3OCS

Crystal structure of bruton's tyrosine kinase in complex with inhibitor CGI1746

• PDB DOI: https://doi.org/10.2210/pdb3OCS/pdb

• Classification: TRANSFERASE/TRANSFERASE INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2010-08-10 Released: 2010-11-03 
• Deposition Author(s): Davies, D.R., Gallion, S.L., Staker, B.L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.213 
• R-Value Work: 0.183 
• R-Value Observed: 0.184 

Starting Model: experimental

Literature

A novel, specific Btk inhibitor antagonizes BCR and Fc[gamma]R signaling and suppresses inflammatory arthritis

Di Paolo, J.A., Huang, T., Balazs, M., Barbosa, J., Barck, K.H., Carano, R.A.D., Darrow, J., Davies, D.R., DeForge, L.E., Dennis Jr., G., Diehl, L., Ferrando, R.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 32.64 kDa 
• Atom Count: 2,321 
• Modelled Residue Count: 264 
• Deposited Residue Count: 271 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tyrosine-protein kinase BTK	A	271	Homo sapiens	Mutation(s): 0  Gene Names: BTK, AGMX1, ATK, BPK EC: 2.7.10.2
UniProt & NIH Common Fund Data Resources
Find proteins for Q06187 (Homo sapiens) Explore Q06187  Go to UniProtKB:  Q06187
PHAROS:  Q06187 GTEx:  ENSG00000010671

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
746	F [auth A]	4-tert-butyl-N-[2-methyl-3-(4-methyl-6-{[4-(morpholin-4-ylcarbonyl)phenyl]amino}-5-oxo-4,5-dihydropyrazin-2-yl)phenyl]benzamide C34 H37 N5 O4 JIFCFQDXHMUPGP-UHFFFAOYSA-N
SO4	B [auth A], C [auth A], D [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
BME	E [auth A]	BETA-MERCAPTOETHANOL C2 H6 O S DGVVWUTYPXICAM-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.213 
• R-Value Work: 0.183 
• R-Value Observed: 0.184 
• Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 108.386	α = 90
b = 108.386	β = 90
c = 41.974	γ = 120

Software Package:

Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-11-03 
Deposition Author(s): Davies, D.R., Gallion, S.L., Staker, B.L.

Revision History  

• Version 1.0: 2010-11-03
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description