+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-21708 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Title | Cu(I)-bound Copper Storage Protein BsCsp3 | |||||||||
Map data | BsCSP3 Density Map | |||||||||
Sample |
| |||||||||
Keywords | small protein (47 kDa) / Z-contrast enhancement in cryo-EM / copper storage protein / metal binding protein | |||||||||
Function / homology | Protein of unknown function DUF326 / Domain of Unknown Function (DUF326) / Uncharacterized cysteine-rich protein YhjQ-like / Uncharacterized cysteine-rich protein YhjQ Function and homology information | |||||||||
Biological species | Bacillus subtilis (strain 168) (bacteria) | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.4 Å | |||||||||
Authors | Chen JZ / Oken A | |||||||||
Funding support | United States, United Kingdom, 2 items
| |||||||||
Citation | Journal: To Be Published Title: Cu(I)-bound Copper Storage Protein BsCsp3 Authors: Chen JZ / Dennison C | |||||||||
History |
|
-Structure visualization
Movie |
Movie viewer |
---|---|
Structure viewer | EM map: SurfViewMolmilJmol/JSmol |
Supplemental images |
-Downloads & links
-EMDB archive
Map data | emd_21708.map.gz | 1.6 MB | EMDB map data format | |
---|---|---|---|---|
Header (meta data) | emd-21708-v30.xml emd-21708.xml | 19.7 KB 19.7 KB | Display Display | EMDB header |
FSC (resolution estimation) | emd_21708_fsc.xml | 4.5 KB | Display | FSC data file |
Images | emd_21708.png | 194.5 KB | ||
Masks | emd_21708_msk_1.map | 3.4 MB | Mask map | |
Filedesc metadata | emd-21708.cif.gz | 6.2 KB | ||
Others | emd_21708_half_map_1.map.gz emd_21708_half_map_2.map.gz | 1.7 MB 1.7 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-21708 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-21708 | HTTPS FTP |
-Validation report
Summary document | emd_21708_validation.pdf.gz | 619 KB | Display | EMDB validaton report |
---|---|---|---|---|
Full document | emd_21708_full_validation.pdf.gz | 618.5 KB | Display | |
Data in XML | emd_21708_validation.xml.gz | 9.1 KB | Display | |
Data in CIF | emd_21708_validation.cif.gz | 11.8 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-21708 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-21708 | HTTPS FTP |
-Related structure data
Related structure data | 6wktMC M: atomic model generated by this map C: citing same article (ref.) |
---|---|
Similar structure data |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
---|
-Map
File | Download / File: emd_21708.map.gz / Format: CCP4 / Size: 3.4 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Annotation | BsCSP3 Density Map | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.296 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
|
-Supplemental data
-Mask #1
File | emd_21708_msk_1.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Projections & Slices |
| ||||||||||||
Density Histograms |
-Half map: BsCSP3 half map - even
File | emd_21708_half_map_1.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Annotation | BsCSP3 half map - even | ||||||||||||
Projections & Slices |
| ||||||||||||
Density Histograms |
-Half map: BsCSP3 half map - odd
File | emd_21708_half_map_2.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Annotation | BsCSP3 half map - odd | ||||||||||||
Projections & Slices |
| ||||||||||||
Density Histograms |
-Sample components
-Entire : BsCsp3, Cu(I) ions
Entire | Name: BsCsp3, Cu(I) ions |
---|---|
Components |
|
-Supramolecule #1: BsCsp3, Cu(I) ions
Supramolecule | Name: BsCsp3, Cu(I) ions / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all |
---|---|
Source (natural) | Organism: Bacillus subtilis (strain 168) (bacteria) / Strain: 168 |
Molecular weight | Theoretical: 47 KDa |
-Macromolecule #1: Csp3
Macromolecule | Name: Csp3 / type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO |
---|---|
Source (natural) | Organism: Bacillus subtilis (strain 168) (bacteria) / Strain: 168 |
Molecular weight | Theoretical: 11.853758 KDa |
Recombinant expression | Organism: Escherichia coli BL21(DE3) (bacteria) |
Sequence | String: MEQYSEACIE ACIDCMKACN HCFTKCLEES VQHHLSGCIR LDRECADICA LAVKAMQTDS PFMKEICALC ADICEACGTE CGKHDHDHC QACAKACFTC AEQCRSMAA UniProtKB: Uncharacterized cysteine-rich protein YhjQ |
-Experimental details
-Structure determination
Method | cryo EM |
---|---|
Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Concentration | 0.11 mg/mL | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Buffer | pH: 7.5 Component:
| |||||||||
Grid | Model: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 400 / Support film - Material: CARBON / Support film - topology: HOLEY / Support film - Film thickness: 15 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 30 sec. / Pretreatment - Atmosphere: AIR / Pretreatment - Pressure: 0.038 kPa / Details: 15 mA | |||||||||
Vitrification | Cryogen name: ETHANE / Chamber humidity: 95 % / Chamber temperature: 295 K / Instrument: FEI VITROBOT MARK IV Details: 5 micro-liters of sample loaded, waited 1 second,front + back blotted for 4.5 seconds at force 1 before plunging. | |||||||||
Details | This sample was monodisperse. |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
---|---|
Temperature | Min: 90.0 K / Max: 95.0 K |
Specialist optics | Energy filter - Name: GIF Bioquantum / Energy filter - Slit width: 20 eV |
Image recording | Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Digitization - Dimensions - Width: 5760 pixel / Digitization - Dimensions - Height: 4092 pixel / Number grids imaged: 1 / Number real images: 2212 / Average exposure time: 0.985 sec. / Average electron dose: 40.0 e/Å2 Details: Images were collected at 40 frames per movie. Four movies were collected per stage shift. Frames were collected in super resolution mode at a calibrated pixel size of 0.324 A/pixel. |
Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | C2 aperture diameter: 70.0 µm / Calibrated defocus max: 2.1 µm / Calibrated defocus min: 0.8 µm / Calibrated magnification: 136000 / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.15 µm / Nominal defocus min: 0.85 µm / Nominal magnification: 130000 |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
+Image processing
-Atomic model buiding 1
Initial model | PDB ID: Chain - Chain ID: A / Chain - Residue range: 4-108 / Chain - Source name: PDB / Chain - Initial model type: experimental model |
---|---|
Refinement | Space: REAL / Protocol: FLEXIBLE FIT / Overall B value: 46.04 / Target criteria: Correlation coefficient |
Output model | PDB-6wkt: |