| 单词 | beta sheet |
| 释义 | beta sheetA secondary structure that occurs in many proteins and consists of two or more parallel adjacent polypeptide chains arranged in such a way that hydrogen bonds can form between the chains. Unlike in an alpha helix where the amino acids form a coil, in beta sheets the amino acids are arranged in a zigzag pattern that forms a straight chain. The proteins in silk have a beta-sheet structure. Compare alpha helix random coil. Words nearby beta sheetbeta particle, beta radiation, beta ray, beta receptor, beta rhythm, beta sheet, beta stock, beta structure, beta test, betatopic, betatron The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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