6b5b

Cryo-EM structure of the NAIP5-NLRC4-flagellin inflammasome

Method: ELECTRON MICROSCOPY Dmax: 212.9 Å Quality: REASONABLE

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

Baculoviral IAP repeat-containing protein 1e

Mus musculus

UniProt Q9R016

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 heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–1403 Not recorded NLR family CARD domain-containing protein 4 × 2 (Q3UP24) Flagellin × 1 (G8UUW9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.6 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 5.20 Å

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.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BIR1E_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1403; UniProt 1–1403

NLR family CARD domain-containing protein 4

Mus musculus

UniProt Q3UP24

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 heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 1–1024 Chain C; UniProt 1–1024 Not recorded Baculoviral IAP repeat-containing protein 1e × 1 (Q9R016) Flagellin × 1 (G8UUW9) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.6 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 5.20 Å

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.

3 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NLRC4_MOUSE
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–1024; UniProt 1–1024 Author chain C; PDBConstruct 1–1024; UniProt 1–1024

Flagellin

Legionella pneumophila

UniProt G8UUW9

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 heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain F; UniProt 2–475 Not recorded Baculoviral IAP repeat-containing protein 1e × 1 (Q9R016) NLR family CARD domain-containing protein 4 × 2 (Q3UP24) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.6 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 5.20 Å

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 G8UUW9_LEGPN
Isoform
PDB entities 3
Chains and sequence ranges Author chain F; PDBConstruct 93–566; UniProt 2–475

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 6b5b

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6b5b
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6b5b
Deposition date deposition_date2017-09-29
Structure title titleCryo-EM structure of the NAIP5-NLRC4-flagellin inflammasome
Keywords keywordsInnate immunity, molecular complex, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier60.84
Radius of gyration Rg (electron density) rg_electron61.13
Forward intensity I(0) i01659790000.00
Molecular weight molecular_weight349230.0 kDa
Excluded volume excluded_volume440130 ų
Envelope volume envelope_volume687310 ų
Hydration-shell volume shell_volume96817 ų
Envelope diameter envelope_diameter205.8
Shell Rg shell_rg59.84
Envelope Rg envelope_rg59.64
Shape Rg shape_rg61.11
Total Rg total_rg61.16
Total atoms total_atoms24555
Residues n_residues3073
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 dmax212.9
Rg (real space) rg_real61.09
Rg uncertainty (real space) rg_real_error2.58
I(0) (real space) i0_real1.6600e+09
I(0) uncertainty (real space) i0_real_error3.8360e+07
Rg (reciprocal space) rg_reciprocal60.60
I(0) (reciprocal space) i0_reciprocal1658000000.0000
Solution quality estimate total_estimate0.6237
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary65.5
Skewness Skewness skewness0.398
Kurtosis Kurtosis kurtosis-0.347
Angular range angular_range— – 0.1300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha119000000.0000
Real-space data points n_real_points27
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.843; Stabil: 1.000; Sysdev: 0.001; Positv: 1.000; Valcen: 1.000; Smooth: 0.570

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)