8xq2

Crystal structure of spleen tyrosine kinase(SYK)in complex with SKI-G-1693

Method: X-RAY DIFFRACTION Dmax: 102.7 Å Quality: GOOD

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

Tyrosine-protein kinase SYK

Homo sapiens

UniProt P43405

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 356–635 Chain B; UniProt 356–635 Fragment:PROTEIN KINASE DOMAIN, RESIDUES 356-635 GOL GLYCEROL × 1 A1LV7 cyclopropyl-[1-(2-fluoranylethyl)-5-[[4-[4-[[(3~{R},4~{S})-3-methoxy-4-oxidanyl-pyrrolidin-1-yl]methyl]-3-methyl-pyrazol-1-yl]pyrimidin-2-yl]amino]indol-3-yl]methanone × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;0.1M tris-HCl pH 8.5, 10% PEG 3350 Resolution 1.80 Å R-free 0.238

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.

92 other PDB entries and 134 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KSYK_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–280; UniProt 356–635 Author chain B; PDBConstruct 1–280; UniProt 356–635

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 8xq2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8xq2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8xq2
Deposition date deposition_date2024-01-04
最后修订 last_revision2025-01-15
Structure title titleCrystal structure of spleen tyrosine kinase(SYK)in complex with SKI-G-1693
Keywords keywordsSIGNALING PROTEIN-Inhibitor complex, SIGNALING PROTEIN-INHIBITOR; SIGNALING PROTEIN-INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.43
Radius of gyration Rg (electron density) rg_electron29.30
Forward intensity I(0) i0115784000.00
Molecular weight molecular_weight57645.0 kDa
Excluded volume excluded_volume56099 ų
Envelope volume envelope_volume96390 ų
Hydration-shell volume shell_volume28975 ų
Envelope diameter envelope_diameter107.3
Shell Rg shell_rg34.47
Envelope Rg envelope_rg29.54
Shape Rg shape_rg29.30
Total Rg total_rg29.67
Total atoms total_atoms4354
Residues n_residues524
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 dmax102.7
Rg (real space) rg_real29.68
Rg uncertainty (real space) rg_real_error1.05
I(0) (real space) i0_real1.1580e+08
I(0) uncertainty (real space) i0_real_error1.7440e+06
Rg (reciprocal space) rg_reciprocal29.58
I(0) (reciprocal space) i0_reciprocal115800000.0000
Solution quality estimate total_estimate0.7506
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.6
Skewness Skewness skewness0.558
Kurtosis Kurtosis kurtosis-0.291
Angular range angular_range— – 0.2700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha24440000.0000
Real-space data points n_real_points55
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.669; Stabil: 0.996; Sysdev: 1.000; Positv: 1.000; Valcen: 0.760; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)