Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A secondary structure of proteins, characterized by a single, spiral chain of amino acids stabilized by hydrogen bonds.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
secondary structure found in manyproteins , where theamino acids are arranged in a coil, orhelix , with almost no free space on theinside and allside chains being pointed towards theoutside .
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[From alpha-form, the form taken by unstretched protein molecules.]
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