1m06

Structural Studies of Bacteriophage alpha3 Assembly, X-Ray Crystallography

Method: X-RAY DIFFRACTION Dmax: 104.5 Å Quality: GOOD

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

Capsid Protein

Enterobacteria phage alpha3

UniProt P08767

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–DNA Heteromer Protein × 180 DNA 60 PDB declaration: 240-MERIC(240) Consistent with all polymer counts Chain F; UniProt 1–431 Not recorded Major spike protein × 60 (P31281) Small core protein × 60 (P08766) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 60 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
2 Protein–DNA Heteromer Protein × 3 DNA 1 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain F; UniProt 1–431 Not recorded Major spike protein × 1 (P31281) Small core protein × 1 (P08766) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
3 Protein–DNA Heteromer Protein × 15 DNA 5 PDB declaration: eicosameric(20) Consistent with all polymer counts Chain F; UniProt 1–431 Not recorded Major spike protein × 5 (P31281) Small core protein × 5 (P08766) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
4 Protein–DNA Heteromer Protein × 18 DNA 6 PDB declaration: 24-meric(24) Consistent with all polymer counts Chain F; UniProt 1–431 Not recorded Major spike protein × 6 (P31281) Small core protein × 6 (P08766) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
5 Protein–DNA Heteromer Protein × 3 DNA 1 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain F; UniProt 1–431 Not recorded Major spike protein × 1 (P31281) Small core protein × 1 (P08766) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
6 Protein–DNA Heteromer Protein × 180 DNA 60 PDB declaration: 240-meric(240) Consistent with all polymer counts Chain F; UniProt 1–431 Not recorded Major spike protein × 60 (P31281) Small core protein × 60 (P08766) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 60 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234

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.

2 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name VGF_BPAL3
Isoform
PDB entities 1
Chains and sequence ranges Author chain F; PDBConstruct 1–431; UniProt 1–431

Major spike protein

Enterobacteria phage alpha3

UniProt P31281

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–DNA Heteromer Protein × 180 DNA 60 PDB declaration: 240-MERIC(240) Consistent with all polymer counts Chain G; UniProt 1–187 Not recorded Capsid Protein × 60 (P08767) Small core protein × 60 (P08766) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 60 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
2 Protein–DNA Heteromer Protein × 3 DNA 1 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain G; UniProt 1–187 Not recorded Capsid Protein × 1 (P08767) Small core protein × 1 (P08766) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
3 Protein–DNA Heteromer Protein × 15 DNA 5 PDB declaration: eicosameric(20) Consistent with all polymer counts Chain G; UniProt 1–187 Not recorded Capsid Protein × 5 (P08767) Small core protein × 5 (P08766) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
4 Protein–DNA Heteromer Protein × 18 DNA 6 PDB declaration: 24-meric(24) Consistent with all polymer counts Chain G; UniProt 1–187 Not recorded Capsid Protein × 6 (P08767) Small core protein × 6 (P08766) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
5 Protein–DNA Heteromer Protein × 3 DNA 1 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain G; UniProt 1–187 Not recorded Capsid Protein × 1 (P08767) Small core protein × 1 (P08766) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
6 Protein–DNA Heteromer Protein × 180 DNA 60 PDB declaration: 240-meric(240) Consistent with all polymer counts Chain G; UniProt 1–187 Not recorded Capsid Protein × 60 (P08767) Small core protein × 60 (P08766) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 60 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234

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.

2 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name VGG_BPAL3
Isoform
PDB entities 2
Chains and sequence ranges Author chain G; PDBConstruct 1–187; UniProt 1–187

Small core protein

Enterobacteria phage alpha3

UniProt P08766

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–DNA Heteromer Protein × 180 DNA 60 PDB declaration: 240-MERIC(240) Consistent with all polymer counts Chain J; UniProt 1–24 Not recorded Capsid Protein × 60 (P08767) Major spike protein × 60 (P31281) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 60 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
2 Protein–DNA Heteromer Protein × 3 DNA 1 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain J; UniProt 1–24 Not recorded Capsid Protein × 1 (P08767) Major spike protein × 1 (P31281) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
3 Protein–DNA Heteromer Protein × 15 DNA 5 PDB declaration: eicosameric(20) Consistent with all polymer counts Chain J; UniProt 1–24 Not recorded Capsid Protein × 5 (P08767) Major spike protein × 5 (P31281) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 5 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
4 Protein–DNA Heteromer Protein × 18 DNA 6 PDB declaration: 24-meric(24) Consistent with all polymer counts Chain J; UniProt 1–24 Not recorded Capsid Protein × 6 (P08767) Major spike protein × 6 (P31281) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
5 Protein–DNA Heteromer Protein × 3 DNA 1 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain J; UniProt 1–24 Not recorded Capsid Protein × 1 (P08767) Major spike protein × 1 (P31281) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234
6 Protein–DNA Heteromer Protein × 180 DNA 60 PDB declaration: 240-meric(240) Consistent with all polymer counts Chain J; UniProt 1–24 Not recorded Capsid Protein × 60 (P08767) Major spike protein × 60 (P31281) 5'-D(P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR)P*(3DR))-3' × 60 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5;318.15 K;3-5% PEG8000, 100 mM sodium citrate pH 5.0, 1 mM EDTA, 300 mM NaCl, 0.1 mM-mercapto-ethanol, and 0.02 % sodium azide, VAPOR DIFFUSION, SITTING DROP, temperature 318.15K Resolution 3.50 Å R-free 0.234

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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name VGJ_BPAL3
Isoform
PDB entities 3
Chains and sequence ranges Author chain J; PDBConstruct 1–24; UniProt 1–24

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 1m06

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1m06
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1m06
Deposition date deposition_date2002-06-12
Structure title titleStructural Studies of Bacteriophage alpha3 Assembly, X-Ray Crystallography
Keywords keywords;Bacteriophage, three-dimensional structure, virion, morphogenesis, phiX174, assembly, microviridae, Icosahedral virus, Virus-DNA COMPLEX ;; Virus/DNA
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.17
Radius of gyration Rg (electron density) rg_electron30.83
Forward intensity I(0) i089569900.00
Molecular weight molecular_weight72507.0 kDa
Excluded volume excluded_volume89740 ų
Envelope volume envelope_volume119570 ų
Hydration-shell volume shell_volume33611 ų
Envelope diameter envelope_diameter111.0
Shell Rg shell_rg36.19
Envelope Rg envelope_rg31.38
Shape Rg shape_rg30.78
Total Rg total_rg31.47
Total atoms total_atoms5093
Residues n_residues633
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 dmax104.5
Rg (real space) rg_real31.27
Rg uncertainty (real space) rg_real_error0.89
I(0) (real space) i0_real8.9570e+07
I(0) uncertainty (real space) i0_real_error1.4170e+06
Rg (reciprocal space) rg_reciprocal31.23
I(0) (reciprocal space) i0_reciprocal89570000.0000
Solution quality estimate total_estimate0.8786
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.7
Skewness Skewness skewness0.404
Kurtosis Kurtosis kurtosis-0.359
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha12850000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.862; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.913; Smooth: 0.918

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_idd1m06f_
Class classb — All beta proteins
Fold Fold foldb.121 — Nucleoplasmin-like/VP (viral coat and capsid proteins)
Superfamily Superfamily superfamilyb.121.5 — ssDNA viruses
Family Family familyb.121.5.1 — Microviridae-like VP
Domain ID domain_idd1m06g_
Class classb — All beta proteins
Fold Fold foldb.121 — Nucleoplasmin-like/VP (viral coat and capsid proteins)
Superfamily Superfamily superfamilyb.121.5 — ssDNA viruses
Family Family familyb.121.5.1 — Microviridae-like VP

CATH v4.4 (2 domains)

Domain ID domain_id1m06F00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology169 — Bacteriophage G4 Capsid Proteins Gpf, Gpg, Gpj, subunit 1
Homologous superfamily homologous superfamily10 — Microviridae F protein
Domain ID domain_id1m06G00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily20

8. Citations (1)

9. Files and Curves (10)