Compound
L-homocarnosine
A zwitterion arising from transfer of a proton from the carboxy to the amino group of L-homocarnosine; major species at pH 7.3.
Definition from ChEBI (CHEBI:143075), read 2026-09-23. CC BY 4.0.
Structure
No depiction stored
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- Class
- Organic compound
- Formula
- C10H16N4O3
- Mass
- 240.263 g/mol
- Charge
- 0
- InChIKey
- CCLQKVKJOGVQLU-QMMMGPOBSA-N
- SMILES
- [NH3+]CCCC(=O)N[C@@H](Cc1cncn1)C(=O)[O-]
- Look it up
- ChEBIPubChemBy InChIKey
Identity from ChEBI, geometry from PubChem. Not evidence.
What it touches on the way
Mechanistic reach
1 entity
1 entities reached.
0 reported hops1 assembled from the scaffold
What the reference databases state
Statements
3 statements
3 statements · 2 reference databases · Subject: L-homocarnosine · Sources: Human-GEM, Rhea
- L-homocarnosine is a substrate of CNDP1ProteinHuman-GEM MAR04607Inferred only
- L-homocarnosine is a substrate of CNDP1ProteinRhea RHEA:59572Inferred only
- L-homocarnosine is a substrate of CNDP2ProteinHuman-GEM MAR04607Inferred only
Reactions
6 reactions
4-aminobutanoate+ATP+CHEBI:15971AMP+proton+L-homocarnosine+diphosphate(3-)
Catalysed by CARNS1
Reaction pageLeft to rightBalancedEC 6.3.2.11cytosol
Human-GEM MAR04606CC BY 4.0Reference data
water+L-homocarnosine4-aminobutanoate+CHEBI:15971
Reaction pageLeft to rightBalancedEC 3.4.13.18, 3.4.13.20cytosol
Human-GEM MAR04607CC BY 4.0Reference data
Reaction pageReversibleBalance undeterminableextracellular space
Human-GEM MAR10248CC BY 4.0Reference data
Ca(2+)+proton+L-homocarnosineCa(2+)+proton+L-homocarnosine
Reaction pageReversibleBalancedcytosol, extracellular space
Human-GEM MAR10371CC BY 4.0Reference data
4-aminobutanoate+L-histidine+ATP(4-)L-homocarnosine+ADP(3-)+hydrogenphosphate+hydron
Catalysed by CARNS1
Reaction pageLeft to rightBalanced
Rhea RHEA:59568CC BY 4.0Reference data
L-homocarnosine+water4-aminobutanoate+L-histidine
Catalysed by CNDP1
Reaction pageLeft to rightBalanced
Rhea RHEA:59572CC BY 4.0Reference data
Other names
8 names
Resolves to: L-homocarnosine
- Also called
- (2S)-homocarnosine zwitteriongamma-aminobutanoyl-L-Hisgamma-aminobutanoyl-L-histidinegamma-aminobutyryl-L-histidine zwitterionγ-aminobutanoyl-L-Hisγ-aminobutanoyl-L-histidineγ-aminobutyryl-L-histidine zwitterion
- Systematic name
- (2S)-2-(4-azaniumylbutanamido)-3-(1H-imidazol-4-yl)propanoate