Which force is responsible for the stacking of α-helix structure of protein?

Question

Which force is responsible for the stacking of $\alpha$-helix structure of protein?

(1) H-bonding

(2) Ionic bonding

(3) Covalent bond

(4) Vander Wal forces

Answer 1

Ans : (1) H - bonding

Explanation :

α helix- In this, the chain is coiled spirally, generally in the right handed manner. The helix is stabilised by Hydrogen bond between carboxylic acid of one amino acid and amino group of next fourth amino acid.