, amino-acid residues form the second-largest component (water being the largest) of human muscles and other tissues. Beyond their role as residues in proteins, amino acids participate in a number of processes such as neurotransmitter transport and biosynthesis. It is thought that they played a key role in enabling life on Earth and its emergence. Amino acids are formally named by the IUPAC-IUBMB Joint Commission on Biochemical Nomenclature in terms of the fictitious "neutral" structure shown in the illustration. For example, the systematic name of alanine is 2-aminopropanoic acid, based on the formula CH3−CH(NH2)−COOH. The Commission justified this approach as follows: The systematic names and formulas given refer to hypothetical forms in which amino groups are unprotonated and carboxyl groups are undissociated. This convention is useful to avoid various nomenclatural problems but should not be taken to imply that these structures represent an appreciable fraction of the amino-acid molecules.
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Roles Classification
Chemical Role(s): Bronsted base
A molecular entity capable of accepting a hydron from a donor (Bronsted acid).
(via organic amino compound )
Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
View more via ChEBI Ontology
ChEBI Ontology
Outgoing amino acid (CHEBI:33709) is a carboxylic acid (CHEBI:33575)
amino acid (CHEBI:33709) is a organic amino compound (CHEBI:50047)
amino acid (CHEBI:33709) is conjugate acid of amino-acid anion (CHEBI:37022)
amino acid (CHEBI:33709) is conjugate base of amino-acid cation (CHEBI:33703)
Incoming N-acyl-amino acid (CHEBI:51569) has functional parent amino acid (CHEBI:33709)
α-amino acid (CHEBI:33704) is a amino acid (CHEBI:33709)
(6S)-6-ammonio-3,3-dimethyl-2-oxoheptanedioate (CHEBI:193109) is a amino acid (CHEBI:33709)
(aminooxy)acetic acid (CHEBI:40823) is a amino acid (CHEBI:33709)
(hydroxymethyl)carbamic acid (CHEBI:185681) is a amino acid (CHEBI:33709)
1-(2,4-difluorophenyl)-6-fluoro-7-(3-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CHEBI:77796) is a amino acid (CHEBI:33709)
1-(4-sulfophenyl)-3-carboxy-4-amino-5-oxopyrazole (CHEBI:59995) is a amino acid (CHEBI:33709)
2,3-dihydro-3-hydroxyanthranilic acid (CHEBI:60841) is a amino acid (CHEBI:33709)
2,3-dihydro-3-oxoanthranilic acid (CHEBI:61149) is a amino acid (CHEBI:33709)
4-(aminomethyl)-1-cyclohexanecarboxylic acid (CHEBI:94518) is a amino acid (CHEBI:33709)
5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid (CHEBI:76223) is a amino acid (CHEBI:33709)
6-(aminomethyl)-3,4,5-trihydroxy-2-[(E)-3-hydroxy-2-[(2-hydroxy-12-methyltridecanoyl)amino]-18-methylnonadec-4-enoxy]oxane-2-carboxylic acid (CHEBI:208084) is a amino acid (CHEBI:33709)
7-(3-aminopyrrolidin-1-yl)-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid (CHEBI:77581) is a amino acid (CHEBI:33709)
8-amino-7-oxononanoic acid (CHEBI:15830) is a amino acid (CHEBI:33709)
N-[2-(4-aminophenyl)ethyl]-4-phenylisonipecotic acid (CHEBI:61209) is a amino acid (CHEBI:33709)
N-methylleucine (CHEBI:43983) is a amino acid (CHEBI:33709)
aceclofenac (CHEBI:31159) is a amino acid (CHEBI:33709)
alminoprofen (CHEBI:31190) is a amino acid (CHEBI:33709)
amfenac (CHEBI:75915) is a amino acid (CHEBI:33709)
amineptine (CHEBI:32499) is a amino acid (CHEBI:33709)
amino dicarboxylic acid (CHEBI:36164) is a amino acid (CHEBI:33709)
amino fatty acid (CHEBI:59650) is a amino acid (CHEBI:33709)
Aminoethoxyacetic acid (CHEBI:193617) is a amino acid (CHEBI:33709)
aromatic amino acid (CHEBI:33856) is a amino acid (CHEBI:33709)
azetidine-2-carboxylic acid (CHEBI:38108) is a amino acid (CHEBI:33709)
branched-chain amino acid (CHEBI:22918) is a amino acid (CHEBI:33709)
bumetanide (CHEBI:3213) is a amino acid (CHEBI:33709)
carboxyamino acid (CHEBI:23024) is a amino acid (CHEBI:33709)
Cytomycin (CHEBI:4071) is a amino acid (CHEBI:33709)
diamino acid (CHEBI:35987) is a amino acid (CHEBI:33709)
diclofenac (CHEBI:47381) is a amino acid (CHEBI:33709)
dimethylcarbamic acid (CHEBI:38544) is a amino acid (CHEBI:33709)
enoxacin (CHEBI:157175) is a amino acid (CHEBI:33709)
gamma-L-glutamyl-L-alpha-aminobutyrate (CHEBI:144027) is a amino acid (CHEBI:33709)
glycine thiazolecarboxylic acid (CHEBI:24375) is a amino acid (CHEBI:33709)
glyco-amino acid (CHEBI:35258) is a amino acid (CHEBI:33709)
hexylcarbamic acid (CHEBI:156060) is a amino acid (CHEBI:33709)
lumiracoxib (CHEBI:73044) is a amino acid (CHEBI:33709)
LY-221481 (CHEBI:280152) is a amino acid (CHEBI:33709)
mediomycin A (CHEBI:66687) is a amino acid (CHEBI:33709)
mediomycin B (CHEBI:66688) is a amino acid (CHEBI:33709)
mesalamine (CHEBI:6775) is a amino acid (CHEBI:33709)
methylcarbamic acid (CHEBI:45379) is a amino acid (CHEBI:33709)
NNAL-N-glucuronide (CHEBI:82592) is a amino acid (CHEBI:33709)
non-proteinogenic amino acid (CHEBI:83820) is a amino acid (CHEBI:33709)
nonpolar amino acid (CHEBI:25588) is a amino acid (CHEBI:33709)
oseltamivir acid (CHEBI:73139) is a amino acid (CHEBI:33709)
phenylcarbamic acid (CHEBI:52496) is a amino acid (CHEBI:33709)
pipemidic acid (CHEBI:75250) is a amino acid (CHEBI:33709)
polar amino acid (CHEBI:26167) is a amino acid (CHEBI:33709)
polyamino carboxylic acid (CHEBI:60892) is a amino acid (CHEBI:33709)
propylcarbamic acid (CHEBI:143299) is a amino acid (CHEBI:33709)
proteinogenic amino acid (CHEBI:83813) is a amino acid (CHEBI:33709)
S-(2-carboxypropyl)-Cysteamine (CHEBI:184285) is a amino acid (CHEBI:33709)
substituted β-amino acids (CHEBI:33705) is a amino acid (CHEBI:33709)
sulfur-containing amino acid (CHEBI:26834) is a amino acid (CHEBI:33709)
trovafloxacin (CHEBI:9763) is a amino acid (CHEBI:33709)
amino-acid cation (CHEBI:33703) is conjugate acid of amino acid (CHEBI:33709)
amino-acid anion (CHEBI:37022) is conjugate base of amino acid (CHEBI:33709)
amino-acid residue (CHEBI:33708) is substituent group from amino acid (CHEBI:33709)
Synonyms Sources
amino acids ChEBI
Aminocarbonsäure ChEBI
Aminokarbonsäure ChEBI
Aminosäure ChEBI
Manual Xref Database
Amino_acid Wikipedia
View more database links
Last Modified
13 August 2024
General Comment
2007-03-08 Oxoacids other than carboxylic acids are excluded form this class. Other amino oxoacids can be found within the classes CHEBI:37793 (aminosulfonic acids) and CHEBI:37794 (aminosulfinic abids).