3kwg

X-ray structure of NS1 effector domain W187A mutant

Method: X-RAY DIFFRACTION Dmax: 78.0 Å Quality: GOOD

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

Non-structural protein 1

Influenza A virus

UniProt P03495

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 78–205 Fragment:NS1 effector domain Mutation:W187A No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:EVAPORATION;pH 5.5;277 K;0.3M magnesium formate, 0.1M Bis-Tris , pH 5.5, EVAPORATION, temperature 277K Resolution 2.21 Å R-free 0.233
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 78–205 Fragment:NS1 effector domain Mutation:W187A No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:EVAPORATION;pH 5.5;277 K;0.3M magnesium formate, 0.1M Bis-Tris , pH 5.5, EVAPORATION, temperature 277K Resolution 2.21 Å R-free 0.233
3 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 78–205 Chain B; UniProt 78–205 Fragment:NS1 effector domain Mutation:W187A No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:EVAPORATION;pH 5.5;277 K;0.3M magnesium formate, 0.1M Bis-Tris , pH 5.5, EVAPORATION, temperature 277K Resolution 2.21 Å R-free 0.233

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.

6 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NS1_I72A2
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 14–141; UniProt 78–205 Author chain B; PDBConstruct 14–141; UniProt 78–205

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 3kwg

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3kwg
Deposition date deposition_date2009-12-01
Structure title titleX-ray structure of NS1 effector domain W187A mutant
Keywords keywords;influenza, NS1, effector domain, Host cytoplasm, Host nucleus, Host-virus interaction, Interferon antiviral system evasion, RNA-binding, Suppressor of RNA silencing, VIRAL PROTEIN ;; VIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.85
Radius of gyration Rg (electron density) rg_electron22.23
Forward intensity I(0) i013659000.00
Molecular weight molecular_weight28470.0 kDa
Excluded volume excluded_volume35925 ų
Envelope volume envelope_volume44668 ų
Hydration-shell volume shell_volume17412 ų
Envelope diameter envelope_diameter77.3
Shell Rg shell_rg27.95
Envelope Rg envelope_rg22.23
Shape Rg shape_rg22.25
Total Rg total_rg22.99
Total atoms total_atoms1996
Residues n_residues255
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 dmax78.0
Rg (real space) rg_real22.94
Rg uncertainty (real space) rg_real_error0.60
I(0) (real space) i0_real1.3660e+07
I(0) uncertainty (real space) i0_real_error1.8650e+05
Rg (reciprocal space) rg_reciprocal22.92
I(0) (reciprocal space) i0_reciprocal13660000.0000
Solution quality estimate total_estimate0.8627
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.4
Skewness Skewness skewness0.401
Kurtosis Kurtosis kurtosis-0.467
Angular range angular_range— – 0.3500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2766000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.793; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.878; Smooth: 0.954

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd3kwga_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.299 — Ns1 effector domain-like
Superfamily Superfamily superfamilyd.299.1 — Ns1 effector domain-like
Family Family familyd.299.1.1 — Ns1 effector domain-like
Domain ID domain_idd3kwgb1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.299 — Ns1 effector domain-like
Superfamily Superfamily superfamilyd.299.1 — Ns1 effector domain-like
Family Family familyd.299.1.1 — Ns1 effector domain-like
Domain ID domain_idd3kwgb2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id3kwgA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily330 — Influenza virus non-structural protein, effector domain
Domain ID domain_id3kwgB00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily330 — Influenza virus non-structural protein, effector domain

8. Citations (1)

9. Files and Curves (10)