3a79

Crystal structure of TLR2-TLR6-Pam2CSK4 complex

Method: X-RAY DIFFRACTION Dmax: 131.8 Å Quality: GOOD

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

Toll-like receptor 2, Variable lymphocyte receptor B

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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 Heteromer Protein × 3 其他Polymer 6 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 133–200 Fragment:extracellular domain, UNP residues 1-506(mouse), UNP residues 133-200(Inshore hagfish) Toll-like receptor 6, Variable lymphocyte receptor B × 1 (Q9EPW9,Q4G1L3) Pam2CSK4 × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 PXS (2S)-propane-1,2-diyl dihexadecanoate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;293 K;2.0M ammonium sulfate, 0.1M MES pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.90 Å R-free 0.280

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

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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 Heteromer Protein × 3 其他Polymer 6 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–506 Fragment:extracellular domain, UNP residues 1-506(mouse), UNP residues 133-200(Inshore hagfish) Toll-like receptor 6, Variable lymphocyte receptor B × 1 (Q9EPW9,Q4G1L3) Pam2CSK4 × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 PXS (2S)-propane-1,2-diyl dihexadecanoate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;293 K;2.0M ammonium sulfate, 0.1M MES pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.90 Å R-free 0.280

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

Toll-like receptor 6, Variable lymphocyte receptor B

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UniProt Q4G1L3

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 Heteromer Protein × 3 其他Polymer 6 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 157–232 Fragment:extracellular domain, UNP residues 1-482(mouse), UNP residues 157-232(Inshore hagfish) Toll-like receptor 2, Variable lymphocyte receptor B × 1 (Q9QUN7,Q4G1L2) Pam2CSK4 × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 PXS (2S)-propane-1,2-diyl dihexadecanoate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;293 K;2.0M ammonium sulfate, 0.1M MES pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.90 Å R-free 0.280

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.

4 other PDB entries and 7 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q4G1L3_EPTBU
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 483–558; UniProt 157–232

Toll-like receptor 6, Variable lymphocyte receptor B

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UniProt Q9EPW9

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 Heteromer Protein × 3 其他Polymer 6 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 1–482 Fragment:extracellular domain, UNP residues 1-482(mouse), UNP residues 157-232(Inshore hagfish) Toll-like receptor 2, Variable lymphocyte receptor B × 1 (Q9QUN7,Q4G1L2) Pam2CSK4 × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 PXS (2S)-propane-1,2-diyl dihexadecanoate × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;293 K;2.0M ammonium sulfate, 0.1M MES pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.90 Å R-free 0.280

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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name TLR6_MOUSE
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–482; UniProt 1–482

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 3a79

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3a79
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3a79
Deposition date deposition_date2009-09-20
Structure title titleCrystal structure of TLR2-TLR6-Pam2CSK4 complex
Keywords keywords;Toll-like Receptor, diacyl lipopeptide, innate immunity, Leucine Rich Repeat, Cell membrane, Cytoplasmic vesicle, Disulfide bond, Glycoprotein, Immune response, Inflammatory response, LEUCINE-RICH REPEAT, 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_guinier37.91
Radius of gyration Rg (electron density) rg_electron37.47
Forward intensity I(0) i0236314000.00
Molecular weight molecular_weight126820.0 kDa
Excluded volume excluded_volume160060 ų
Envelope volume envelope_volume216910 ų
Hydration-shell volume shell_volume49965 ų
Envelope diameter envelope_diameter131.2
Shell Rg shell_rg41.84
Envelope Rg envelope_rg36.98
Shape Rg shape_rg37.46
Total Rg total_rg37.80
Total atoms total_atoms8906
Residues n_residues1081
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 dmax131.8
Rg (real space) rg_real37.97
Rg uncertainty (real space) rg_real_error1.12
I(0) (real space) i0_real2.3630e+08
I(0) uncertainty (real space) i0_real_error3.9430e+06
Rg (reciprocal space) rg_reciprocal37.93
I(0) (reciprocal space) i0_reciprocal236300000.0000
Solution quality estimate total_estimate0.7661
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary50.2
Skewness Skewness skewness0.417
Kurtosis Kurtosis kurtosis-0.015
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha70780000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.653; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id3a79B00
Class class3 — Alpha Beta
Architecture architecture80 — Alpha-Beta Horseshoe
Topology topology10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Homologous superfamily homologous superfamily10 — Ribonuclease Inhibitor

8. Citations (1)

9. Files and Curves (10)