6PGLase: rxn 2

Question 1

rxn

Answer 1

would occur on its own without an enzyme, but enzyme makes it go faster.

NAS rxn, lactone hydrolysis (cyclic ester), breaks open into straight chain.

His acting as a base in tautomeric shift

Tautomeric shift, which is a histidine tauto shift, followed by polarization of water and opening of lactone to get straight chain system….