Glutamine GS Gs concentration AMP(1-12) Active Inactive Adenylylated GS subunits are inactive,so the overall GS activity decreases as more subunits are adenylylated. Any remaining unadenylylated subunits remain active but they have increased sensitivity to feedback inhibition. 腺苷酰化的GS无活性，脱腺苷酰则导致活性恢复 CHEN FENG,School of Life Sciences and Biotech.CHEN FENG，School of Life Sciences and Biotech. Adenylylated GS subunits are inactive, so the overall GS activity decreases as more subunits are adenylylated. Any remaining unadenylylated subunits remain active but they have increased sensitivity to feedback inhibition. 腺苷酰化的GS无活性，脱腺苷酰则导致活性恢复 Active Inactive