1-Pyrroline-5-carboxylic acid
IUPAC name	3,4-dihydro-2H-pyrrole-2-carboxylic acid
Identifiers
CAS number	2906-39-0
PubChem	1196
MeSH	Delta-1-pyrroline-5-carboxylate
SMILES	C1CC(N=C1)C(=O)O
Properties
Molecular formula	C5H7NO2
Molar mass	113.115 g/mol
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

1-Pyrroline-5-carboxylic acid, also known as 1-pyrroline-5-carboxylate, delta-1-pyrroline-5-carboxylic acid, and P5C, is an imino acid. The stereoisomer (S)-1-pyrroline-5-carboxylate is a biosynthetic metabolite that is synthesized from proline by the enzyme pyrroline-5-carboxylate reductase and converted into the amino acid glutamate by the enzyme 1-pyrroline-5-carboxylate dehydrogenase.

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