cysteine
Use Cysteine in a sentence
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tiˌin, -ɪn noun Biochemistry.
a crystalline amino acid, C 3 H 7 O 2 NS, a component of nearly all proteins, obtained by the reduction of cystine. Abbreviation: Cys; Symbol: C
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To cysteine
Collins
World English Dictionary
cysteine (ˈsɪstɪˌiːn, -ɪn) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| a sulphur-containing amino acid, present in proteins, that oxidizes on exposure to air to form cystine. Formula: HSCH2CH(NH2)COOH | |
| [C19: variant of | |
| cyste'inic | |
| —adj | |
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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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Cysteine
is always a great word to know.
So is homoserine. Does it mean:
| UGG, non polar side chain |
| formed in the conversion of methionine to cysteine |
American Heritage
Medical Dictionary
cysteine cys·te·ine (sĭs'tē-ēn', -ĭn, sĭ-stē'ĭn)
n.
Abbr. Cys
An alpha-amino acid found in most proteins and especially abundant in keratin.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
| cysteine (sĭs'tə-ēn') Pronunciation Key
A nonessential amino acid. Chemical formula: C3H7NO2S. See more at amino acid. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
These break down the protein residues and release methyl mercaptan from the amino acids cysteine and methionine.
The cysteine thiol group is nucleophilic and easily oxidized.
Cysteine is an important source of sulfide in human metabolism.
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