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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 / T-helper 1 cell lineage commitment / positive regulation of pentose-phosphate shunt / regulation of locomotor rhythm / 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 / T-helper 1 cell lineage commitment / positive regulation of pentose-phosphate shunt / regulation of locomotor rhythm / 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 / positive regulation of transcription of nucleolar large rRNA by RNA polymerase I / calcineurin-NFAT signaling cascade / voluntary musculoskeletal movement / regulation of osteoclast differentiation / RNA polymerase III type 3 promoter sequence-specific DNA binding / positive regulation of keratinocyte migration / regulation of lysosome organization / Amino acids regulate mTORC1 / cellular response to L-leucine / MTOR signalling / cellular response to nutrient / regulation of autophagosome assembly / Energy dependent regulation of mTOR by LKB1-AMPK / TORC1 signaling / energy reserve metabolic process / ruffle organization / serine/threonine protein kinase complex / negative regulation of cell size / cellular response to methionine / 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 / AKT phosphorylates targets in the cytosol / cardiac muscle cell development / protein serine/threonine kinase inhibitor activity / negative regulation of calcineurin-NFAT signaling cascade / regulation of myelination / positive regulation of transcription by RNA polymerase III / negative regulation of macroautophagy / positive regulation of actin filament polymerization / regulation of cell size / Macroautophagy / positive regulation of myotube differentiation / protein kinase inhibitor activity / Constitutive Signaling by AKT1 E17K in Cancer / oligodendrocyte differentiation / germ cell development / neurotrophin TRK receptor signaling pathway / behavioral response to pain / TOR signaling / mTORC1-mediated signalling / positive regulation of oligodendrocyte differentiation / positive regulation of translational initiation / CD28 dependent PI3K/Akt signaling / positive regulation of TOR signaling / response to amino acid / HSF1-dependent transactivation / regulation of macroautophagy / 'de novo' pyrimidine nucleobase biosynthetic process / cellular response to nutrient levels / vascular endothelial cell response to laminar fluid shear stress / positive regulation of lipid biosynthetic process / neuronal action potential / heart morphogenesis / positive regulation of epithelial to mesenchymal transition / regulation of cellular response to heat / positive regulation of lamellipodium assembly / cardiac muscle contraction / regulation of neuron apoptotic process / phagocytic vesicle / positive regulation of stress fiber assembly / negative regulation of TORC1 signaling / T cell costimulation / cytoskeleton organization / endomembrane system / negative regulation of autophagy / cellular response to amino acid starvation / protein serine/threonine kinase activator activity / positive regulation of glycolytic process / cellular response to starvation / regulation of signal transduction by p53 class mediator / Regulation of PTEN gene transcription / positive regulation of translation / negative regulation of protein kinase activity / VEGFR2 mediated vascular permeability / post-embryonic development / TP53 Regulates Metabolic Genes / regulation of actin cytoskeleton organization / phosphoprotein binding / non-specific protein-tyrosine kinase / cellular response to amino acid stimulus / regulation of cell growth 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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-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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