A cryo-EM map of the FimD-tip complex, a bacterial surface pilus assembly intermediate in complex with the outer membrane secretion channel.
by single particle reconstruction, at 23 A resolution

#1: Surface view with section colored by density value, Surface level: 2.33535264, Made by UCSF CHIMERA
#2: Surface view colored by height, Surface level: 2.33535264, Made by UCSF CHIMERA
Entry | |
| Summary | |
| Database / ID | EM DATA BANK (EMDB) / 5009 |
|---|---|
| Title | A cryo-EM map of the FimD-tip complex, a bacterial surface pilus assembly intermediate in complex with the outer membrane secretion channel. |
| Map | 3D Cryo-EM map of FimD-tip complex, a bacterial outer membrane pilus assembly intermediate |
| Sample | FimD-tip complex |
| Keywords | cryo-electron microscopy, bacterial pilus, bacterial outer membrane secretion channel, pilus biogenesis |
| Authors | Tang C, Thanassi D, Li H |
| Date | Deposition: 2008-03-14, Header release: 2008-03-21, Map release: 2009-04-22, Last update: 2009-04-22 |
| EMDB Sites | EMDB @PDBe (EU), EMDB @RCSB (USA) |
| Structure Visualization | |
| Movies | Movie Page#1: Surface view with section colored by density value, Surface level: 2.33535264, Made by UCSF CHIMERA #2: Surface view colored by height, Surface level: 2.33535264, 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 | Cell, Vol. 133, Issue 4, Page 640-52, Year 2008 |
|---|---|
| Title | Fiber formation across the bacterial outer membrane by the chaperone/usher pathway. |
| Authors | Han Remaut, Chunyan Tang, Nadine S Henderson, Jerome S Pinkner, Tao Wang, Scott J Hultgren, David G Thanassi, Gabriel Waksman, Huilin Li Institute of Structural Molecular Biology, University College London and Birkbeck College, Malet Street, London, WC1E 7HX, United Kingdom. |
| Keywords | Amino Acid Sequence, Biosynthetic Pathways, Crystallography, X-Ray, Escherichia coli (chemistry), Escherichia coli Proteins (chemistry), Fimbriae Proteins (chemistry, 147680-16-8), Fimbriae, Bacterial (ultrastructure), Models, Molecular, Molecular Chaperones (metabolism), Molecular Sequence Data, Multiprotein Complexes (chemistry), Porins (chemistry), atpG protein, E coli, fimC protein, E coli, fimD protein, E coli |
| Links | PII: S0092-8674(08)00462-5, DOI: 10.1016/j.cell.2008.03.033, PubMed: 18485872, PMC: PMC3036173 |
Map | |||||||||||||||||||||||||
| File | EMD-5009.map ( map file in CCP4 format, 3540 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: 241.3 A Alpha=beta=gamma: 90 degrees | ||||||||||||||||||||||||
| Pixel Spacing | X= Y= Z: 2.54 A | ||||||||||||||||||||||||
| CCP4 map header info | |||||||||||||||||||||||||
| Annotation Details | 3D Cryo-EM map of FimD-tip complex, a bacterial outer membrane pilus assembly intermediate | ||||||||||||||||||||||||
Supplement |
Sample | |
| Name | FimD-tip complex |
|---|---|
| Number of Components | 5 |
| Oligomeric State | FimD usher dimer in complex with one copy each of FimH, FimF, FimG pilins and FimC chaperone |
| Theoretical Mass | 0.26MDa |
| Details | The sample was monodisperse |
| Experimental Mass | 0.26MDa |
| Component #1: cellular-component - Pilus assembly usher | |
| Scientific name | FimD-tip complex |
| Common Name | Pilus assembly usher |
| Theoretical Mass | 0.096 MDa |
| Experimental Mass | 0.096 MDa |
| Details | This component forms a dimer in the complex |
| Oligomeric Details | Dimer |
| Number of Copies | 1 |
| Scientific Name of Species | Escherichia coli |
| NCBI taxonomy | 562 |
| Recombinant expression | Yes |
| Natural Source | Cell Location: Outer membrane |
| Engineered Source | Vector: Tuner/pAN2 and pNH237 Expression system: Escherichia coli B strain Tuner (Novagen) |
| Links | Gene Ontology: GO:0015473, Inter Pro: IPR:000015 |
Experiment | |
| Sample Preparation | |
| Specimen Conc | 0.04 mg/ml |
|---|---|
| Specimen Support Details | glow-discharged lacey carbon grid |
| Specimen State | particle |
| Buffer | Details: 20 mM Tris-HCl (pH 8), 0.15 M NaCl, 0.05% DDM. pH: 8 |
| Vitrification | |
| Method | 6 seconds blot |
| Cryogen Name | ETHANE |
| Details | Vitrification instrument: Vitrobot. 12 degree Celsius chamber temperature |
| Humidity | 85 |
| Instrument | FEI VITROBOT |
| Temperature | 108 Kelvin |
| Imaging | |
| Microscope | JEOL 2010F |
| Date | 01-Feb-2007 |
| Electron Gun | |
| Electron Source | FIELD EMISSION GUN |
| Accelerating Voltage | 200 kV |
| Electron Dose | 10 e/A**2 |
| Electron Beam Tilt Params | -2 mrad |
| Illumination Mode | FLOOD BEAM |
| Lens | |
| Magnification | Nominal: 50000 |
| Astigmatism | correction at 250,000 mag |
| Nominal Cs | 2 mm |
| Imaging Mode | BRIGHT FIELD |
| Defocus | 3000 nm - 5000 nm |
| Specimen Holder | |
| Holder | Gatan 626 cryo holder |
| Model | GATAN LIQUID NITROGEN |
| Temperature | 103 K ( 100 - 105 K) |
| Camera | |
| Detector | Kodak SO163 |
| Image Acquisition | |
| Od Range | 1.3 |
| Scanner | NIKON SUPER COOLSCAN 9000 |
| Number of Digital Images | 100 |
| Sampling Size | 12.7 |
| Quant Bit Number | 14 |
Processing | |
| Method | single particle reconstruction |
|---|---|
| 3D reconstruction | |
| Algorithm | Cross-common lines |
| Software | EMAN, SPIDER |
| CTF Correction | Each films |
| Resolution By Author | 23 A |
| Resolution Method | FSC at 0.5 cut-off |
| Single Particle | |
| Number of Class Averages | 100 |
| Number of Projections | 11000 |
| Details | particles were manually selected |
| Atomic Model Fitting | |
| Model #0 | |
| Target Criteria | correlation |
| Details | Protocol: Rigid Body. manual docking followed by local correlation based real space fitting in chimera |
| Software | Chimera |
| Refinement Protocol | rigid body |
| Refinement Space | REAL |
| PDB Entry ID | 1QUN |
| PDB Chain ID | 1QUN_A |
Download | |||
| Data from EMDB | |||
| Header (meta data in XML format) | emd-5009.xml (8.6 KB) | ||
|---|---|---|---|
| Map data | emd_5009.map.gz (3 MB) | ||
| FTP directory | ftp://ftp.pdbj.org/pub/emdb/structures/EMD-5009 | ||
| Movie files | |||
| movie #1 |
| ||
| movie #2 |
| ||