The amino acid that produces kinks in the b pleated structure of proteins is: (A) Glycine, (B) Serine, (C) Proline, (D) Alanine
Answer is C. Proline and 4hydroxy proline confer strength to fibrous proteins like collagen,elastin,keratin etc. in their beta pleated structureRef: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 244