3vq2

Crystal structure of mouse TLR4/MD-2/LPS complex

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

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

Toll-like receptor 4

Mus musculus

UniProt Q9QUK6

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 4 其他Polymer 2 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 22–627 Chain B; UniProt 22–627 Fragment:UNP residues 22-627 Lymphocyte antigen 96 × 2 (Q9JHF9) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 LP4 2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-{[(3R)-3-hydroxytetradecanoyl]amino}-4-O-phosphono-beta-D-glucopyranose × 2 LP5 (R)-((2R,3S,4R,5R,6R)-3-HYDROXY-2-(HYDROXYMETHYL)-5-((R)-3-HYDROXYTETRADECANAMIDO)-6-(PHOSPHONOOXY)TETRAHYDRO-2H-PYRAN-4-YL) 3-HYDROXYTETRADECANOATE × 2 DAO LAURIC ACID × 2 MYR MYRISTIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;293 K;18% PEG3350, 0.2M sodium tartrate, 0.1M Bis-Tris propane, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.48 Å R-free 0.267

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.

9 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TLR4_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–606; UniProt 22–627 Author chain B; PDBConstruct 1–606; UniProt 22–627

Lymphocyte antigen 96

Mus musculus

UniProt Q9JHF9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 4 其他Polymer 2 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 17–160 Chain D; UniProt 17–160 Not recorded Toll-like receptor 4 × 2 (Q9QUK6) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 LP4 2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-{[(3R)-3-hydroxytetradecanoyl]amino}-4-O-phosphono-beta-D-glucopyranose × 2 LP5 (R)-((2R,3S,4R,5R,6R)-3-HYDROXY-2-(HYDROXYMETHYL)-5-((R)-3-HYDROXYTETRADECANAMIDO)-6-(PHOSPHONOOXY)TETRAHYDRO-2H-PYRAN-4-YL) 3-HYDROXYTETRADECANOATE × 2 DAO LAURIC ACID × 2 MYR MYRISTIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;293 K;18% PEG3350, 0.2M sodium tartrate, 0.1M Bis-Tris propane, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.48 Å R-free 0.267

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.

9 other PDB entries and 14 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LY96_MOUSE
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–144; UniProt 17–160 Author chain D; PDBConstruct 1–144; UniProt 17–160

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 3vq2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3vq2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3vq2
Deposition date deposition_date2012-03-17
Structure title titleCrystal structure of mouse TLR4/MD-2/LPS complex
Keywords keywordsLeucine rich repeat MD-2 related lipid recognition, receptor innate immunity, lipid binding, glycosylation, secreted, 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_guinier40.06
Radius of gyration Rg (electron density) rg_electron39.63
Forward intensity I(0) i0392662000.00
Molecular weight molecular_weight167710.0 kDa
Excluded volume excluded_volume212320 ų
Envelope volume envelope_volume281010 ų
Hydration-shell volume shell_volume59844 ų
Envelope diameter envelope_diameter143.0
Shell Rg shell_rg44.74
Envelope Rg envelope_rg39.28
Shape Rg shape_rg39.66
Total Rg total_rg39.85
Total atoms total_atoms11798
Residues n_residues1432
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_real40.10
Rg uncertainty (real space) rg_real_error1.05
I(0) (real space) i0_real3.9270e+08
I(0) uncertainty (real space) i0_real_error7.6080e+06
Rg (reciprocal space) rg_reciprocal40.06
I(0) (reciprocal space) i0_reciprocal392600000.0000
Solution quality estimate total_estimate0.6310
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary50.7
Skewness Skewness skewness0.421
Kurtosis Kurtosis kurtosis-0.102
Angular range angular_range— – 0.1950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha46040000.0000
Real-space data points n_real_points40
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.839; Stabil: 1.000; Sysdev: 0.025; Positv: 1.000; Valcen: 0.996; Smooth: 0.610

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id3vq2A00
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
Domain ID domain_id3vq2B00
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
Domain ID domain_id3vq2C00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily770
Domain ID domain_id3vq2D00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily770

8. Citations (1)

9. Files and Curves (10)