1a34

SATELLITE TOBACCO MOSAIC VIRUS/RNA COMPLEX

Method: X-RAY DIFFRACTION Dmax: 80.2 Å Quality: GOOD

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

SATELLITE TOBACCO MOSAIC VIRUS

Satellite Tobacco Mosaic Virus

UniProt P17574

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–RNA Homooligomer Protein × 60 RNA 120 PDB declaration: 180-MERIC(180) Consistent with all polymer counts Chain A; UniProt 1–159 Not recorded ;RNA (5'-R(P*AP*AP*AP*AP*AP*AP*AP*AP*AP*A)-3') ; × 60 ;RNA (5'-R(P*UP*UP*UP*UP*UP*UP*UP*UP*UP*U)-3') ; × 60 SO4 SULFATE ION × 60 U5P URIDINE-5'-MONOPHOSPHATE × 60 X-RAY DIFFRACTION X-ray crystallization conditions:liquid diffusion in microgravity;pH 6.5;PROTEIN WAS FOUR TIMES RECRYSTALLIZED FROM BULK SOLUTION BY ADDITION AF AMMONIUM SULFATE TO 15% SATURATION. SPACE CRYSTALS WERE GROWN BY LIQUID-LIQUID DIFFUSION IN A MICROGRAVITY ENVIRONMENT OVER 12 DAYS ABOARD IML-I MISSION OF THE US SPACE SHUTTLE., pH 6.50, liquid diffusion in microgravity Resolution 1.81 Å R-free 0.184
2 Protein–RNA Monomer Protein × 1 RNA 2 PDB declaration: trimeric(3) Consistent with all polymer counts Chain A; UniProt 1–159 Not recorded ;RNA (5'-R(P*AP*AP*AP*AP*AP*AP*AP*AP*AP*A)-3') ; × 1 ;RNA (5'-R(P*UP*UP*UP*UP*UP*UP*UP*UP*UP*U)-3') ; × 1 SO4 SULFATE ION × 1 U5P URIDINE-5'-MONOPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:liquid diffusion in microgravity;pH 6.5;PROTEIN WAS FOUR TIMES RECRYSTALLIZED FROM BULK SOLUTION BY ADDITION AF AMMONIUM SULFATE TO 15% SATURATION. SPACE CRYSTALS WERE GROWN BY LIQUID-LIQUID DIFFUSION IN A MICROGRAVITY ENVIRONMENT OVER 12 DAYS ABOARD IML-I MISSION OF THE US SPACE SHUTTLE., pH 6.50, liquid diffusion in microgravity Resolution 1.81 Å R-free 0.184
3 Protein–RNA Homooligomer Protein × 5 RNA 10 PDB declaration: pentadecameric(15) Consistent with all polymer counts Chain A; UniProt 1–159 Not recorded ;RNA (5'-R(P*AP*AP*AP*AP*AP*AP*AP*AP*AP*A)-3') ; × 5 ;RNA (5'-R(P*UP*UP*UP*UP*UP*UP*UP*UP*UP*U)-3') ; × 5 SO4 SULFATE ION × 5 U5P URIDINE-5'-MONOPHOSPHATE × 5 X-RAY DIFFRACTION X-ray crystallization conditions:liquid diffusion in microgravity;pH 6.5;PROTEIN WAS FOUR TIMES RECRYSTALLIZED FROM BULK SOLUTION BY ADDITION AF AMMONIUM SULFATE TO 15% SATURATION. SPACE CRYSTALS WERE GROWN BY LIQUID-LIQUID DIFFUSION IN A MICROGRAVITY ENVIRONMENT OVER 12 DAYS ABOARD IML-I MISSION OF THE US SPACE SHUTTLE., pH 6.50, liquid diffusion in microgravity Resolution 1.81 Å R-free 0.184
4 Protein–RNA Homooligomer Protein × 6 RNA 12 PDB declaration: octadecameric(18) Consistent with all polymer counts Chain A; UniProt 1–159 Not recorded ;RNA (5'-R(P*AP*AP*AP*AP*AP*AP*AP*AP*AP*A)-3') ; × 6 ;RNA (5'-R(P*UP*UP*UP*UP*UP*UP*UP*UP*UP*U)-3') ; × 6 SO4 SULFATE ION × 6 U5P URIDINE-5'-MONOPHOSPHATE × 6 X-RAY DIFFRACTION X-ray crystallization conditions:liquid diffusion in microgravity;pH 6.5;PROTEIN WAS FOUR TIMES RECRYSTALLIZED FROM BULK SOLUTION BY ADDITION AF AMMONIUM SULFATE TO 15% SATURATION. SPACE CRYSTALS WERE GROWN BY LIQUID-LIQUID DIFFUSION IN A MICROGRAVITY ENVIRONMENT OVER 12 DAYS ABOARD IML-I MISSION OF THE US SPACE SHUTTLE., pH 6.50, liquid diffusion in microgravity Resolution 1.81 Å R-free 0.184
5 Protein–RNA Monomer Protein × 1 RNA 2 PDB declaration: trimeric(3) Consistent with all polymer counts Chain A; UniProt 1–159 Not recorded ;RNA (5'-R(P*AP*AP*AP*AP*AP*AP*AP*AP*AP*A)-3') ; × 1 ;RNA (5'-R(P*UP*UP*UP*UP*UP*UP*UP*UP*UP*U)-3') ; × 1 SO4 SULFATE ION × 1 U5P URIDINE-5'-MONOPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:liquid diffusion in microgravity;pH 6.5;PROTEIN WAS FOUR TIMES RECRYSTALLIZED FROM BULK SOLUTION BY ADDITION AF AMMONIUM SULFATE TO 15% SATURATION. SPACE CRYSTALS WERE GROWN BY LIQUID-LIQUID DIFFUSION IN A MICROGRAVITY ENVIRONMENT OVER 12 DAYS ABOARD IML-I MISSION OF THE US SPACE SHUTTLE., pH 6.50, liquid diffusion in microgravity Resolution 1.81 Å R-free 0.184
6 Protein–RNA Homooligomer Protein × 15 RNA 30 PDB declaration: 45-meric(45) Consistent with all polymer counts Chain A; UniProt 1–159 Not recorded ;RNA (5'-R(P*AP*AP*AP*AP*AP*AP*AP*AP*AP*A)-3') ; × 15 ;RNA (5'-R(P*UP*UP*UP*UP*UP*UP*UP*UP*UP*U)-3') ; × 15 SO4 SULFATE ION × 15 U5P URIDINE-5'-MONOPHOSPHATE × 15 X-RAY DIFFRACTION X-ray crystallization conditions:liquid diffusion in microgravity;pH 6.5;PROTEIN WAS FOUR TIMES RECRYSTALLIZED FROM BULK SOLUTION BY ADDITION AF AMMONIUM SULFATE TO 15% SATURATION. SPACE CRYSTALS WERE GROWN BY LIQUID-LIQUID DIFFUSION IN A MICROGRAVITY ENVIRONMENT OVER 12 DAYS ABOARD IML-I MISSION OF THE US SPACE SHUTTLE., pH 6.50, liquid diffusion in microgravity Resolution 1.81 Å R-free 0.184

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.

13 other PDB entries and 21 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name COAT_STMV
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–159; UniProt 1–159

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 1a34

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1a34
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1a34
Deposition date deposition_date1998-01-28
Structure title titleSATELLITE TOBACCO MOSAIC VIRUS/RNA COMPLEX
Keywords keywords;WATER STRUCTURE, RNA, VIRUS ASSEMBLY, MACROMOLECULAR INTERACTIONS, SATELLITE TOBACCO MOSAIC VIRUS, Icosahedral virus, Virus-RNA COMPLEX ;; Virus/RNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.34
Radius of gyration Rg (electron density) rg_electron21.02
Forward intensity I(0) i014037600.00
Molecular weight molecular_weight22894.0 kDa
Excluded volume excluded_volume26411 ų
Envelope volume envelope_volume37140 ų
Hydration-shell volume shell_volume15915 ų
Envelope diameter envelope_diameter80.5
Shell Rg shell_rg25.99
Envelope Rg envelope_rg21.91
Shape Rg shape_rg20.98
Total Rg total_rg21.79
Total atoms total_atoms2924
Residues n_residues167
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 dmax80.2
Rg (real space) rg_real21.52
Rg uncertainty (real space) rg_real_error0.87
I(0) (real space) i0_real1.4040e+07
I(0) uncertainty (real space) i0_real_error1.9980e+05
Rg (reciprocal space) rg_reciprocal21.49
I(0) (reciprocal space) i0_reciprocal14040000.0000
Solution quality estimate total_estimate0.7958
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.1
Skewness Skewness skewness0.538
Kurtosis Kurtosis kurtosis-0.120
Angular range angular_range— – 0.3700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2837000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.603; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.534; Smooth: 1.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1a34a_
Class classb — All beta proteins
Fold Fold foldb.121 — Nucleoplasmin-like/VP (viral coat and capsid proteins)
Superfamily Superfamily superfamilyb.121.7 — Satellite viruses
Family Family familyb.121.7.1 — Satellite viruses

CATH v4.4 (1 domains)

Domain ID domain_id1a34A00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily220 — Satellite virus coat domain

8. Citations (5)

9. Files and Curves (10)