L-Proline

Chemical Information
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.
| CAS Number | 147-85-3 |
| PubChem CID | 145742 |
| IUPAC Name | (2S)-pyrrolidine-2-carboxylic acid |
| Molecular Formula | C5H9NO2 |
| Molecular Weight | 115.13 |
| XLogP | -2.5 |
| Topological Polar Surface Area | 49.3 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 103 |
| Property | Value |
|---|---|
| Molecular Weight | 115.13 |
| XLogP3 | -2.5 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 115.063328530 |
| Monoisotopic Mass | 115.063328530 |
| Topological Polar Surface Area | 49.3 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 103 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 1 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
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