API reference
L proline
- CAS number
- 147-85-3
- Molecular formula
- C5H9NO2
- Molecular weight
- 115.13 g/mol
About this molecule
L-proline is pyrrolidine in which the pro-S hydrogen at position 2 is substituted by a carboxylic acid group. L-Proline is the only one of the twenty DNA-encoded amino acids which has a secondary amino group alpha to the carboxyl group. It is an essential component of collagen and is important for proper functioning of joints and tendons. It also helps maintain and strengthen heart muscles. It has a role as a member of compatible osmolytes, a micronutrient, a nutraceutical, a mouse metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and an algal metabolite. It is a L-alpha-amino acid, a glutamine family amino acid, a proline and a proteinogenic amino acid. It is a conjugate base of a L-prolinium. It is a conjugate acid of a L-prolinate. It is an enantiomer of a D-proline. It is a tautomer of a L-proline zwitterion.
Source: ChEBI, via PubChem.
Identifiers
- IUPAC name
- (2S)-pyrrolidine-2-carboxylic acid
- InChIKey
- ONIBWKKTOPOVIA-BYPYZUCNSA-N
- SMILES
- C1C[C@H](NC1)C(=O)O
- Other CAS numbers recorded
- 37159-97-0 · 4305-67-3
- PubChem CID
- 145742
Also known as
L-proline · proline · L-(-)-Proline · (2S)-pyrrolidine-2-carboxylic acid · (S)-Pyrrolidine-2-carboxylic acid · (-)-Proline · 2-pyrrolidinecarboxylic acid · (-)-(S)-Proline
Chemical data on this page is drawn from PubChem (National Library of Medicine) and is provided for identification only. Hanpars does not hold stock of every substance listed; availability, grade, documentation and regulatory status are confirmed per enquiry.
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