3a7b

Crystal structure of TLR2-Streptococcus Pneumoniae lipoteichoic acid complex

Method: X-RAY DIFFRACTION Dmax: 90.6 Å Quality: EXCELLENT

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

Toll-like receptor 2, Variable lymphocyte receptor B

Eptatretus burgeri

UniProt Q4G1L2

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 133–200 Fragment:extracellular domain, UNP residues 1-506(mouse), UNP residues 133-200(Inshore hagfish) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 LTC (2S)-1-({3-O-[2-(acetylamino)-4-amino-2,4,6-trideoxy-beta-D-galactopyranosyl]-alpha-D-glucopyranosyl}oxy)-3-(heptanoyloxy)propan-2-yl (7Z)-pentadec-7-enoate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;293 K;50mM ammonium citrate pH 7.0, 20% PEG 4000, 30% ethylene glycol, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.53 Å R-free 0.270

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.

30 other PDB entries and 50 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q4G1L2_EPTBU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 509–576; UniProt 133–200

Toll-like receptor 2, Variable lymphocyte receptor B

Eptatretus burgeri

UniProt Q9QUN7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Monomer Protein × 1 其他Polymer 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–506 Fragment:extracellular domain, UNP residues 1-506(mouse), UNP residues 133-200(Inshore hagfish) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 LTC (2S)-1-({3-O-[2-(acetylamino)-4-amino-2,4,6-trideoxy-beta-D-galactopyranosyl]-alpha-D-glucopyranosyl}oxy)-3-(heptanoyloxy)propan-2-yl (7Z)-pentadec-7-enoate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;293 K;50mM ammonium citrate pH 7.0, 20% PEG 4000, 30% ethylene glycol, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.53 Å R-free 0.270

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.

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TLR2_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–506; UniProt 1–506

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 3a7b

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3a7b
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id3a7b
Deposition date deposition_date2009-09-20
Structure title titleCrystal structure of TLR2-Streptococcus Pneumoniae lipoteichoic acid complex
Keywords keywords;Toll-like receptor, lipoteichoic acid, Leucine Rich Repeat, Cell membrane, Cytoplasmic vesicle, Disulfide bond, Glycoprotein, Immune response, Inflammatory response, Membrane, Receptor, Transmembrane, Phosphoprotein, IMMUNE SYSTEM ;; IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier30.69
Radius of gyration Rg (electron density) rg_electron29.57
Forward intensity I(0) i061648500.00
Molecular weight molecular_weight63318.0 kDa
Excluded volume excluded_volume80015 ų
Envelope volume envelope_volume104760 ų
Hydration-shell volume shell_volume28931 ų
Envelope diameter envelope_diameter93.8
Shell Rg shell_rg37.61
Envelope Rg envelope_rg28.89
Shape Rg shape_rg29.55
Total Rg total_rg30.44
Total atoms total_atoms4451
Residues n_residues550
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 dmax90.6
Rg (real space) rg_real30.58
Rg uncertainty (real space) rg_real_error0.60
I(0) (real space) i0_real6.1650e+07
I(0) uncertainty (real space) i0_real_error9.3810e+05
Rg (reciprocal space) rg_reciprocal30.63
I(0) (reciprocal space) i0_reciprocal61650000.0000
Solution quality estimate total_estimate0.9014
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary48.8
Skewness Skewness skewness0.038
Kurtosis Kurtosis kurtosis-0.891
Angular range angular_range— – 0.2600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha22490000.0000
Real-space data points n_real_points53
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.928; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.944

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)