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Wiktionary
proline

n. (context amino acid English) A nonessential amino acid C5H9NO2 found in most animal proteins, especially collagen; its cyclic structure leads to kinks in the peptide chain of proteins.

WordNet
proline

n. an amino acid that is found in many proteins (especially collagen)

Wikipedia
Proline

Proline (abbreviated as Pro or P; encoded by the codons CCU, CCC, CCA, and CCG) is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated >NH form under biological conditions), an α-carboxylic acid group (which is in the deprotonated −COO form under biological conditions), and a side chain pyrrolidine, classifying it as a nonpolar(at physiological pH), aliphatic amino acid. It is non-essential in humans, meaning the body can synthesize it from the non-essential amino acid L- glutamate.

Proline is the only proteinogenic amino acid with a secondary amine, in that the alpha-amino group is attached directly to the side chain, making the α carbon a direct substituent of the side chain.

ProLine (company)

ProLine is a range of own brand electronic products made by Darty plc for BCC in the Netherlands, Darty in France and Vandenborre in Belgium. ProLine covers a wide range of electricals across the store, covering white and brown goods.

Comet was the sole UK outlet but went into administration in December 2012.

Proline (disambiguation)

Proline is an amino acid.

Proline or Pro-Line may also refer to:

  • Proline FC -football club in Africa
  • ProLine (company), an electronics brand
  • Pro-Line, a manufacturer of radio-controlled car accessories
  • Sport Select, Canadian betting games also known as Pro-Line in some areas
  • Proline, a line of prosumer camcorders manufactured by Panasonic
  • ProLine, a software package with a Unix-like shell, used to run bulletin board systems on Apple II computers

Usage examples of "proline".

These crystals were analyzed and it was reported that within each secretin molecule there existed 3 lysines, 2 arginines, 2 prolines, i histi-dine, i glutamic acid, i aspartic acid, and i methionine.

Since most of the abbreviations consist of the first three letters of the name, they are not difficult to memorize: glycine gly alanine ala valine val leucine leu asparagine asp'Ntb aspartic acid asp glutamine ghrNH2 glutamic acid glu THE HUMAN BRAIN isoleucine proline phenylalanine tyrosine tryptophan serine threonine ileu pro phe tyr try ser thr lysine histidine lys his arginine methionine arg met cystine cysteine cy-S-cy-SH Of the abbreviations that are more than the first three letters of the names, ileu, asp-NH2, and ghrNH2 should be clear.

But it would give a rough percentage composition: so much valine, so much arginine, so much cystine and proline and leucine.