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Yorodumi- EMDB-30334: Cryo-EM Structure of the Hyperpolarization-Activated Inwardly Rec... -
+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-30334 | ||||||||||||
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Title | Cryo-EM Structure of the Hyperpolarization-Activated Inwardly Rectifying Potassium Channel KAT1 from Arabidopsis | ||||||||||||
Map data | |||||||||||||
Sample |
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Function / homology | Function and homology information inward rectifier potassium channel activity / monoatomic ion channel complex / identical protein binding / plasma membrane Similarity search - Function | ||||||||||||
Biological species | Arabidopsis thaliana (thale cress) | ||||||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.2 Å | ||||||||||||
Authors | Li SY / Yang F / Sun DM / Zhang Y / Zhang MG / Zhou P / Liu SL / Zhang YN / Zhang LH / Tian CL | ||||||||||||
Funding support | China, 3 items
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Citation | Journal: Cell Res / Year: 2020 Title: Cryo-EM structure of the hyperpolarization-activated inwardly rectifying potassium channel KAT1 from Arabidopsis. Authors: Siyu Li / Fan Yang / Demeng Sun / Yong Zhang / Mengge Zhang / Sanling Liu / Peng Zhou / Chaowei Shi / Longhua Zhang / Changlin Tian / | ||||||||||||
History |
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-Structure visualization
Movie |
Movie viewer |
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Structure viewer | EM map: SurfViewMolmilJmol/JSmol |
Supplemental images |
-Downloads & links
-EMDB archive
Map data | emd_30334.map.gz | 4.6 MB | EMDB map data format | |
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Header (meta data) | emd-30334-v30.xml emd-30334.xml | 10.9 KB 10.9 KB | Display Display | EMDB header |
Images | emd_30334.png | 165.5 KB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-30334 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-30334 | HTTPS FTP |
-Related structure data
Related structure data | 7calMC M: atomic model generated by this map C: citing same article (ref.) |
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Similar structure data |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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Related items in Molecule of the Month |
-Map
File | Download / File: emd_30334.map.gz / Format: CCP4 / Size: 52.7 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Voxel size | X=Y=Z: 1.014 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
-Sample components
-Entire : KAT1
Entire | Name: KAT1 |
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Components |
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-Supramolecule #1: KAT1
Supramolecule | Name: KAT1 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1 |
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Source (natural) | Organism: Arabidopsis thaliana (thale cress) |
Recombinant expression | Organism: Spodoptera frugiperda (fall armyworm) |
-Macromolecule #1: Potassium channel KAT1
Macromolecule | Name: Potassium channel KAT1 / type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO |
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Source (natural) | Organism: Arabidopsis thaliana (thale cress) |
Molecular weight | Theoretical: 78.361445 KDa |
Recombinant expression | Organism: Spodoptera frugiperda (fall armyworm) |
Sequence | String: MSISWTRNFF ERFCVEEYNI DTIKQSSFLS ADLLPSLGAR INQSTKLRKH IISPFNPRYR AWEMWLVLLV IYSAWICPFQ FAFITYKKD AIFIIDNIVN GFFAIDIILT FFVAYLDSHS YLLVDSPKKI AIRYLSTWFA FDVCSTAPFQ PLSLLFNYNG S ELGFRILS ...String: MSISWTRNFF ERFCVEEYNI DTIKQSSFLS ADLLPSLGAR INQSTKLRKH IISPFNPRYR AWEMWLVLLV IYSAWICPFQ FAFITYKKD AIFIIDNIVN GFFAIDIILT FFVAYLDSHS YLLVDSPKKI AIRYLSTWFA FDVCSTAPFQ PLSLLFNYNG S ELGFRILS MLRLWRLRRV SSLFARLEKD IRFNYFWIRC TKLISVTLFA IHCAGCFNYL IADRYPNPRK TWIGAVYPNF KE ASLWNRY VTALYWSITT LTTTGYGDFH AENPREMLFD IFFMMFNLGL TAYLIGNMTN LVVHWTSRTR TFRDSVRAAS EFA SRNQLP HDIQDQMLSH ICLKFKTEGL KQQETLNNLP KAIRSSIANY LFFPIVHNIY LFQGVSRNFL FQLVSDIDAE YFPP KEDII LQNEAPTDLY ILVSGAVDFT VYVDGHDQFQ GKAVIGETFG EVGVLYYRPQ PFTVRTTELS QILRISRTSL MSAMH AHAD DGRVIMNNLF MKLRGQQSIA IDDSNTSGHE NRDFKSMGWE EWRDSRKDGY GLDVTNPTSD TALMDAIHKE DTEMVK KIL KEQKIERAKV ERSSSETAGR SYANDSSKKD PYCSSSNQII KPCKREEKRV TIHMMSESKN GKLILLPSSI EELLRLA SE KFGGCNFTKI TNADNAEIDD LDVIWDGDHL YFSSN |
-Macromolecule #2: 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOETHANOLAMINE
Macromolecule | Name: 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOETHANOLAMINE / type: ligand / ID: 2 / Number of copies: 4 / Formula: 3PE |
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Molecular weight | Theoretical: 748.065 Da |
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Buffer | pH: 8 |
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Vitrification | Cryogen name: ETHANE |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
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Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Illumination mode: SPOT SCAN / Imaging mode: DIFFRACTION |
Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 57.6 e/Å2 |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
-Image processing
Initial angle assignment | Type: PROJECTION MATCHING |
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Final angle assignment | Type: PROJECTION MATCHING |
Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 111658 |