8F1Y

EGFR kinase in complex with poziotinib

• PDB DOI: https://doi.org/10.2210/pdb8F1Y/pdb

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


• Deposited: 2022-11-06 Released: 2023-11-08 
• Deposition Author(s): Beyett, T.S., Eck, M.J.
• Funding Organization(s): National Institutes of Health/National Cancer Institute (NIH/NCI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.75 Å
• R-Value Free: 0.228 
• R-Value Work: 0.205 
• R-Value Observed: 0.206 

Literature

EGFR kinase in complex with poziotinib

Beyett, T.S., Eck, M.J.

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: 38.32 kDa 
• Atom Count: 2,389 
• Modelled Residue Count: 293 
• Deposited Residue Count: 331 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Epidermal growth factor receptor	A	331	Homo sapiens	Mutation(s): 0  Gene Names: EGFR, ERBB, ERBB1, HER1 EC: 2.7.10.1
UniProt & NIH Common Fund Data Resources
Find proteins for P00533 (Homo sapiens) Explore P00533  Go to UniProtKB:  P00533
PHAROS:  P00533 GTEx:  ENSG00000146648

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
R2E (Subject of Investigation/LOI)	B [auth A]	1-[4-[4-[[3,4-bis(chloranyl)-2-fluoranyl-phenyl]amino]-7-methoxy-quinazolin-6-yl]oxypiperidin-1-yl]propan-1-one C23 H23 Cl2 F N4 O3 VKPLRGNVMHDBDF-UHFFFAOYSA-N
CIT	C [auth A]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.75 Å
• R-Value Free: 0.228 
• R-Value Work: 0.205 
• R-Value Observed: 0.206 
• Space Group: I 2 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 145.572	α = 90
b = 145.572	β = 90
c = 145.572	γ = 90

Software Package:

Software Name	Purpose
xia2	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
xia2	data reduction
PHASER	phasing
Coot	model building

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-11-08 
Deposition Author(s): Beyett, T.S., Eck, M.J.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Cancer Institute (NIH/NCI)	United States	5R01CA116020-16

Revision History  

• Version 1.0: 2023-11-08
  Type: Initial release