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					 Match the reagents in Group I with their preferred cleavage sites in Group II.
 Group I 
 P.Cyanogen bromide 
 Q.o-Iodosobenzoate
 R.Hydroxylamine
 S.2-Nitro-5-thiocyanobenzoate 
 Group II
 1.Carboxyl side of methionine 
 2.Amino side of methionine 
 3.Carboxyl side of tryptophan 
 4.Amino side of cysteine 
 5.Asparagine-glycine bonds
- 
                        - P-1, Q-3, R-5, S-4 
- P-2, Q-3, R-1, S-4 
- P-1, Q-2, R-5, S-4 
- P-4, Q-2, R-5, S-3
 
Correct Option: A

 
	