If a putative protein sequence is cloned in an expression vector and the expressed protein is not showing protease activity, then which of the following is not correct?

The protein can be incorrectly folded which can block the protease activity

There might be some other cofactor required for protease activity

The most commonly used expression system is E.coli

If a putative protein sequence is cloned in an expression vector and t

1.	If a putative protein sequence is cloned in an expression vector and the expressed protein is not showing protease activity, then which of the following is not correct?
A.	The protein is not protease
B.	The protein can be incorrectly folded which can block the protease activity
C.	There might be some other cofactor required for protease activity
D.	The most commonly used expression system is E.coli
Answer» B. The protein can be incorrectly folded which can block the protease activity