1xkk

EGFR kinase domain complexed with a quinazoline inhibitor- GW572016

Method: X-RAY DIFFRACTION Dmax: 62.3 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Epidermal growth factor receptor

Homo sapiens

UniProt P00533

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 695–1022 Fragment:EGFR kinase domain PO4 PHOSPHATE ION × 2 FMM N-{3-CHLORO-4-[(3-FLUOROBENZYL)OXY]PHENYL}-6-[5-({[2-(METHYLSULFONYL)ETHYL]AMINO}METHYL)-2-FURYL]-4-QUINAZOLINAMINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 9;293 K;100 mM CAPS, 200 mM LiSO4, 2M NaKPO4, pH 9, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.40 Å R-free 0.255

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

383 other PDB entries and 565 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name EGFR_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 25–352; UniProt 695–1022

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 1xkk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1xkk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1xkk
Deposition date deposition_date2004-09-29
Structure title titleEGFR kinase domain complexed with a quinazoline inhibitor- GW572016
Keywords keywordsEGFR, epidermal growth factor receptor, kinase, Transferase; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier19.93
Radius of gyration Rg (electron density) rg_electron18.95
Forward intensity I(0) i017566000.00
Molecular weight molecular_weight32746.0 kDa
Excluded volume excluded_volume41392 ų
Envelope volume envelope_volume47318 ų
Hydration-shell volume shell_volume20596 ų
Envelope diameter envelope_diameter63.5
Shell Rg shell_rg25.62
Envelope Rg envelope_rg19.28
Shape Rg shape_rg18.95
Total Rg total_rg19.91
Total atoms total_atoms2299
Residues n_residues289
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax62.3
Rg (real space) rg_real19.82
Rg uncertainty (real space) rg_real_error0.37
I(0) (real space) i0_real1.7570e+07
I(0) uncertainty (real space) i0_real_error2.0910e+05
Rg (reciprocal space) rg_reciprocal19.84
I(0) (reciprocal space) i0_reciprocal17570000.0000
Solution quality estimate total_estimate0.8219
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.6
Skewness Skewness skewness0.217
Kurtosis Kurtosis kurtosis-0.406
Angular range angular_range— – 0.4000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6565000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.895; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1xkka_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamilyd.144.1 — Protein kinase-like (PK-like)
Family Family familyd.144.1.7 — Protein kinases, catalytic subunit

CATH v4.4 (2 domains)

Domain ID domain_id1xkkA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily20 — Phosphorylase Kinase; domain 1
Domain ID domain_id1xkkA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1

8. Citations (1)

9. Files and Curves (10)