Summary

Name LAMTOR1
Full Name Ragulator complex protein LAMTOR1
Synonyms Late endosomal/lysosomal adaptor and MAPK and MTOR activator 1, Lipid raft adaptor protein p18, Protein associated with DRMs and endosomes, p27Kip1-releasing factor from RhoA, p27RF-Rho | C11orf59, PDRO
Primary ID Q6IAA8
Links - -
Type protein
Relations 2
Function As part of the Ragulator complex it is involved in amino acid sensing and activation of mTORC1, a signaling complex promoting cell growth in response to growth factors, energy levels, and amino acids. Activated by amino acids through a mechanism involving the lysosomal V-ATPase, the Ragulator functions as a guanine nucleotide exchange factor activating the small GTPases Rag. Activated Ragulator and Rag GTPases function as a scaffold recruiting mTORC1 to lysosomes where it is in turn activated. LAMTOR1 is directly responsible for anchoring the Ragulator complex to membranes. Also required for late endosomes/lysosomes biogenesis it may regulate both the recycling of receptors through endosomes and the MAPK signaling pathway through recruitment of some of its components to late endosomes. May be involved in cholesterol homeostasis regulating LDL uptake and cholesterol release from late endosomes/lysosomes. May also play a role in RHOA activation.

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Relations

Regulator Mechanism target score
+ form complex img/form-complex.png binding LAMTOR 0.922
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png ubiquitination LAMTOR1 0.2
Publications: 1 Organism: Mus Musculus