7p27

NMR solution structure of Chikungunya virus macro domain

Method: SOLUTION NMR Dmax: 45.1 Å Quality: GOOD

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

Polyprotein P1234

Chikungunya virus (strain S27-African prototype)

UniProt Q8JUX6

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 1334–1493 Not recorded No other associated polymer SOLUTION NMR NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 20;Pressure 1 NMR sample composition:0.6 mM [U-99% 15N] Chikungunya virus macro domain, 20 mM no sodium chloride, 10 mM no HEPES, 2 mM no DTT, 2 mM no EDTA, 0.25 mM no DSS, 10 % no D2O, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:0.6 mM [U-99% 13C; U-99% 15N] Chikungunya virus macro domain, 20 mM no sodium chloride, 10 mM no HEPES, 2 mM no DTT, 2 mM no EDTA, 0.25 mM no DSS, 10 % no D2O, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition:0.3 mM no Chikungunya virus macro domain, 20 mM no sodium chloride, 2 mM no HEPES, 2 mM no DTT, 2 mM no EDTA, 0.25 mM no DSS, 10 % no D2O, 90% H2O/10% D2O | 90% H2O/10% D2O Resolution not provided

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.

163 other PDB entries and 604 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POLN_CHIKS
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 9–168; UniProt 1334–1493

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 7p27

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7p27
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7p27
Deposition date deposition_date2021-07-04
Structure title titleNMR solution structure of Chikungunya virus macro domain
Keywords keywordsCHIKV, macro domain, viral replication, ADP-ribose, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier15.41
Radius of gyration Rg (electron density) rg_electron15.11
Forward intensity I(0) i01975880000.00
Molecular weight molecular_weight368000.0 kDa
Excluded volume excluded_volume456690 ų
Envelope volume envelope_volume36653 ų
Hydration-shell volume shell_volume18049 ų
Envelope diameter envelope_diameter52.2
Shell Rg shell_rg23.19
Envelope Rg envelope_rg16.80
Shape Rg shape_rg15.08
Total Rg total_rg15.33
Total atoms total_atoms51324
Residues n_residues3360
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 dmax45.1
Rg (real space) rg_real15.28
Rg uncertainty (real space) rg_real_error0.17
I(0) (real space) i0_real1.9760e+09
I(0) uncertainty (real space) i0_real_error1.9870e+07
Rg (reciprocal space) rg_reciprocal15.29
I(0) (reciprocal space) i0_reciprocal1976000000.0000
Solution quality estimate total_estimate0.8288
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.7
Skewness Skewness skewness-0.002
Kurtosis Kurtosis kurtosis-0.512
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha793400.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.934; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.973; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)