6ALB

CREBBP bromodomain in complex with Cpd 30 (1-(3-(3-(1-methyl-1H-pyrazol-4-yl)isoquinolin-8-yl)-1-(tetrahydro-2H-pyran-4-yl)-1,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl)ethan-1-one)

• PDB DOI: https://doi.org/10.2210/pdb6ALB/pdb

• Classification: PROTEIN BINDING/INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2017-08-07 Released: 2018-10-17 
• Deposition Author(s): Murray, J.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free: 0.242 
• R-Value Work: 0.221 
• R-Value Observed: 0.222 

Literature

Design and Synthesis of A Biaryl Series As Inhibitors for the Bromodomains of CBP/P300

Murray, J.M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 28.46 kDa 
• Atom Count: 1,853 
• Modelled Residue Count: 212 
• Deposited Residue Count: 233 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CREB-binding protein	A	233	Homo sapiens	Mutation(s): 0  Gene Names: CREBBP, CBP EC: 2.3.1.48
UniProt & NIH Common Fund Data Resources
Find proteins for Q92793 (Homo sapiens) Explore Q92793  Go to UniProtKB:  Q92793
PHAROS:  Q92793 GTEx:  ENSG00000005339

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BKJ	F [auth A]	1-{3-[3-(1-methyl-1H-pyrazol-4-yl)isoquinolin-8-yl]-1-(oxan-4-yl)-1,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl}ethan-1-one C26 H28 N6 O2 RPDQYBNAJDAGIK-UHFFFAOYSA-N
B3P	E [auth A]	2-[3-(2-HYDROXY-1,1-DIHYDROXYMETHYL-ETHYLAMINO)-PROPYLAMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C11 H26 N2 O6 HHKZCCWKTZRCCL-UHFFFAOYSA-N
ZN	B [auth A], C [auth A], D [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
BKJ	BindingDB:  6ALB	IC50: 1.2 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free: 0.242 
• R-Value Work: 0.221 
• R-Value Observed: 0.222 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.004	α = 90
b = 60.635	β = 102.69
c = 53.835	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-10-17 
Deposition Author(s): Murray, J.M.

Revision History  

• Version 1.0: 2018-10-17
  Type: Initial release
  
• Version 1.1: 2023-10-04
  Changes: Data collection, Database references, Refinement description