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- PDB-5wby: Crystal structure of mTOR(deltaN)-mLST8-PRAS40(beta-strand) complex -
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Basic information
Entry | Database: PDB / ID: 5wby | ||||||
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Title | Crystal structure of mTOR(deltaN)-mLST8-PRAS40(beta-strand) complex | ||||||
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![]() | TRANSFERASE / WD40 / PRAS40 beta / complex | ||||||
Function / homology | ![]() RNA polymerase III type 2 promoter sequence-specific DNA binding / RNA polymerase III type 1 promoter sequence-specific DNA binding / positive regulation of cytoplasmic translational initiation / regulation of locomotor rhythm / T-helper 1 cell lineage commitment / positive regulation of pentose-phosphate shunt / positive regulation of wound healing, spreading of epidermal cells / TORC2 signaling / TORC2 complex / regulation of membrane permeability ...RNA polymerase III type 2 promoter sequence-specific DNA binding / RNA polymerase III type 1 promoter sequence-specific DNA binding / positive regulation of cytoplasmic translational initiation / regulation of locomotor rhythm / T-helper 1 cell lineage commitment / positive regulation of pentose-phosphate shunt / positive regulation of wound healing, spreading of epidermal cells / TORC2 signaling / TORC2 complex / regulation of membrane permeability / cellular response to leucine starvation / negative regulation of lysosome organization / heart valve morphogenesis / TFIIIC-class transcription factor complex binding / TORC1 complex / voluntary musculoskeletal movement / positive regulation of transcription of nucleolar large rRNA by RNA polymerase I / calcineurin-NFAT signaling cascade / regulation of osteoclast differentiation / RNA polymerase III type 3 promoter sequence-specific DNA binding / positive regulation of keratinocyte migration / regulation of lysosome organization / MTOR signalling / Amino acids regulate mTORC1 / cellular response to nutrient / cellular response to L-leucine / energy reserve metabolic process / regulation of autophagosome assembly / Energy dependent regulation of mTOR by LKB1-AMPK / TORC1 signaling / ruffle organization / serine/threonine protein kinase complex / cellular response to methionine / negative regulation of cell size / positive regulation of ubiquitin-dependent protein catabolic process / inositol hexakisphosphate binding / cellular response to osmotic stress / negative regulation of TOR signaling / anoikis / negative regulation of protein localization to nucleus / cardiac muscle cell development / AKT phosphorylates targets in the cytosol / negative regulation of calcineurin-NFAT signaling cascade / regulation of myelination / positive regulation of transcription by RNA polymerase III / negative regulation of macroautophagy / Macroautophagy / positive regulation of myotube differentiation / regulation of cell size / protein kinase inhibitor activity / neurotrophin TRK receptor signaling pathway / positive regulation of actin filament polymerization / Constitutive Signaling by AKT1 E17K in Cancer / germ cell development / TOR signaling / behavioral response to pain / mTORC1-mediated signalling / oligodendrocyte differentiation / regulation of neuron apoptotic process / positive regulation of oligodendrocyte differentiation / positive regulation of translational initiation / protein serine/threonine kinase inhibitor activity / CD28 dependent PI3K/Akt signaling / positive regulation of TOR signaling / HSF1-dependent transactivation / regulation of macroautophagy / response to amino acid / 'de novo' pyrimidine nucleobase biosynthetic process / positive regulation of epithelial to mesenchymal transition / heart morphogenesis / vascular endothelial cell response to laminar fluid shear stress / neuronal action potential / positive regulation of lipid biosynthetic process / cellular response to nutrient levels / negative regulation of protein kinase activity / regulation of cellular response to heat / positive regulation of lamellipodium assembly / cardiac muscle contraction / phagocytic vesicle / T cell costimulation / positive regulation of stress fiber assembly / negative regulation of TORC1 signaling / cytoskeleton organization / endomembrane system / negative regulation of autophagy / negative regulation of insulin receptor signaling pathway / cellular response to amino acid starvation / cellular response to starvation / positive regulation of glycolytic process / positive regulation of translation / protein serine/threonine kinase activator activity / regulation of signal transduction by p53 class mediator / Regulation of PTEN gene transcription / VEGFR2 mediated vascular permeability / post-embryonic development / TP53 Regulates Metabolic Genes / regulation of actin cytoskeleton organization / phosphoprotein binding / cellular response to amino acid stimulus / macroautophagy Similarity search - Function | ||||||
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![]() | Pavletich, N.P. / Yang, H. | ||||||
![]() | ![]() Title: Mechanisms of mTORC1 activation by RHEB and inhibition by PRAS40. Authors: Haijuan Yang / Xiaolu Jiang / Buren Li / Hyo J Yang / Meredith Miller / Angela Yang / Ankita Dhar / Nikola P Pavletich / ![]() Abstract: The mechanistic target of rapamycin complex 1 (mTORC1) controls cell growth and metabolism in response to nutrients, energy levels, and growth factors. It contains the atypical kinase mTOR and the ...The mechanistic target of rapamycin complex 1 (mTORC1) controls cell growth and metabolism in response to nutrients, energy levels, and growth factors. It contains the atypical kinase mTOR and the RAPTOR subunit that binds to the Tor signalling sequence (TOS) motif of substrates and regulators. mTORC1 is activated by the small GTPase RHEB (Ras homologue enriched in brain) and inhibited by PRAS40. Here we present the 3.0 ångström cryo-electron microscopy structure of mTORC1 and the 3.4 ångström structure of activated RHEB-mTORC1. RHEB binds to mTOR distally from the kinase active site, yet causes a global conformational change that allosterically realigns active-site residues, accelerating catalysis. Cancer-associated hyperactivating mutations map to structural elements that maintain the inactive state, and we provide biochemical evidence that they mimic RHEB relieving auto-inhibition. We also present crystal structures of RAPTOR-TOS motif complexes that define the determinants of TOS recognition, of an mTOR FKBP12-rapamycin-binding (FRB) domain-substrate complex that establishes a second substrate-recruitment mechanism, and of a truncated mTOR-PRAS40 complex that reveals PRAS40 inhibits both substrate-recruitment sites. These findings help explain how mTORC1 selects its substrates, how its kinase activity is controlled, and how it is activated by cancer-associated mutations. | ||||||
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-Validation report
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Data in CIF | ![]() | 118.3 KB | Display | |
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-Related structure data
Related structure data | ![]() 7086C ![]() 7087C ![]() 5wbhC ![]() 5wbiC ![]() 5wbjC ![]() 5wbkC ![]() 5wblC ![]() 5wbuC ![]() 6bcuC ![]() 6bcxC ![]() 4jsnS S: Starting model for refinement C: citing same article ( |
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Assembly
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Refine code: 2
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