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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 / TORC2 complex / regulation of membrane permeability ...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 / TORC2 complex / regulation of membrane permeability / cellular response to leucine starvation / TFIIIC-class transcription factor complex binding / heart valve morphogenesis / negative regulation of lysosome organization / TORC1 complex / voluntary musculoskeletal movement / positive regulation of transcription of nucleolar large rRNA by RNA polymerase I / calcineurin-NFAT signaling cascade / RNA polymerase III type 3 promoter sequence-specific DNA binding / positive regulation of keratinocyte migration / regulation of osteoclast differentiation / MTOR signalling / regulation of lysosome organization / energy reserve metabolic process / cellular response to L-leucine / regulation of autophagosome assembly / Energy dependent regulation of mTOR by LKB1-AMPK / cellular response to nutrient / Amino acids regulate mTORC1 / cellular response to methionine / TORC2 signaling / negative regulation of cell size / cellular response to osmotic stress / negative regulation of TOR signaling / anoikis / cell projection organization / AKT phosphorylates targets in the cytosol / inositol hexakisphosphate binding / cardiac muscle cell development / negative regulation of calcineurin-NFAT signaling cascade / positive regulation of ubiquitin-dependent protein catabolic process / regulation of myelination / negative regulation of protein localization to nucleus / positive regulation of transcription by RNA polymerase III / positive regulation of ruffle assembly / regulation of cell size / negative regulation of macroautophagy / positive regulation of myotube differentiation / Macroautophagy / neurotrophin TRK receptor signaling pathway / Constitutive Signaling by AKT1 E17K in Cancer / germ cell development / positive regulation of actin filament polymerization / protein kinase inhibitor activity / oligodendrocyte differentiation / TORC1 signaling / behavioral response to pain / positive regulation of oligodendrocyte differentiation / TOR signaling / mTORC1-mediated signalling / response to amino acid / positive regulation of translational initiation / CD28 dependent PI3K/Akt signaling / HSF1-dependent transactivation / regulation of macroautophagy / positive regulation of TOR signaling / protein serine/threonine kinase inhibitor activity / 'de novo' pyrimidine nucleobase biosynthetic process / positive regulation of epithelial to mesenchymal transition / positive regulation of lipid biosynthetic process / negative regulation of protein kinase activity / vascular endothelial cell response to laminar fluid shear stress / heart morphogenesis / regulation of cellular response to heat / neuronal action potential / positive regulation of lamellipodium assembly / T cell costimulation / phagocytic vesicle / cardiac muscle contraction / positive regulation of stress fiber assembly / negative regulation of TORC1 signaling / negative regulation of insulin receptor signaling pathway / cytoskeleton organization / endomembrane system / cellular response to nutrient levels / regulation of neuron apoptotic process / positive regulation of glycolytic process / cellular response to amino acid starvation / cellular response to starvation / regulation of signal transduction by p53 class mediator / Regulation of PTEN gene transcription / negative regulation of autophagy / VEGFR2 mediated vascular permeability / protein serine/threonine kinase activator activity / post-embryonic development / TP53 Regulates Metabolic Genes / positive regulation of translation / regulation of actin cytoskeleton organization / non-specific protein-tyrosine kinase / 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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