3qf2

Crystal structure of NALP3 PYD

Method: X-RAY DIFFRACTION Dmax: 73.7 Å Quality: GOOD

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

NACHT, LRR and PYD domains-containing protein 3

Homo sapiens

UniProt Q96P20

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 3–112 Fragment:PYD domain, DAPIN domain, residues 3-112 No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;298 K;0.2M ammonium citrate, 0.1M sodium acetate pH4.6, 30% PEG MME 2000, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.70 Å R-free 0.235
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 3–112 Fragment:PYD domain, DAPIN domain, residues 3-112 No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;298 K;0.2M ammonium citrate, 0.1M sodium acetate pH4.6, 30% PEG MME 2000, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 1.70 Å R-free 0.235

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.

23 other PDB entries and 23 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NALP3_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–110; UniProt 3–112 Author chain B; PDBConstruct 1–110; UniProt 3–112

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 3qf2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3qf2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3qf2
Deposition date deposition_date2011-01-21
Structure title titleCrystal structure of NALP3 PYD
Keywords keywordsSix helix bundle, Apoptosis; APOPTOSIS
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.27
Radius of gyration Rg (electron density) rg_electron20.45
Forward intensity I(0) i09560830.00
Molecular weight molecular_weight22853.0 kDa
Excluded volume excluded_volume28575 ų
Envelope volume envelope_volume34760 ų
Hydration-shell volume shell_volume15220 ų
Envelope diameter envelope_diameter73.8
Shell Rg shell_rg25.38
Envelope Rg envelope_rg20.79
Shape Rg shape_rg20.45
Total Rg total_rg21.22
Total atoms total_atoms1606
Residues n_residues196
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 dmax73.7
Rg (real space) rg_real21.43
Rg uncertainty (real space) rg_real_error0.61
I(0) (real space) i0_real9.5610e+06
I(0) uncertainty (real space) i0_real_error1.1640e+05
Rg (reciprocal space) rg_reciprocal21.40
I(0) (reciprocal space) i0_reciprocal9561000.0000
Solution quality estimate total_estimate0.8112
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.5
Skewness Skewness skewness0.483
Kurtosis Kurtosis kurtosis-0.434
Angular range angular_range— – 0.3750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3838000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.614; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.710; Smooth: 0.989

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3qf2a_
Class classa — All alpha proteins
Fold Fold folda.77 — DEATH domain
Superfamily Superfamily superfamilya.77.1 — DEATH domain
Family Family familya.77.1.0 — automated matches
Domain ID domain_idd3qf2b_
Class classa — All alpha proteins
Fold Fold folda.77 — DEATH domain
Superfamily Superfamily superfamilya.77.1 — DEATH domain
Family Family familya.77.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id3qf2A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology533 — Death Domain, Fas
Homologous superfamily homologous superfamily10 — Death Domain, Fas
Domain ID domain_id3qf2B00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology533 — Death Domain, Fas
Homologous superfamily homologous superfamily10 — Death Domain, Fas

8. Citations (1)

9. Files and Curves (10)