5ef5

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Crystal structure of Chaetomium thermophilum RaptorCrystal structure of Chaetomium thermophilum Raptor

Structural highlights

5ef5 is a 2 chain structure with sequence from Chaetomium thermophilum. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 4.3Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Publication Abstract from PubMed

Target of rapamycin (TOR), a conserved protein kinase and central controller of cell growth, functions in two structurally and functionally distinct complexes: TORC1 and TORC2. Dysregulation of mammalian TOR (mTOR) signaling is implicated in pathologies that include diabetes, cancer, and neurodegeneration. We resolved the architecture of human mTORC1 (mTOR with subunits Raptor and mLST8) bound to FK506 binding protein (FKBP)-rapamycin, by combining cryo-electron microscopy at 5.9 angstrom resolution with crystallographic studies of Chaetomium thermophilum Raptor at 4.3 angstrom resolution. The structure explains how FKBP-rapamycin and architectural elements of mTORC1 limit access to the recessed active site. Consistent with a role in substrate recognition and delivery, the conserved amino-terminal domain of Raptor is juxtaposed to the kinase active site.

Architecture of human mTOR complex 1.,Aylett CH, Sauer E, Imseng S, Boehringer D, Hall MN, Ban N, Maier T Science. 2016 Jan 1;351(6268):48-52. doi: 10.1126/science.aaa3870. Epub 2015 Dec , 17. PMID:26678875[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. Aylett CH, Sauer E, Imseng S, Boehringer D, Hall MN, Ban N, Maier T. Architecture of human mTOR complex 1. Science. 2016 Jan 1;351(6268):48-52. doi: 10.1126/science.aaa3870. Epub 2015 Dec , 17. PMID:26678875 doi:http://dx.doi.org/10.1126/science.aaa3870

5ef5, resolution 4.30Å

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