Nearby Words

proline

[proh-leen, -lin]

pro·line

[proh-leen, -lin]
noun Biochemistry.
an alcohol-soluble amino acid, C4H9NHCOOH, occurring in high concentration in collagen. Abbreviation: Pro; Symbol: P

Origin:
1900–05; alteration of pyrrolidine
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Proline is always a great word to know.
So is cysteine. Does it mean:
component of nearly all proteins, obtained by the reduction of cystine
white, crystalline, water-soluble obtained by the decomposition of proteins
Collins
World English Dictionary
proline (ˈprəʊliːn, -lɪn)
 
n
a nonessential amino acid that occurs in protein
 
[C20: from pyrrolidine]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

proline pro·line (prō'lēn')
n.
Abbr. Pro
An amino acid that is found in most proteins and is a major constituent of collagen.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
proline   (prō'lēn')  Pronunciation Key 
A nonessential amino acid. Chemical formula: C5H9NO2. See more at amino acid.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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