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Structural insights into the EGO-TC–mediated membrane tethering of the TORC1-regulatory Rag GTPases

Zhang, Tianlong ; Péli-Gulli, Marie-Pierre ; Zhang, Zhen ; Tang, Xin ; Ye, Jie ; Virgilio, Claudio De ; Ding, Jianping

In: Science Advances, 2019, vol. 5, no. 9, p. eaax8164

The Rag/Gtr GTPases serve as a central module in the nutrient-sensing signaling network upstream of TORC1. In yeast, the anchoring of Gtr1-Gtr2 to membranes depends on the Ego1-Ego2-Ego3 ternary complex (EGO-TC), resulting in an EGO- TC-Gtr1-Gtr2 complex (EGOC). EGO-TC and human Ragulator share no obvious sequence similarities and also differ in their composition with respect to the number of ...