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Open data
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Basic information
| Entry | Database: EMDB / ID: EMD-11656 | |||||||||||||||
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| Title | Cannabinoid Receptor 1-G obtained from EMPIAR-10288 using M | |||||||||||||||
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Sample |
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| Biological species | Homo sapiens (human) | |||||||||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 2.9 Å | |||||||||||||||
Authors | Tegunov D / Xue L / Dienemann C / Cramer P / Mahamid J | |||||||||||||||
| Funding support | Germany, 4 items
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Citation | Journal: Nat Methods / Year: 2021Title: Multi-particle cryo-EM refinement with M visualizes ribosome-antibiotic complex at 3.5 Å in cells. Authors: Dimitry Tegunov / Liang Xue / Christian Dienemann / Patrick Cramer / Julia Mahamid / ![]() Abstract: Cryo-electron microscopy (cryo-EM) enables macromolecular structure determination in vitro and inside cells. In addition to aligning individual particles, accurate registration of sample motion and ...Cryo-electron microscopy (cryo-EM) enables macromolecular structure determination in vitro and inside cells. In addition to aligning individual particles, accurate registration of sample motion and three-dimensional deformation during exposures are crucial for achieving high-resolution reconstructions. Here we describe M, a software tool that establishes a reference-based, multi-particle refinement framework for cryo-EM data and couples a comprehensive spatial deformation model to in silico correction of electron-optical aberrations. M provides a unified optimization framework for both frame-series and tomographic tilt-series data. We show that tilt-series data can provide the same resolution as frame-series data on a purified protein specimen, indicating that the alignment step no longer limits the resolution obtainable from tomographic data. In combination with Warp and RELION, M resolves to residue level a 70S ribosome bound to an antibiotic inside intact bacterial cells. Our work provides a computational tool that facilitates structural biology in cells. | |||||||||||||||
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Structure visualization
| Movie |
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| Structure viewer | EM map: SurfView Molmil Jmol/JSmol |
| Supplemental images |
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Downloads & links
-EMDB archive
| Map data | emd_11656.map.gz | 150.2 MB | EMDB map data format | |
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| Header (meta data) | emd-11656-v30.xml emd-11656.xml | 14.7 KB 14.7 KB | Display Display | EMDB header |
| FSC (resolution estimation) | emd_11656_fsc.xml | 13 KB | Display | FSC data file |
| Images | emd_11656.png | 46.1 KB | ||
| Masks | emd_11656_msk_1.map | 160.8 MB | Mask map | |
| Others | emd_11656_additional_1.map.gz emd_11656_half_map_1.map.gz emd_11656_half_map_2.map.gz | 143 MB 82.8 MB 82.8 MB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-11656 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-11656 | HTTPS FTP |
-Related structure data
| Related structure data | C: citing same article ( |
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| Similar structure data |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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Map
| File | Download / File: emd_11656.map.gz / Format: CCP4 / Size: 160.8 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 0.86 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
CCP4 map header:
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-Supplemental data
-Mask #1
| File | emd_11656_msk_1.map | ||||||||||||
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-Additional map: Denoised map
| File | emd_11656_additional_1.map | ||||||||||||
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| Annotation | Denoised map | ||||||||||||
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-Half map: #2
| File | emd_11656_half_map_1.map | ||||||||||||
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| Density Histograms |
-Half map: #1
| File | emd_11656_half_map_2.map | ||||||||||||
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| Density Histograms |
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Sample components
-Entire : Cannabinoid Receptor 1-G
| Entire | Name: Cannabinoid Receptor 1-G |
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| Components |
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-Supramolecule #1: Cannabinoid Receptor 1-G
| Supramolecule | Name: Cannabinoid Receptor 1-G / type: complex / ID: 1 / Parent: 0 |
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| Source (natural) | Organism: Homo sapiens (human) |
| Recombinant expression | Organism: Trichoplusia ni (cabbage looper) |
| Molecular weight | Experimental: 170 KDa |
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Buffer | pH: 7 |
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| Vitrification | Cryogen name: ETHANE |
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Electron microscopy
| Microscope | FEI TITAN KRIOS |
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| Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 50.0 e/Å2 |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
Movie
Controller
About Yorodumi



Homo sapiens (human)
Authors
Germany, 4 items
Citation
UCSF Chimera


















Z (Sec.)
Y (Row.)
X (Col.)





















































Trichoplusia ni (cabbage looper)
Processing


