label: [glutamine synthetase]-adenylyl-L-tyrosine phosphorylase activity
label_lc: [glutamine synthetase]-adenylyl-l-tyrosine phosphorylase activity
description: "Catalysis of the reaction: [glutamine synthetase]-O(4)-(5'-adenylyl)-L-tyrosine + phosphate = [glutamine synthetase]-L-tyrosine + ADP."