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| Physical Characters and Index |
English name: L-Proline
CAS no. : 147-85-3
Molecular formula: C5H9NO2
Molecular weight: 115.13
EINECS no. : 205-702-2 |
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| Use and description |
| Proline is an organic acid classed as a proteinogenic amino acid, although it does not contain the amino group -NH₂ but is rather a secondary amine. The secondary amine nitrogen is in the protonated form under biological conditions, while the carboxyl group is in the deprotonated −COO⁻ form. The "side chain" from the α carbon connects to the nitrogen forming a pyrrolidine loop, classifying it as a aliphatic amino acid. It is non-essential in humans, meaning the body can synthesize it from the non-essential amino acid L-glutamate. It is encoded by all the codons starting with CC. |
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