Electrostatic reactions aren’t actual “reactions” in the chemical sense — they are better understood as electrostatic interactions, meaning the forces of attraction or repulsion between charged particles. These interactions are fundamental in physics and chemistry, governing how atoms, ions, and molecules behave | Bry Ayuban

In fibrous proteins, polypeptide chains are held together by: (i) van der Waals forces (ii) disulphide linkage (iii) electrostatic forces of attraction (iv) hydrogen bonds - Chemistry | Shaalaa.com