6dl2

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BRD4 bromodomain 1 in complex with HYB157

Structural highlights

6dl2 is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.47Å
Ligands:EDO, GUJ
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Disease

BRD4_HUMAN Note=A chromosomal aberration involving BRD4 is found in a rare, aggressive, and lethal carcinoma arising in midline organs of young people. Translocation t(15;19)(q14;p13) with NUT which produces a BRD4-NUT fusion protein.[1] [2]

Function

BRD4_HUMAN Plays a role in a process governing chromosomal dynamics during mitosis (By similarity).

Publication Abstract from PubMed

Proteins of the bromodomain and extra-terminal (BET) family are epigenetics "readers" and promising therapeutic targets for cancer and other human diseases. We describe herein a structure-guided design of [1,4]oxazepines as a new class of BET inhibitors and our subsequent design, synthesis, and evaluation of proteolysis-targeting chimeric (PROTAC) small-molecule BET degraders. Our efforts have led to the discovery of extremely potent BET degraders, exemplified by QCA570, which effectively induces degradation of BET proteins and inhibits cell growth in human acute leukemia cell lines even at low picomolar concentrations. QCA570 achieves complete and durable tumor regression in leukemia xenograft models in mice at well-tolerated dose-schedules. QCA570 is the most potent and efficacious BET degrader reported to date.

Discovery of QCA570 as an Exceptionally Potent and Efficacious Proteolysis Targeting Chimera (PROTAC) Degrader of the Bromodomain and Extra-Terminal (BET) Proteins Capable of Inducing Complete and Durable Tumor Regression.,Qin C, Hu Y, Zhou B, Fernandez-Salas E, Yang CY, Liu L, McEachern D, Przybranowski S, Wang M, Stuckey J, Meagher J, Bai L, Chen Z, Lin M, Yang J, Ziazadeh DN, Xu F, Hu J, Xiang W, Huang L, Li S, Wen B, Sun D, Wang S J Med Chem. 2018 Aug 9;61(15):6685-6704. doi: 10.1021/acs.jmedchem.8b00506. Epub , 2018 Jul 18. PMID:30019901[3]

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

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Citations
48 reviews cite this structure
PROTACs: great opportunities for academia and industry.
Sun et al. (2019)
47 more
29 other articles
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See Also

References

  1. ↑ French CA, Miyoshi I, Kubonishi I, Grier HE, Perez-Atayde AR, Fletcher JA. BRD4-NUT fusion oncogene: a novel mechanism in aggressive carcinoma. Cancer Res. 2003 Jan 15;63(2):304-7. PMID:12543779
  2. ↑ French CA, Miyoshi I, Aster JC, Kubonishi I, Kroll TG, Dal Cin P, Vargas SO, Perez-Atayde AR, Fletcher JA. BRD4 bromodomain gene rearrangement in aggressive carcinoma with translocation t(15;19). Am J Pathol. 2001 Dec;159(6):1987-92. PMID:11733348 doi:10.1016/S0002-9440(10)63049-0
  3. ↑ Qin C, Hu Y, Zhou B, Fernandez-Salas E, Yang CY, Liu L, McEachern D, Przybranowski S, Wang M, Stuckey J, Meagher J, Bai L, Chen Z, Lin M, Yang J, Ziazadeh DN, Xu F, Hu J, Xiang W, Huang L, Li S, Wen B, Sun D, Wang S. Discovery of QCA570 as an Exceptionally Potent and Efficacious Proteolysis Targeting Chimera (PROTAC) Degrader of the Bromodomain and Extra-Terminal (BET) Proteins Capable of Inducing Complete and Durable Tumor Regression. J Med Chem. 2018 Aug 9;61(15):6685-6704. doi: 10.1021/acs.jmedchem.8b00506. Epub , 2018 Jul 18. PMID:30019901 doi:http://dx.doi.org/10.1021/acs.jmedchem.8b00506

Contents


PDB ID 6dl2

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OCA

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