JEE Main Chemistry question

[UP SEE 2007] Which functional group participates in disulphide bond formation in proteins?

(A)Thiolactone
(B)ThiolCorrect
(C)Thioether
(D)Thioester

Answer: (B)

Solution

Disulphide bonds form by the oxidative coupling of two cysteine side-chain thiol (–SH) groups, releasing two hydrogen atoms and linking the two sulphur atoms as –S–S–; reducing agents such as NaBH₄ can reverse this bond back to two free

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-150686