7run

Crystal structure of phosphorylated RET tyrosine kinase domain complexed with a pyrrolo[2,3-d]pyrimidine inhibitor.

spinqualitylabelsall models 7run, resolution 3.51Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 3.51Å Ligands: 7QU, CL, PTR, SEP Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed The selective inhibition of RET kinase as a treatment for relevant cancer types including lung adenocarcinoma has garnered considerable interest in recent years and prompted a variety of efforts toward the discovery of small-molecule therapeutics. Hits uncovered via the analysis of archival kinase data ultimately led to the identification of a promising pyrrolo[2,3-d]pyrimidine scaffold. The optimization of this pyrrolo[2,3-d]pyrimidine core resulted in compound 1, which demonstrated potent in vitro RET kinase inhibition and robust in vivo efficacy in RET-driven tumor xenografts upon multiday dosing in mice. The administration of 1 was well-tolerated at established efficacious doses (10 and 30 mg/kg, po, qd), and plasma exposure levels indicated a minimal risk of KDR or hERG inhibition in vivo, as evaluated by Miles assay and free plasma concentrations, respectively. Antitarget Selectivity and Tolerability of Novel Pyrrolo[2,3-d]pyrimidine RET Inhibitors.,Mathison CJN, Yang Y, Nelson J, Huang Z, Jiang J, Chianelli D, Rucker PV, Roland J, Xie YF, Epple R, Bursulaya B, Lee C, Gao MY, Shaffer J, Briones S, Sarkisova Y, Galkin A, Li L, Li N, Li C, Hua S, Kasibhatla S, Kinyamu-Akunda J, Kikkawa R, Molteni V, Tellew JE ACS Med Chem Lett. 2021 Nov 6;12(12):1912-1919. doi:, 10.1021/acsmedchemlett.1c00450. eCollection 2021 Dec 9. PMID:34917254 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Tyrosine kinase receptor 3D structures

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