short range intrachain crankshaft movement 近程链内曲柄运动
英语例句库
A helical conformation of a polypeptide chain, usually right-handed, with maximal intrachain hydrogen bonding; one of the most common secondary structures in proteins. 折叠是由若干肽段或肽链排列起来所形成的相当伸展的片层构象。