6kpq

Crystal structure of Zika NS2B-NS3 protease with compound 8

Method: X-RAY DIFFRACTION Dmax: 52.7 Å Quality: GOOD

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

Serine protease subunit NS2B

Zika virus

UniProt Q32ZE1

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1414–1464 Not recorded NS3 protease × 1 (A0A142IX72) DT0 1-[(10~{R},17~{S},20~{S})-17,20-bis(4-azanylbutyl)-4,9,16,19,22-pentakis(oxidanylidene)-3,8,15,18,21-pentazabicyclo[22.3.1]octacosa-1(27),24(28),25-trien-10-yl]guanidine × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291.15 K;0.2M Ammonium Sulfate, 0.1M Sodium Acetate Trihydrate pH 4.6, 30% Peg 2000 Resolution 2.62 Å R-free 0.246

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.

263 other PDB entries and 302 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POLG_ZIKV
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–53; UniProt 1414–1464

NS3 protease

Zika virus (strain Mr 766)

UniProt A0A142IX72

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1497–1673 Not recorded Serine protease subunit NS2B × 1 (Q32ZE1) DT0 1-[(10~{R},17~{S},20~{S})-17,20-bis(4-azanylbutyl)-4,9,16,19,22-pentakis(oxidanylidene)-3,8,15,18,21-pentazabicyclo[22.3.1]octacosa-1(27),24(28),25-trien-10-yl]guanidine × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291.15 K;0.2M Ammonium Sulfate, 0.1M Sodium Acetate Trihydrate pH 4.6, 30% Peg 2000 Resolution 2.62 Å R-free 0.246

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.

32 other PDB entries and 58 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A142IX72_ZIKV
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–178; UniProt 1497–1673

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 6kpq

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id6kpq
Deposition date deposition_date2019-08-15
Structure title titleCrystal structure of Zika NS2B-NS3 protease with compound 8
Keywords keywordsViral protease, Protease inhibitor complex, 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_guinier16.87
Radius of gyration Rg (electron density) rg_electron15.64
Forward intensity I(0) i08079460.00
Molecular weight molecular_weight20734.0 kDa
Excluded volume excluded_volume25913 ų
Envelope volume envelope_volume29145 ų
Hydration-shell volume shell_volume15439 ų
Envelope diameter envelope_diameter52.6
Shell Rg shell_rg21.91
Envelope Rg envelope_rg16.04
Shape Rg shape_rg15.61
Total Rg total_rg16.81
Total atoms total_atoms1461
Residues n_residues191
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 dmax52.7
Rg (real space) rg_real16.76
Rg uncertainty (real space) rg_real_error0.21
I(0) (real space) i0_real8.0790e+06
I(0) uncertainty (real space) i0_real_error8.2120e+04
Rg (reciprocal space) rg_reciprocal16.78
I(0) (reciprocal space) i0_reciprocal8080000.0000
Solution quality estimate total_estimate0.8957
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.5
Skewness Skewness skewness0.149
Kurtosis Kurtosis kurtosis-0.401
Angular range angular_range— – 0.4700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2142000.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.890; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.989; Smooth: 0.982

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd6kpqa_
Class classg — Small proteins
Fold Fold foldg.96 — Flavivirus non-structural protein NS2B-like
Superfamily Superfamily superfamilyg.96.1 — Flavivirus non-structural protein NS2B-like
Family Family familyg.96.1.0 — automated matches
Domain ID domain_idd6kpqb_
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.3 — Viral proteases

CATH v4.4 (2 domains)

Domain ID domain_id6kpqB01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily120
Domain ID domain_id6kpqB02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases

8. Citations (1)

9. Files and Curves (10)