6YQN: First bromodomain of human BRD4

Crystal structure of the first bromodomain of human BRD4 in complex with the dual inhibitor TW9. Determined by X-ray diffraction at 1.05 Å resolution. Released 6 May 2020.

Method
X-ray diffraction
Resolution
1.05 Å
Organism
Homo sapiens
Chains
1
Atoms
1,249
Mol. weight
15.83 kDa
Ligands
P8T
Released
6 May 2020

Explore 6YQN in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6YQN contains 9 α-helices and 0 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 9 helices, 0 β-strands

ElementResiduesLengthSheet
α-helix43-497
α-helix61-655
α-helix66-716
α-helix72-754
α-helix81-833
α-helix97-1004
α-helix107-1159
α-helix122-13918
α-helix145-16117

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Bromodomain-containing protein 4Aprotein127Homo sapiensO60885 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>6YQN_1 Bromodomain-containing protein 4 (chains A)
SMNPPPPETSNPNKPKRQTNQLQYLLRVVLKTLWKHQFAWPFQQPVDAVKLNLPDYYKII
KTPMDMGTIKKRLENNYYWNAQECIQDFNTMFTNCYIYNKPGDDIVLMAEALEKLFLQKI
NELPTEE

Ligands and cofactors

IDNameFormulaCopies
P8T~{N}-(2-aminophenyl)-4-[2-[(9~{S})-7-(4-chlorophenyl)-4,5,13-trimethyl-3-thia-1…C32 H28 Cl N7 O2 S1

Water and common crystallization additives (EDO) are not listed.

Primary citation

Characterization of a dual BET/HDAC inhibitor for treatment of pancreatic ductal adenocarcinoma. Zhang, X., Zegar, T., Weiser, T. et al. Int J Cancer (2020) 147:2847-2861. DOI 10.1002/ijc.33137 · PubMed

Other PDB entries of the same protein (UniProt O60885 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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