A very common form of secondary structure in proteins, in which the polypeptide chain is coiled into a helix. The helical structure is held in place by weak hydrogen bonds between the N-H and C = O groups in successive turns of the helix (see illustration). Compare beta sheet.
Alphamethyltryptamine
The most common form of secondary structure in proteins, in which the polypeptide chain is coiled into a helix. The helical structure is held in place by weak hydrogen bonds between the N–H and C = O groups in successive turns of the helix (see illustration). Compare beta sheet.
Alpha helix
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