4fl3

Structural and Biophysical Characterization of the Syk Activation Switch

Method: X-RAY DIFFRACTION Dmax: 89.2 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–635 Mutation:Y348F, Y352F ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;293 K;8% PEG 3350, 100 mM Hepes, 200 mM proline, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 1.90 Å R-free 0.208

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 1–635; UniProt 1–635

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 4fl3

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4fl3
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4fl3
Deposition date deposition_date2012-06-14
Structure title titleStructural and Biophysical Characterization of the Syk Activation Switch
Keywords keywordsTransferase, Protein Kinase; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.92
Radius of gyration Rg (electron density) rg_electron27.23
Forward intensity I(0) i063696200.00
Molecular weight molecular_weight62110.0 kDa
Excluded volume excluded_volume77715 ų
Envelope volume envelope_volume97008 ų
Hydration-shell volume shell_volume30259 ų
Envelope diameter envelope_diameter95.1
Shell Rg shell_rg33.96
Envelope Rg envelope_rg27.42
Shape Rg shape_rg27.21
Total Rg total_rg28.02
Total atoms total_atoms4365
Residues n_residues538
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 dmax89.2
Rg (real space) rg_real27.96
Rg uncertainty (real space) rg_real_error0.53
I(0) (real space) i0_real6.3700e+07
I(0) uncertainty (real space) i0_real_error8.9570e+05
Rg (reciprocal space) rg_reciprocal27.95
I(0) (reciprocal space) i0_reciprocal63700000.0000
Solution quality estimate total_estimate0.8955
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.8
Skewness Skewness skewness0.355
Kurtosis Kurtosis kurtosis-0.465
Angular range angular_range— – 0.2850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha22340000.0000
Real-space data points n_real_points58
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.921; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.980; Smooth: 0.895

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 5 domains

CATH v4.4 (5 domains)

Domain ID domain_id4fl3A01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology505 — SHC Adaptor Protein
Homologous superfamily homologous superfamily10 — SH2 domain
Domain ID domain_id4fl3A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology930 — Syk Kinase; Chain A, domain 2
Homologous superfamily homologous superfamily10 — Syk Kinase; Chain A, domain 2
Domain ID domain_id4fl3A03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology505 — SHC Adaptor Protein
Homologous superfamily homologous superfamily10 — SH2 domain
Domain ID domain_id4fl3A04
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_id4fl3A05
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)