The role of the kinesin-13 neck in microtubule depolymerization.
by helical reconstruction, at 20 A resolution

#1: Surface view with section colored by density value, Surface level: 10, Made by UCSF CHIMERA
#2: Surface view colored by cylindrical radius, Surface level: 10, Made by UCSF CHIMERA
Entry | |
| Summary | |
| Database / ID | EM DATA BANK (EMDB) / 1441 |
|---|---|
| Title | The role of the kinesin-13 neck in microtubule depolymerization. |
| Map | A realspace map of kinesin-13-bound, 15 protofilament microtubules, calculated from averaged layer line data using Fourier-Bessel synthesis |
| Sample | Malarial kinesin-13 motor core ADP |
| Authors | Moores CA, Hekmat-Nejad M, Sakowicz R, Milligan RA |
| Date | Deposition: 2007-10-08, Header release: 2007-10-08, Map release: 2007-10-08, Last update: 2013-02-20 |
| EMDB Sites | EMDB @PDBe (EU), EMDB @RCSB (USA) |
| Structure Visualization | |
| Movies | Movie Page#1: Surface view with section colored by density value, Surface level: 10, Made by UCSF CHIMERA #2: Surface view colored by cylindrical radius, Surface level: 10, 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 Cycle, Vol. 5, Issue 16, Page 1812-5, Year 2006 |
|---|---|
| Title | The role of the kinesin-13 neck in microtubule depolymerization. |
| Authors | Carolyn A Moores, Jeremy Cooper, Mike Wagenbach, Yulia Ovechkina, Linda Wordeman, Ronald A Milligan School of Crystallography, Birkbeck College, London, UK. |
| Keywords | Adenosine Triphosphate (chemistry, 56-65-5), Adenylyl Imidodiphosphate (chemistry, 25612-73-1), Cell Division (physiology), Kinesin (chemistry, 3.6.1.-), Microtubules (chemistry), Models, Molecular, Molecular Motor Proteins (chemistry), Peptide Fragments (chemistry), Protein Binding, Protein Conformation, Recombinant Proteins (chemistry), Tubulin (chemistry), mitotic centromere-associated kinesin, hamster |
| Links | PubMed: 16929184 |
Map | |||||||||||||||||||||||||
| File | EMD-1441.map ( map file in CCP4 format, 2979 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: 501.97 A, B: 501.97 A, C: 362.81 A Alpha=beta=gamma: 90 degrees | ||||||||||||||||||||||||
| Pixel Spacing | X= Y= Z: 4.97 A | ||||||||||||||||||||||||
| CCP4 map header info | |||||||||||||||||||||||||
| Annotation Details | A realspace map of kinesin-13-bound, 15 protofilament microtubules, calculated from averaged layer line data using Fourier-Bessel synthesis | ||||||||||||||||||||||||
Supplement | |
| Images | |
| Images | |
|---|---|
Sample | |
| Name | Malarial kinesin-13 motor core ADP |
|---|---|
| Oligomeric State | monomeric kinesin binds to each tubulin dimer |
| Number of Components | 2 |
| Details | Molecular weight of kinesin motor core is 40kD |
| Component #1: protein - pKinI | |
| Scientific name | kinesin-13 motor core |
| Common Name | pKinI |
| Theoretical Mass | 0.04 MDa |
| Experimental Mass | 0.04 MDa |
| Oligomeric Details | monomer |
| Scientific Name of Species | Plasmodium falciparum |
| Common Name of Species | Malaria |
| NCBI taxonomy | 5833 |
| Recombinant expression | Yes |
| Engineered Source | NCBI taxonomy: 562 Expression system: Escherichia coli |
| Component #2: protein - tubulin | |
| Scientific name | tubulin |
| Theoretical Mass | 0.1 MDa |
| Experimental Mass | 0.1 MDa |
| Oligomeric Details | helical polymer |
| Scientific Name of Species | Plasmodium falciparum |
| Common Name of Species | Malaria |
| NCBI taxonomy | 5833 |
| Recombinant expression | No |
| Natural Source | Cell: neurone Cell Location: cytoplasmic Organ Or Tissue: brain |
Experiment | |
| Sample Preparation | |
| Specimen Conc | 3 mg/ml |
|---|---|
| Specimen Support Details | 400 mesh quantifoil grid 2/2 |
| Helical Parameters | Hand: LEFT HANDED |
| Specimen State | filament |
| Buffer | Details: 20mM Pipes, 2mM MgCl2, 1mM EGTA, 1mM DTT,5mM ADP pH: 6.8 |
| Vitrification | |
| Cryogen Name | ETHANE |
| Humidity | 98 |
| Temperature | 277 Kelvin |
| Instrument | HOMEMADE PLUNGER |
| Method | blot for 3-4s before plunging |
| Details | Vitrification instrument: plunger. vitrification performed in humidified cold room |
| Imaging | |
| Microscope | FEI/PHILIPS CM200FEG |
| Date | 2002-08-01 |
| Electron Gun | |
| Electron Source | FIELD EMISSION GUN |
| Accelerating Voltage | 120 kV |
| Electron Dose | 10 e/A**2 |
| Illumination Mode | FLOOD BEAM |
| Lens | |
| Magnification | Nominal: 38000 |
| Astigmatism | objective lens astigmatism was corrected at |
| Nominal Cs | 2 mm |
| Imaging Mode | BRIGHT FIELD |
| Defocus | 950 nm - 2200 nm |
| Specimen Holder | |
| Holder | side entry, nitrogen cooled |
| Model | GATAN LIQUID NITROGEN |
| Temperature | 95 K |
| Camera | |
| Detector | KodakSO163 film |
| Image Acquisition | |
| Number of Digital Images | 50 |
| Sampling Size | 20 |
| Scanner | PERKIN ELMER |
Processing | |
| Method | helical reconstruction |
|---|---|
| 3D reconstruction | |
| Algorithm | Fourier Bessel synthesis |
| Software | Phoelix |
| CTF Correction | each microtubule |
| Resolution By Author | 20 A |
| Resolution Method | layer line phase information |
| Details | Final map calculated from 184 moire repeats |
Download | |||
| Data from EMDB | |||
| Header (meta data in XML format) | emd-1441.xml (8.1 KB) | ||
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| Map data | emd_1441.map.gz (443.8 KB) | ||
| Images | 1441.gif (89.2 KB) | ||
| FTP directory | ftp://ftp.pdbj.org/pub/emdb/structures/EMD-1441 | ||
| Movie files | |||
| movie #1 |
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| movie #2 |
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