9KL4 | pdb_00009kl4

Crystal structure of EGFR complexed with N-[4-[4-amino-6-ethynyl-5-(3-quinolyl)pyrrolo[2,3-d]pyrimidin-7-yl]norbornan-1-yl]pyrimidine-5-carboxamide

PDB DOI: https://doi.org/10.2210/pdb9KL4/pdb

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

Deposited: 2024-11-14 Released: 2025-09-24
Deposition Author(s): Suzuki, T., Kasuga, H., Yamamoto, F.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.32 Å
R-Value Free:
0.238 (Depositor), 0.241 (DCC)
R-Value Work:
0.186 (Depositor), 0.191 (DCC)
R-Value Observed:
0.189 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

Discovery of TAS3351, a brain-penetrable 4th generation EGFR-TKI overcoming T790M and C797S resistant mutations.

Kasuga, H., Kataoka, Y., Yamamoto, F., Tsuji, S., Miyamoto, R., Suzuki, T., Mizuarai, S.

(2025) Res Sq

DOI: https://doi.org/10.21203/rs.3.rs-6573462/v1

Macromolecule Content

Total Structure Weight: 38.12 kDa
Atom Count: 2,597
Modeled Residue Count: 313
Deposited Residue Count: 330
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Epidermal growth factor receptor	A	330	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
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P00533
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1L53 (Subject of Investigation/LOI) Query on A1L53 Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	N-[4-[4-amino-6-ethynyl-5-(3-quinolyl)pyrrolo[2,3-d]pyrimidin-7-yl]norbornan-1-yl]pyrimidine-5-carboxamide C₂₉ H₂₄ N₈ O JTIOULFGKCXQAT-ISILISOKSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]
CL Query on CL Download Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.32 Å
R-Value Free: 0.238 (Depositor), 0.241 (DCC)
R-Value Work: 0.186 (Depositor), 0.191 (DCC)
R-Value Observed: 0.189 (Depositor)

Space Group: I 2 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 146.92	α = 90
b = 146.92	β = 90
c = 146.92	γ = 90

Software Package:

Software Name	Purpose
autoPROC	data reduction
XDS	data reduction
autoPROC	data scaling
Aimless	data scaling
REFMAC	refinement

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment

Entry History & Funding Information

Deposition Data

Released Date: 2025-09-24

Deposition Author(s):

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2025-09-24
Type: Initial release

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.