7RV1

Crystal structure of the BCL6 BTB domain in complex with OICR-8826

• PDB DOI: https://doi.org/10.2210/pdb7RV1/pdb

• Classification: TRANSCRIPTION/TRANSCRIPTION INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2021-08-18 Released: 2022-11-09 
• Deposition Author(s): Kuntz, D.A., Prive, G.G.
• Funding Organization(s): Ontario Institute for Cancer Research

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.17 Å
• R-Value Free: 0.151 
• R-Value Work: 0.129 
• R-Value Observed: 0.130 

Literature

Crystal structure of the BCL6 BTB domain in complex with OICR-8826

Watson, I., Isaac, M.

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)

Biological Assembly Evidence: homology

Macromolecule Content

• Total Structure Weight: 15.32 kDa 
• Atom Count: 1,179 
• Modelled Residue Count: 123 
• Deposited Residue Count: 127 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
B-cell lymphoma 6 protein	A	127	Homo sapiens	Mutation(s): 3  Gene Names: BCL6, BCL5, LAZ3, ZBTB27, ZNF51
UniProt & NIH Common Fund Data Resources
Find proteins for P41182 (Homo sapiens) Explore P41182  Go to UniProtKB:  P41182
PHAROS:  P41182 GTEx:  ENSG00000113916

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
7RH (Subject of Investigation/LOI)	B [auth A]	(E)-3-(7-(2-((3-chloropyridin-4-yl)amino)-2-oxoethyl)-3-(3-(1-methyl-1H-pyrazol-4-yl)prop-2-yn-1-yl)-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)acrylamide C23 H19 Cl N8 O3 FJJWRLBHADGFBZ-SNAWJCMRSA-N
SO4	C [auth A], D [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
DMS	E [auth A]	DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.17 Å
• R-Value Free: 0.151 
• R-Value Work: 0.129 
• R-Value Observed: 0.130 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 30.707	α = 90
b = 72.689	β = 106.497
c = 55.478	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-11-09 
Deposition Author(s): Kuntz, D.A., Prive, G.G.

---

Funding Organization	Location	Grant Number
Ontario Institute for Cancer Research		--

Revision History  

• Version 1.0: 2022-11-09
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description