3S91

Crystal Structure of the first bromodomain of human BRD3 in complex with the inhibitor JQ1

• PDB DOI: https://doi.org/10.2210/pdb3S91/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2011-05-31 Released: 2011-06-29 
• Deposition Author(s): Filippakopoulos, P., Picaud, S., Qi, J., Keates, T., Felletar, I., Fedorov, O., Muniz, J., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Weigelt, J., Bountra, C., Bradner, J.E., Knapp, S., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.06 Å
• R-Value Free: 0.233 
• R-Value Work: 0.195 
• R-Value Observed: 0.197 

Starting Model: experimental

Literature

Crystal Structure of the first bromodomain of human BRD3 in complex with the inhibitor JQ1

Filippakopoulos, P., Picaud, S., Qi, J., Keates, T., Felletar, I., Fedorov, O., Muniz, J., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Weigelt, J., Bountra, C., Bradner, J.E., Knapp, S.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 15.1 kDa 
• Atom Count: 993 
• Modelled Residue Count: 107 
• Deposited Residue Count: 123 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bromodomain-containing protein 3	A	123	Homo sapiens	Mutation(s): 0  Gene Names: BRD3, KIAA0043, RING3L
UniProt & NIH Common Fund Data Resources
Find proteins for Q15059 (Homo sapiens) Explore Q15059  Go to UniProtKB:  Q15059
PHAROS:  Q15059 GTEx:  ENSG00000169925

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
JQ1	B [auth A]	(6S)-6-(2-tert-butoxy-2-oxoethyl)-4-(4-chlorophenyl)-2,3,9-trimethyl-6,7-dihydrothieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-10-ium C23 H26 Cl N4 O2 S DNVXATUJJDPFDM-KRWDZBQOSA-O
IPA	C [auth A]	ISOPROPYL ALCOHOL C3 H8 O KFZMGEQAYNKOFK-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.06 Å
• R-Value Free: 0.233 
• R-Value Work: 0.195 
• R-Value Observed: 0.197 
• Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 86.56	α = 90
b = 86.56	β = 90
c = 76.891	γ = 120

Software Package:

Software Name	Purpose
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
MOSFLM	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-06-29 
Deposition Author(s): Filippakopoulos, P., Picaud, S., Qi, J., Keates, T., Felletar, I., Fedorov, O., Muniz, J., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Weigelt, J., Bountra, C., Bradner, J.E., Knapp, S., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2011-06-29
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description