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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 | ||||||
Components |
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Keywords | TRANSFERASE / complex / FRB / WD40 / PRAS40 | ||||||
Function / homology | Function and homology information RNA polymerase III type 2 promoter sequence-specific DNA binding / positive regulation of cytoplasmic translational initiation / RNA polymerase III type 1 promoter sequence-specific DNA binding / positive regulation of pentose-phosphate shunt / T-helper 1 cell lineage commitment / regulation of locomotor rhythm / positive regulation of wound healing, spreading of epidermal cells / cellular response to leucine starvation / TFIIIC-class transcription factor complex binding / TORC2 complex ...RNA polymerase III type 2 promoter sequence-specific DNA binding / positive regulation of cytoplasmic translational initiation / RNA polymerase III type 1 promoter sequence-specific DNA binding / positive regulation of pentose-phosphate shunt / T-helper 1 cell lineage commitment / regulation of locomotor rhythm / positive regulation of wound healing, spreading of epidermal cells / cellular response to leucine starvation / TFIIIC-class transcription factor complex binding / TORC2 complex / heart valve morphogenesis / regulation of membrane permeability / negative regulation of lysosome organization / RNA polymerase III type 3 promoter sequence-specific DNA binding / TORC1 complex / positive regulation of transcription of nucleolar large rRNA by RNA polymerase I / calcineurin-NFAT signaling cascade / regulation of autophagosome assembly / TORC1 signaling / voluntary musculoskeletal movement / regulation of osteoclast differentiation / positive regulation of keratinocyte migration / cellular response to L-leucine / MTOR signalling / Amino acids regulate mTORC1 / cellular response to nutrient / energy reserve metabolic process / Energy dependent regulation of mTOR by LKB1-AMPK / nucleus localization / negative regulation of TOR signaling / ruffle organization / protein serine/threonine kinase inhibitor activity / negative regulation of cell size / cellular response to osmotic stress / anoikis / cardiac muscle cell development / positive regulation of transcription by RNA polymerase III / negative regulation of protein localization to nucleus / AKT phosphorylates targets in the cytosol / regulation of myelination / negative regulation of calcineurin-NFAT signaling cascade / Macroautophagy / regulation of cell size / negative regulation of macroautophagy / lysosome organization / positive regulation of oligodendrocyte differentiation / positive regulation of actin filament polymerization / protein kinase inhibitor activity / positive regulation of myotube differentiation / behavioral response to pain / TOR signaling / oligodendrocyte differentiation / mTORC1-mediated signalling / germ cell development / Constitutive Signaling by AKT1 E17K in Cancer / cellular response to nutrient levels / neurotrophin TRK receptor signaling pathway / CD28 dependent PI3K/Akt signaling / positive regulation of phosphoprotein phosphatase activity / positive regulation of translational initiation / neuronal action potential / HSF1-dependent transactivation / positive regulation of TOR signaling / positive regulation of epithelial to mesenchymal transition / regulation of macroautophagy / endomembrane system / 'de novo' pyrimidine nucleobase biosynthetic process / response to amino acid / positive regulation of lipid biosynthetic process / phagocytic vesicle / positive regulation of lamellipodium assembly / heart morphogenesis / regulation of neuron apoptotic process / regulation of cellular response to heat / cytoskeleton organization / cardiac muscle contraction / negative regulation of TORC1 signaling / positive regulation of stress fiber assembly / cellular response to amino acid starvation / T cell costimulation / cellular response to starvation / positive regulation of glycolytic process / protein serine/threonine kinase activator activity / response to nutrient levels / post-embryonic development / response to nutrient / negative regulation of autophagy / positive regulation of translation / VEGFR2 mediated vascular permeability / Regulation of PTEN gene transcription / regulation of signal transduction by p53 class mediator / regulation of cell growth / regulation of actin cytoskeleton organization / cellular response to amino acid stimulus / TP53 Regulates Metabolic Genes / macroautophagy / phosphoprotein binding / negative regulation of protein kinase activity / protein catabolic process / protein destabilization 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: 2017 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. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-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 (ref.) |
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Similar structure data |
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-Assembly
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Refine code: 2
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