proline

noun
pro·​line | \ ˈprō-ˌlēn How to pronounce proline (audio) \

Definition of proline

: an amino acid C5H9NO2 that can be synthesized by animals from glutamate

Examples of proline in a Sentence

Recent Examples on the Web The third mutant in S1, the substitution of proline for arginine (P681R), is located near the cleavage site between S1 and S2. William A. Haseltine, Forbes, 12 Apr. 2021 Likely, a skin improvement is due to additional ingredients in your topical cream or simply additional proline, an amino acid found in collagen. Brooke Russell, Quartzy, 5 Oct. 2019 Likely, a skin improvement is due to additional ingredients in your topical cream or simply additional proline, an amino acid found in collagen. Brooke Russell, Quartzy, 5 Oct. 2019 Likely, a skin improvement is due to additional ingredients in your topical cream or simply additional proline, an amino acid found in collagen. Brooke Russell, Quartzy, 5 Oct. 2019 Likely, a skin improvement is due to additional ingredients in your topical cream or simply additional proline, an amino acid found in collagen. Brooke Russell, Quartzy, 5 Oct. 2019 Likely, a skin improvement is due to additional ingredients in your topical cream or simply additional proline, an amino acid found in collagen. Brooke Russell, Quartzy, 5 Oct. 2019 Likely, a skin improvement is due to additional ingredients in your topical cream or simply additional proline, an amino acid found in collagen. Brooke Russell, Quartzy, 5 Oct. 2019 The supplements specifically contain high amounts of three amino acids that are key building blocks for collagen synthesis in the body: glycine, proline and hydroxyproline. Lisa Drayer, CNN, 17 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'proline.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of proline

1904, in the meaning defined above

History and Etymology for proline

German Prolin, contraction of Pyrrolidin pyrrolidine (C4H9N), from International Scientific Vocabulary pyrrole + -idine

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Time Traveler for proline

Time Traveler

The first known use of proline was in 1904

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Statistics for proline

Last Updated

24 Apr 2021

Cite this Entry

“Proline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proline. Accessed 20 Jun. 2021.

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More Definitions for proline

proline

noun
pro·​line | \ ˈprō-ˌlēn How to pronounce proline (audio) \

Medical Definition of proline

: an amino acid C5H9NO2 that can be synthesized by animals from glutamate abbreviation Pro

More from Merriam-Webster on proline

Britannica.com: Encyclopedia article about proline

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