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Yorodumi- PDB-5wbu: Crystal structure of mTOR(deltaN)-mLST8-PRAS40(alpha-helix & beta... -
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Basic information
| Entry | Database: PDB / ID: 5wbu | ||||||
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| Title | Crystal structure of mTOR(deltaN)-mLST8-PRAS40(alpha-helix & beta-strand) complex | ||||||
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Keywords | TRANSFERASE / complex / FRB / WD40 / PRAS40 | ||||||
| Function / homology | Function and homology informationpositive regulation of SCF-dependent proteasomal ubiquitin-dependent catabolic process / 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 / regulation of membrane permeability / TORC2 complex ...positive regulation of SCF-dependent proteasomal ubiquitin-dependent catabolic process / 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 / regulation of membrane permeability / TORC2 complex / cellular response to leucine starvation / TFIIIC-class transcription factor complex binding / heart valve morphogenesis / voluntary musculoskeletal movement / negative regulation of lysosome organization / TORC1 complex / calcineurin-NFAT signaling cascade / RNA polymerase III type 3 promoter sequence-specific DNA binding / positive regulation of transcription of nucleolar large rRNA by RNA polymerase I / positive regulation of keratinocyte migration / regulation of osteoclast differentiation / energy reserve metabolic process / MTOR signalling / regulation of lysosome organization / cellular response to L-leucine / Energy dependent regulation of mTOR by LKB1-AMPK / cellular response to nutrient / regulation of autophagosome assembly / Amino acids regulate mTORC1 / cellular response to methionine / negative regulation of cell size / TORC2 signaling / negative regulation of TOR signaling / cellular response to osmotic stress / AKT phosphorylates targets in the cytosol / cell projection organization / anoikis / inositol hexakisphosphate binding / cardiac muscle cell development / negative regulation of calcineurin-NFAT signaling cascade / negative regulation of protein localization to nucleus / positive regulation of ubiquitin-dependent protein catabolic process / regulation of myelination / positive regulation of transcription by RNA polymerase III / neurotrophin TRK receptor signaling pathway / negative regulation of macroautophagy / positive regulation of ruffle assembly / regulation of cell size / positive regulation of actin filament polymerization / positive regulation of myotube differentiation / Macroautophagy / Constitutive Signaling by AKT1 E17K in Cancer / oligodendrocyte differentiation / germ cell development / protein kinase inhibitor activity / positive regulation of oligodendrocyte differentiation / TORC1 signaling / TOR signaling / response to amino acid / behavioral response to pain / mTORC1-mediated signalling / CD28 dependent PI3K/Akt signaling / HSF1-dependent transactivation / regulation of macroautophagy / positive regulation of TOR signaling / positive regulation of translational initiation / protein serine/threonine kinase inhibitor activity / positive regulation of epithelial to mesenchymal transition / positive regulation of lipid biosynthetic process / negative regulation of protein kinase activity / heart morphogenesis / vascular endothelial cell response to laminar fluid shear stress / 'de novo' pyrimidine nucleobase biosynthetic process / regulation of cellular response to heat / positive regulation of lamellipodium assembly / neuronal action potential / T cell costimulation / phagocytic vesicle / cardiac muscle contraction / positive regulation of stress fiber assembly / negative regulation of TORC1 signaling / cytoskeleton organization / negative regulation of insulin receptor signaling pathway / endomembrane system / post-embryonic development / cellular response to nutrient levels / regulation of neuron apoptotic process / positive regulation of glycolytic process / regulation of signal transduction by p53 class mediator / cellular response to amino acid starvation / cellular response to starvation / Regulation of PTEN gene transcription / negative regulation of autophagy / protein serine/threonine kinase activator activity / VEGFR2 mediated vascular permeability / multicellular organism growth / regulation of actin cytoskeleton organization / TP53 Regulates Metabolic Genes / positive regulation of translation / macroautophagy Similarity search - Function | ||||||
| Biological species | Homo sapiens (human) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.42 Å | ||||||
Authors | Pavletich, N.P. / Yang, H. | ||||||
Citation | Journal: Nature / Year: 2017Title: 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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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 5wbu.cif.gz | 1.1 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb5wbu.ent.gz | 938.4 KB | Display | PDB format |
| PDBx/mmJSON format | 5wbu.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/wb/5wbu ftp://data.pdbj.org/pub/pdb/validation_reports/wb/5wbu | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 7086C ![]() 7087C ![]() 5wbhC ![]() 5wbiC ![]() 5wbjC ![]() 5wbkC ![]() 5wblC ![]() 5wbyC ![]() 6bcuC ![]() 6bcxC ![]() 4jsnS S: Starting model for refinement C: citing same article ( |
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| Similar structure data |
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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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Homo sapiens (human)
X-RAY DIFFRACTION
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