DL-proline
Sign in to savethumb|Proline ball and stick model spinning Proline (symbol Pro or P) is an organic acid classed as a proteinogenic amino acid (used in the biosynthesis of proteins), although it does not contain the amino group but is rather a secondary amine. The secondary amine nitrogen is in the protonated form (NH2+) 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
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DL-proline is a form of the amino acid proline, which is one of the building blocks used to construct proteins in living organisms. What makes proline unusual among amino acids is its distinctive ring-shaped structure and the fact that your body can produce it on its own, making it a non-essential nutrient.
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Article
12 sectionsContents
- History and etymology
- Biosynthesis
- Biological activity
- Properties in protein structure
- ''Cis''–''trans'' isomerization
- Uses
- Specialties
- Synthesis
- See also
- References
- Further reading
- External links
thumb|Proline ball and stick model spinning Proline (symbol Pro or P) is an organic acid classed as a proteinogenic amino acid (used in the biosynthesis of proteins), although it does not contain the amino group but is rather a secondary amine. The secondary amine nitrogen is in the protonated form (NH2+) 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 (CCU, CCC, CCA, and CCG).
Proline is the only proteinogenic amino acid which is a secondary amine, as the nitrogen atom is attached both to the α-carbon and to a chain of three carbons that together form a five-membered ring.
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Alpha-Amino acidsAMPA receptor agonistsChemical articles having a data pageChemical articles with multiple CAS registry numbersChemical articles with multiple ChEBIsChemical articles with multiple compound IDsChemical articles with multiple PubChem CIDsChemicals using indexlabelsCyclic amino acidsECHA InfoCard ID from WikidataExcitatory amino acids