Experiments have identified Residue Y as a glutamate residue. If so, then what p

Question

Experiments have identified Residue Y as a glutamate residue. If so, then what part of

the depiction (Question #11) is in error?

A. Residue Y would initially act as an electrophile (not as a nucleophile).

B. Residue X would initially act as a base (not as an acid).

C. Following Step D, the sugar molecule would be in its linear form (not in itscyclized form).

D. When protonated, Residue Y would carry a neutral charge (not a positive charge).

E. When protonated, Residue Y would carry a negative charge (not a positive charge).

Residue X Residue X CHzOF0 OH BE Step A OH H HO OH H OH H OH Residue Y Residue Y Step B Residue X Residue X BE OHB Steb C OH OH CH OH OH OH HO HO Residue Y BE Residue Y Step D H HO OH OH

Explanation / Answer

In the given statements -

Statement A) , C), and E) parts are incorrect, It is easily predicted by the given mechanism.

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