| 单词 | alpha helix |
| 释义 | alpha helixnoun Biochemistry.the rodlike spatial configuration of many protein molecules in which the polypeptide backbone is stabilized by hydrogen bonds between amino acids in successive helical turns. Origin of alpha helixFirst recorded in 1950–55 Words nearby alpha helixalpha fiber, alpha-fucosidase, alpha geek, alpha globulin, alpha granule, alpha helix, alpha-hemolytic streptococci, alpha-hydroxy acid, alpha-interferon, alpha iron, alpha-ketoglutaric acid Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for alpha helixalpha helix nounbiochem a helical conformation of a polypeptide chain, found abundantly in the structure of proteins 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 alpha helixalpha helix n.The helical form, turned in a right-handed direction, of many proteins. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for alpha helixalpha helix A common structure of proteins, characterized by a single, spiral chain of amino acids stabilized by hydrogen bonds. Compare beta sheet random coil. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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