Fig. 5: Proposed mechanisms for GNATs.

A Acid/base mechanism for general GNAT proteins. B Acid/base independent mechanism for FemXWv from Weissella viridescens. C Proposed mechanism for SbzI.

A Acid/base mechanism for general GNAT proteins. B Acid/base independent mechanism for FemXWv from Weissella viridescens. C Proposed mechanism for SbzI.