1vak

T=1 capsid structure of Sesbania mosaic virus coat protein deletion mutant CP-N(delta)65

Method: X-RAY DIFFRACTION Dmax: 60.7 Å Quality: GOOD

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

coat protein

Sesbania mosaic virus

UniProt Q9EB06

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 homooligomer Homooligomer Protein × 60 PDB declaration: complete icosahedral assembly(60) Consistent with protein copy count Chain A; UniProt 66–268 Fragment:residues 66-268 CA CALCIUM ION × 60 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;PEG 3350, magnesium chloride, isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 3.05 Å R-free 0.214
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 66–268 Fragment:residues 66-268 CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;PEG 3350, magnesium chloride, isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 3.05 Å R-free 0.214
3 Protein homooligomer Homooligomer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 66–268 Fragment:residues 66-268 CA CALCIUM ION × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;PEG 3350, magnesium chloride, isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 3.05 Å R-free 0.214
4 Protein homooligomer Homooligomer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 66–268 Fragment:residues 66-268 CA CALCIUM ION × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;PEG 3350, magnesium chloride, isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 3.05 Å R-free 0.214
5 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 66–268 Fragment:residues 66-268 CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;PEG 3350, magnesium chloride, isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 3.05 Å R-free 0.214
6 Protein homooligomer Homooligomer Protein × 60 PDB declaration: 60-meric(60) Consistent with protein copy count Chain A; UniProt 66–268 Fragment:residues 66-268 CA CALCIUM ION × 60 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;PEG 3350, magnesium chloride, isopropanol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 3.05 Å R-free 0.214

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.

10 other PDB entries and 45 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q9EB06_9VIRU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–203; UniProt 66–268

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 1vak

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1vak
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1vak
Deposition date deposition_date2004-02-18
Structure title titleT=1 capsid structure of Sesbania mosaic virus coat protein deletion mutant CP-N(delta)65
Keywords keywordsT=1 Capsid, SeMV, Icosahedral virus, Virus; VIRUS
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.93
Radius of gyration Rg (electron density) rg_electron16.83
Forward intensity I(0) i07765650.00
Molecular weight molecular_weight20731.0 kDa
Excluded volume excluded_volume26035 ų
Envelope volume envelope_volume29084 ų
Hydration-shell volume shell_volume14897 ų
Envelope diameter envelope_diameter56.6
Shell Rg shell_rg22.32
Envelope Rg envelope_rg17.04
Shape Rg shape_rg16.82
Total Rg total_rg17.80
Total atoms total_atoms1455
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 dmax60.7
Rg (real space) rg_real17.85
Rg uncertainty (real space) rg_real_error0.46
I(0) (real space) i0_real7.7660e+06
I(0) uncertainty (real space) i0_real_error1.0480e+05
Rg (reciprocal space) rg_reciprocal17.86
I(0) (reciprocal space) i0_reciprocal7766000.0000
Solution quality estimate total_estimate0.8047
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary22.1
Skewness Skewness skewness0.199
Kurtosis Kurtosis kurtosis-0.455
Angular range angular_range— – 0.4450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1434000.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.822; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1vaka_
Class classb — All beta proteins
Fold Fold foldb.121 — Nucleoplasmin-like/VP (viral coat and capsid proteins)
Superfamily Superfamily superfamilyb.121.4 — Positive stranded ssRNA viruses
Family Family familyb.121.4.7 — Tombusviridae-like VP

CATH v4.4 (1 domains)

Domain ID domain_id1vakA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily20

8. Citations (1)

9. Files and Curves (10)