Proline (3 letter code)
Pro
Proline is an amino acid commonly found in proteins. Its 3-letter code is Pro. Its full name is L-proline, and it is a non-polar, aliphatic amino acid, meaning it does not contain any aromatic rings in its chemical structure. Proline has a unique cyclic structure due to which it is classified as an imino acid rather than an alpha amino acid like other amino acids. It is essential for the proper folding of proteins and is important in the structural stability of collagen and other proteins. Proline can also act as a neurotransmitter in the brain, playing a role in cognitive function and mood regulation.
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