Human Parvovirus B19 (empty wildtype particle)
by single particle (icosahedral) reconstruction, at 11.3 A resolution

#1: Surface view with section colored by density value, Surface level: 18, Made by UCSF CHIMERA
#2: Surface view colored by radius, Surface level: 18, Made by UCSF CHIMERA
Entry | |
| Summary | |
| Database / ID | EM DATA BANK (EMDB) / 1467 |
|---|---|
| Title | Human Parvovirus B19 (empty wildtype particle) |
| Map | Human Parvovirus B19 (eB19, empty wildtype particle) |
| Sample | Human Parvovirus B19 (empty wildtype particle) |
| Keywords | icosahedral, empty viral particle, B19 |
| Authors | Kaufmann B, Chipman PR, Modrow S, Rossmann MG |
| Date | Deposition: 2008-02-05, Header release: 2008-02-07, Map release: 2009-03-31, Last update: 2009-03-31 |
| EMDB Sites | EMDB @PDBe (EU), EMDB @RCSB (USA) |
| Structure Visualization | |
| Movies | Movie Page#1: Surface view with section colored by density value, Surface level: 18, Made by UCSF CHIMERA #2: Surface view colored by radius, Surface level: 18, Made by UCSF CHIMERA |
| Supplemental images | |
| Structure viewers | Yorodumi, Launch PeppeR (About PeppeR), Volume viewer (RCSB, PDBe) |
| Related Structure Data | |
| Related Entries |
Cite: data citing same article |
| Similar strucutres (beta) |
List of similar structure data about Omokage system |
Article | |
| Citation - Primary | |
| Article | J. Virol., Vol. 82, Issue 15, Page 7306-12, Year 2008 |
|---|---|
| Title | Visualization of the externalized VP2 N termini of infectious human parvovirus B19. |
| Authors | Bärbel Kaufmann, Paul R Chipman, Victor A Kostyuchenko, Susanne Modrow, Michael G Rossmann Department of Biological Sciences, Purdue University, 915 West State Street, West Lafayette, IN 47907-2054, USA. |
| Keywords | Capsid Proteins (chemistry), Cryoelectron Microscopy, Humans, Models, Molecular, Parvovirus B19, Human (chemistry), Protein Conformation, Virion (chemistry), capsid protein VP1, parvovirus B19, capsid protein VP2, parvovirus B19 |
| Links | DOI: 10.1128/JVI.00512-08, PubMed: 18508892, PMC: PMC2493345 |
Map | |||||||||||||||||||||||||
| File | EMD-1467.map ( map file in CCP4 format, 5472 KB ) | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Projections & Slices | Size of images:
Images are generated by Spider package. | ||||||||||||||||||||||||
| Density |
| ||||||||||||||||||||||||
| Data Type | Image stored as Reals | ||||||||||||||||||||||||
| Space Group Number | 1 | ||||||||||||||||||||||||
| Map Geometry |
| ||||||||||||||||||||||||
| Unit Cell | A= B= C: 312.63 A Alpha=beta=gamma: 90 degrees | ||||||||||||||||||||||||
| Pixel Spacing | X= Y= Z: 2.81649 A | ||||||||||||||||||||||||
| CCP4 map header info | |||||||||||||||||||||||||
| Annotation Details | Human Parvovirus B19 (eB19, empty wildtype particle) | ||||||||||||||||||||||||
Supplement | |
| Images | |
| Images | |
|---|---|
Sample | |
| Name | Human Parvovirus B19 (empty wildtype particle) |
|---|---|
| Number of Components | 1 |
| Oligomeric State | 60 VP subunits form icosahedral protein shell |
| Theoretical Mass | 3.6MDa |
| Details | icosahedral, empty viral particle, non-enveloped protein shell |
| Component #1: virus - Human Parvovirus B19 | |
| Scientific name | Human parvovirus B19 |
| Common Name | Human Parvovirus B19 |
| Theoretical Mass | 3.6 MDa |
| Details | empty wildtype particles purified from human plasma, no ssDNA genome encapsidated |
| Scientific Name of Species | Human parvovirus B19 |
| Common Name of Species | Human Parvovirus B19 |
| NCBI taxonomy | 10798 |
| Empty | Yes |
| Enveloped | No |
| Isolate | SPECIES |
| Class | OTHER |
| Natural Source | NCBI taxonomy: 9606 Host Species: Homo sapiens Host Category: VERTEBRATES |
| Shell | Id: 1 , Diameter: 260 A, T Number: 1 |
Experiment | |
| Sample Preparation | |
| Specimen Conc | 1 mg/ml |
|---|---|
| Specimen Support Details | 400 mesh copper |
| Specimen State | particle |
| Buffer | Details: 25mM Tris-HCl pH: 7.5 |
| Vitrification | |
| Method | A small vial of ethane is placed inside a larger liquid nitrogen reservoir. The grid holding a few microliters of the sample is held in place at the bottom of a plunger by the means of fine tweezers. Once the ethane in the vial is completely frozen, it needs to be slightly melted. When the liquid ethane is ready, a piece of filter paper is then pressed against the sample to blot of excess buffer, sufficient to leave a thin layer on the grid. After a predetermined time, the filter paper is removed, and the plunger is allowed to drop into the liquid ethane. Once the grid enters the liquid ethane, the sample is rapidly frozen, and the grid is transferred under liquid nitrogen to a storage box immersed liquid nitrogen for later use in the microscope. |
| Cryogen Name | ETHANE |
| Details | Vitrification instrument: guillotine-style plunge freezing device |
| Instrument | HOMEMADE PLUNGER |
| Imaging | |
| Microscope | FEI/PHILIPS CM300FEG/T |
| Details | low dose |
| Electron Gun | |
| Electron Source | FIELD EMISSION GUN |
| Accelerating Voltage | 300 kV |
| Electron Dose | 22 e/A**2 |
| Illumination Mode | FLOOD BEAM |
| Lens | |
| Magnification | Nominal: 45000, Calibrated: 47000 |
| Astigmatism | live FFT at 200K |
| Nominal Cs | 2 mm |
| Imaging Mode | BRIGHT FIELD |
| Defocus | 1250 nm - 3660 nm |
| Specimen Holder | |
| Holder | Eucentric |
| Model | GATAN LIQUID NITROGEN |
| Tilt Angle | 0 degrees - 0 degrees |
| Temperature | 98 K |
| Camera | |
| Detector | KODAK SO163 |
| Image Acquisition | |
| Scanner | ZEISS SCAI |
| Number of Digital Images | 31 |
| Sampling Size | 14 |
| Quant Bit Number | 8 |
Processing | |
| Method | single particle (icosahedral) reconstruction |
|---|---|
| 3D reconstruction | |
| Algorithm | model-based approach using Fourier methods |
| Software | EMPFT, POR, P3DR |
| CTF Correction | each particle |
| Details | final map includes data to 10.5 Ang resolution (fsc 0.3 cut-off), magnification of final map standardized to a map calculated from B19 VP2 VLP model coordinates (PDB accession no 1S58) resulting in final pixel separation of 2.8165Ang |
| Resolution By Author | 11.3 A |
| Resolution Method | FSC at 0.5 cut-off |
| Single Particle | |
| Details | manual particle selection |
| Number of Projections | 1959 |
| Applied Symmetry | I (icosahedral) |
Download | |||
| Data from EMDB | |||
| Header (meta data in XML format) | emd-1467.xml (8.7 KB) | ||
|---|---|---|---|
| Map data | emd_1467.map.gz (2.5 MB) | ||
| Images | 1467.gif (101.6 KB) | ||
| FTP directory | ftp://ftp.pdbj.org/pub/emdb/structures/EMD-1467 | ||
| Movie files | |||
| movie #1 |
| ||
| movie #2 |
| ||