cysteine

[ sis-tee-een, -in ]

/ ˈsɪs tiˌin, -ɪn /

noun Biochemistry.

a crystalline amino acid, C3H7O2NS, a component of nearly all proteins, obtained by the reduction of cystine. Abbreviation: Cys; Symbol: C

Origin of cysteine

First recorded in 1880–85; alteration of cystine

OTHER WORDS FROM cysteine

cys·te·in·ic, adjective

Words nearby cysteine

cystathionine gamma-synthase, cystathioninuria, cystectasia, cystectomy, cysteic acid, cysteine, cysti-, cystic, cystic acne, cystic artery, cystic disease of breast

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for cysteine

Eggs, he says, are a good source of cysteine, an amino acid that helps the liver break down alcohol faster.
5 Hangover Cures to Save You After a Few Too Many|DailyBurn|December 19, 2014|DAILY BEAST

British Dictionary definitions for cysteine

cysteine

/ (ˈsɪstɪˌiːn, -ɪn) /

noun

a sulphur-containing amino acid, present in proteins, that oxidizes on exposure to air to form cystine. Formula: HSCH 2 CH(NH 2)COOH

Derived forms of cysteine

cysteinic, adjective

Word Origin for cysteine

C19: variant of cystine

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for cysteine

cysteine

[ sĭs′tē-ēn′, -ĭn, sĭ-stē′ĭn ]

n.

An alpha-amino acid found in most proteins and especially abundant in keratin.

Scientific definitions for cysteine

cysteine

[ sĭs′tə-ēn′ ]

A nonessential amino acid. Chemical formula: C3H7NO2S. See more at amino acid.

单词	cysteine
释义	cysteine [ sis-tee-een, -in ] / ˈsɪs tiˌin, -ɪn / noun Biochemistry. a crystalline amino acid, C3H7O2NS, a component of nearly all proteins, obtained by the reduction of cystine. Abbreviation: Cys; Symbol: C Origin of cysteine First recorded in 1880–85; alteration of cystine OTHER WORDS FROM cysteine cys·te·in·ic, adjective Words nearby cysteine cystathionine gamma-synthase, cystathioninuria, cystectasia, cystectomy, cysteic acid, cysteine, cysti-, cystic, cystic acne, cystic artery, cystic disease of breast Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for cysteine Eggs, he says, are a good source of cysteine, an amino acid that helps the liver break down alcohol faster. 5 Hangover Cures to Save You After a Few Too Many\|DailyBurn\|December 19, 2014\|DAILY BEAST British Dictionary definitions for cysteine cysteine / (ˈsɪstɪˌiːn, -ɪn) / noun a sulphur-containing amino acid, present in proteins, that oxidizes on exposure to air to form cystine. Formula: HSCH 2 CH(NH 2)COOH Derived forms of cysteine cysteinic, adjective Word Origin for cysteine C19: variant of cystine Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for cysteine cysteine [ sĭs′tē-ēn′, -ĭn, sĭ-stē′ĭn ] n. 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. Scientific definitions for cysteine cysteine [ sĭs′tə-ēn′ ] A nonessential amino acid. Chemical formula: C3H7NO2S. See more at amino acid. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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