Structural basis for the PufX-mediated dimerization of bacterial photosynthetic core complexes.
by single particle reconstruction, at 12 A resolution

#1: Surface view with section colored by density value, Surface level: 0.0095, Made by UCSF CHIMERA
#2: Surface view colored by cylindrical radius, Surface level: 0.0095, Made by UCSF CHIMERA
Entry | |
| Summary | |
| Database / ID | EM DATA BANK (EMDB) / 1356 |
|---|---|
| Title | Structural basis for the PufX-mediated dimerization of bacterial photosynthetic core complexes. |
| Map | 3D map file of Rhobacter veldkampii LH1-RC obtained by cryoEM and low-pass filtered at a resolution of 11 angstroems |
| Sample | Core complex of Rhodobacter veldkampii |
| Authors | Busselez J, Cottevieille M, Cuniasse P, Boisset N, Levy D |
| Date | Deposition: 2007-04-27, Header release: 2007-05-03, Map release: 2008-01-07, Last update: 2011-05-26 |
| EMDB Sites | EMDB @PDBe (EU), EMDB @RCSB (USA) |
| Structure Visualization | |
| Movies | Movie Page#1: Surface view with section colored by density value, Surface level: 0.0095, Made by UCSF CHIMERA #2: Surface view colored by cylindrical radius, Surface level: 0.0095, Made by UCSF CHIMERA |
| Supplemental images | |
| Structure viewers | Yorodumi, Launch PeppeR (About PeppeR), Volume viewer (RCSB, PDBe) |
| Related Structure Data | |
| Similar strucutres (beta) |
List of similar structure data about Omokage system |
Article | |
| Citation - Primary | |
| Article | Structure, Vol. 15, Issue 12, Page 1674-83, Year 2007 |
|---|---|
| Title | Structural basis for the PufX-mediated dimerization of bacterial photosynthetic core complexes. |
| Authors | Johan Busselez, Magali Cottevieille, Philippe Cuniasse, Francesca Gubellini, Nicolas Boisset, Daniel Lévy Institut Curie, UMR-CNRS 168, 11 rue Pierre et Marie Curie, F-75231 Paris Cedex 05, France. |
| Keywords | Amino Acid Sequence, Bacterial Proteins (chemistry), Cryoelectron Microscopy, Dimerization, Models, Molecular, Molecular Sequence Data, Photosynthesis, Protein Conformation, Rhodobacter sphaeroides (chemistry), Sequence Homology, Amino Acid |
| Links | PII: S0969-2126(07)00418-2, DOI: 10.1016/j.str.2007.09.026, PubMed: 18073116 |
Map | |||||||||||||||||||||||||
| File | EMD-1356.map ( map file in CCP4 format, 6244 KB ) | ||||||||||||||||||||||||
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| Projections & Slices | Size of images:
Images are generated by Spider package. | ||||||||||||||||||||||||
| Density |
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| Data Type | float (32-bit) | ||||||||||||||||||||||||
| Space Group Number | 1 | ||||||||||||||||||||||||
| Map Geometry |
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| Unit Cell | A= B= C: 226.2 A Alpha=beta=gamma: 90 degrees | ||||||||||||||||||||||||
| Pixel Spacing | X= Y= Z: 1.95 A | ||||||||||||||||||||||||
| CCP4 map header info | |||||||||||||||||||||||||
| Annotation Details | 3D map file of Rhobacter veldkampii LH1-RC obtained by cryoEM and low-pass filtered at a resolution of 11 angstroems | ||||||||||||||||||||||||
Supplement | |
| Images | |
| Images | |
|---|---|
| FSC | |
| FSC | ![]() |
| Others | |
| Image | File: FSC_graph_emd_1356.tif |
Sample | |
| Name | Core complex of Rhodobacter veldkampii |
|---|---|
| Oligomeric State | monomers |
| Number of Components | 1 |
| Theoretical Mass | 0.3MDa |
| Component #1: protein - LH1-RC of Rba. veldkampii | |
| Scientific name | core complex of Rba. veldkampii |
| Common Name | LH1-RC of Rba. veldkampii |
| Experimental Mass | 0.3 MDa |
| Oligomeric Details | Monomer |
| Number of Copies | 1 |
| Scientific Name of Species | Rhodobacter veldkampii |
| NCBI taxonomy | 33049 |
| Strain | DSM 11550 |
| Recombinant expression | No |
Experiment | |
| Sample Preparation | |
| Specimen Conc | 1.5 mg/ml |
|---|---|
| Staining | CRYOEM : 4 microL were applied on a Lacey Formwar grid. |
| Specimen State | particle |
| Buffer | Details: Glycine-glycine 50 mM, NaCl 200 mM, DOTM 0.1 % pH: 7.6 |
| Vitrification | |
| Cryogen Name | ETHANE |
| Temperature | 93 Kelvin |
| Instrument | HOMEMADE PLUNGER |
| Method | Manual single-sided blotting |
| Details | Vitrification instrument: manual plunger |
| Imaging | |
| Microscope | JEOL 2010F |
| Date | 2005-06-01 |
| Details | low-dose illumination |
| Electron Gun | |
| Electron Source | FIELD EMISSION GUN |
| Accelerating Voltage | 200 kV |
| Electron Dose | 10 e/A**2 |
| Illumination Mode | FLOOD BEAM |
| Lens | |
| Magnification | Nominal: 45000, Calibrated: 45000 |
| Nominal Cs | 2 mm |
| Imaging Mode | BRIGHT FIELD |
| Defocus | 1870 nm - 3460 nm |
| Specimen Holder | |
| Holder | Gatan |
| Model | GATAN LIQUID NITROGEN |
| Tilt Angle | 0 degrees - 0 degrees |
| Temperature | K ( 93 - 94 K) |
| Camera | |
| Detector | Kodak SO163 film |
| Image Acquisition | |
| Number of Digital Images | 74 |
| Quant Bit Number | 8 |
| Scanner | OTHER |
| Details | Scanner model : Nikon Coolscan 8000ED |
Processing | |
| Method | single particle reconstruction |
|---|---|
| 3D reconstruction | |
| Algorithm | projection matching |
| Software | SPIDER |
| CTF Correction | Wiener filtration on volumes |
| Resolution By Author | ![]() 12 A
|
| Resolution Method | FSC at 0.5 cut-off |
| Single Particle | |
| Number of Projections | 27000 |
| Details | Particles were semi-automatically selected using Boxer algorithm of EMAN software |
Download | |||
| Data from EMDB | |||
| Header (meta data in XML format) | emd-1356.xml (7.6 KB) | ||
|---|---|---|---|
| Map data | emd_1356.map.gz (5.6 MB) | ||
| Images | EMD-1356.png (148.4 KB) | ||
| FSC (resolution estimation) | emd_1356_fsc.xml (4.3 KB) | ||
| Others | FSC_graph_emd_1356.tif (145.2 KB) | ||
| FTP directory | ftp://ftp.pdbj.org/pub/emdb/structures/EMD-1356 | ||
| Movie files | |||
| movie #1 |
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| movie #2 |
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