Chaperonin GroEL hydrolyses ortho-nitrophenyl β-galactoside?

Organic & Biomolecular Chemistry Pub Date: 2023-07-12 DOI: 10.1039/D3OB00989K

Abstract

We serendipitously found that chaperonin GroEL can hydrolyze ortho-nitrophenyl β-galactoside (ONPG), a well-known substrate of the enzyme β-galactosidase. The ONPG hydrolysis by GroEL follows typical enzyme kinetics. Our experiments and molecular docking studies suggest ONPG binding at the ATP binding site of GroEL.

Graphical abstract: Chaperonin GroEL hydrolyses ortho-nitrophenyl β-galactoside
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