التفاصيل البيبلوغرافية
| العنوان: |
Recognition of BRAF by CDC37 and Re-Evaluation of the Activation Mechanism for the Class 2 BRAF-L597R Mutant. |
| المؤلفون: |
Bjorklund, Dennis M.1 (AUTHOR) dennis.bj90@gmail.com, Morgan, R. Marc L.2 (AUTHOR) rhodri.morgan@imperial.ac.uk, Oberoi, Jasmeen3 (AUTHOR) j.oberoi@sussex.ac.uk, Day, Katie L. I. M.4 (AUTHOR) katie.day@domainex.co.uk, Galliou, Panagiota A.5 (AUTHOR) ag.gal.work@gmail.com, Prodromou, Chrisostomos1 (AUTHOR) chris.prodromou@sussex.ac.uk |
| المصدر: |
Biomolecules (2218-273X). Jul2022, Vol. 12 Issue 7, pN.PAG-N.PAG. 25p. |
| مصطلحات موضوعية: |
*BRAF genes, *HEAT shock proteins, *CELL membranes, *CELL division |
| مستخلص: |
The kinome specific co-chaperone, CDC37 (cell division cycle 37), is responsible for delivering BRAF (B-Rapidly Accelerated Fibrosarcoma) to the Hsp90 (heat shock protein 90) complex, where it is then translocated to the RAS (protooncogene product p21) complex at the plasma membrane for RAS mediated dimerization and subsequent activation. We identify a bipartite interaction between CDC37 and BRAF and delimitate the essential structural elements of CDC37 involved in BRAF recognition. We find an extended and conserved CDC37 motif, 20HPNID---SL--W31, responsible for recognizing the C-lobe of BRAF kinase domain, while the c-terminal domain of CDC37 is responsible for the second of the bipartite interaction with BRAF. We show that dimerization of BRAF, independent of nucleotide binding, can act as a potent signal that prevents CDC37 recognition and discuss the implications of mutations in BRAF and the consequences on signaling in a clinical setting, particularly for class 2 BRAF mutations. [ABSTRACT FROM AUTHOR] |
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