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Open data
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Basic information
Entry | Database: EMDB / ID: EMD-31149 | |||||||||
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Title | human voltage-gated potassium channel KV1.3 H451N mutant | |||||||||
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![]() | potassium channel / complex / C-type inactivation / MEMBRANE PROTEIN | |||||||||
Function / homology | ![]() pinceau fiber / methylglyoxal reductase (NADPH) (acetol producing) activity / : / regulation of protein localization to cell surface / voltage-gated monoatomic ion channel activity / corpus callosum development / delayed rectifier potassium channel activity / : / Voltage gated Potassium channels / juxtaparanode region of axon ...pinceau fiber / methylglyoxal reductase (NADPH) (acetol producing) activity / : / regulation of protein localization to cell surface / voltage-gated monoatomic ion channel activity / corpus callosum development / delayed rectifier potassium channel activity / : / Voltage gated Potassium channels / juxtaparanode region of axon / Oxidoreductases; Acting on the CH-OH group of donors; With NAD+ or NADP+ as acceptor / outward rectifier potassium channel activity / regulation of potassium ion transmembrane transport / optic nerve development / tertiary granule membrane / action potential / voltage-gated potassium channel activity / potassium channel regulator activity / specific granule membrane / voltage-gated potassium channel complex / potassium ion transmembrane transport / calyx of Held / potassium ion transport / protein homooligomerization / cytoplasmic side of plasma membrane / presynaptic membrane / transmembrane transporter binding / postsynaptic membrane / cytoskeleton / membrane raft / axon / synapse / Neutrophil degranulation / perinuclear region of cytoplasm / glutamatergic synapse / membrane / plasma membrane / cytosol Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.3 Å | |||||||||
![]() | Liu S / Zhao Y | |||||||||
![]() | ![]() Title: Structures of wild-type and H451N mutant human lymphocyte potassium channel K1.3. Authors: Sanling Liu / Yue Zhao / Hao Dong / Liang Xiao / Yong Zhang / Yuqin Yang / Seow Theng Ong / K George Chandy / Longhua Zhang / Changlin Tian / ![]() ![]() | |||||||||
History |
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Structure visualization
Movie |
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Structure viewer | EM map: ![]() ![]() ![]() |
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 7.3 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 10.8 KB 10.8 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 10.7 KB | Display | ![]() |
Images | ![]() | 141.2 KB | ||
Filedesc metadata | ![]() | 5.6 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7ej2MC ![]() 7ej1C M: atomic model generated by this map C: citing same article ( |
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Similar structure data |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
File | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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
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Sample components
-Entire : Human KV1.3 H451N-KVb2.1
Entire | Name: Human KV1.3 H451N-KVb2.1 |
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Components |
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-Supramolecule #1: Human KV1.3 H451N-KVb2.1
Supramolecule | Name: Human KV1.3 H451N-KVb2.1 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2 |
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Source (natural) | Organism: ![]() |
-Macromolecule #1: Voltage-gated potassium channel subunit beta-2
Macromolecule | Name: Voltage-gated potassium channel subunit beta-2 / type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO EC number: Oxidoreductases; Acting on the CH-OH group of donors; With NAD+ or NADP+ as acceptor |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 41.049152 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MYPESTTGSP ARLSLRQTGS PGMIYSTRYG SPKRQLQFYR NLGKSGLRVS CLGLGTWVTF GGQITDEMAE QLMTLAYDNG INLFDTAEV YAAGKAEVVL GNIIKKKGWR RSSLVITTKI FWGGKAETER GLSRKHIIEG LKASLERLQL EYVDVVFANR P DPNTPMEE ...String: MYPESTTGSP ARLSLRQTGS PGMIYSTRYG SPKRQLQFYR NLGKSGLRVS CLGLGTWVTF GGQITDEMAE QLMTLAYDNG INLFDTAEV YAAGKAEVVL GNIIKKKGWR RSSLVITTKI FWGGKAETER GLSRKHIIEG LKASLERLQL EYVDVVFANR P DPNTPMEE TVRAMTHVIN QGMAMYWGTS RWSSMEIMEA YSVARQFNLT PPICEQAEYH MFQREKVEVQ LPELFHKIGV GA MTWSPLA CGIVSGKYDS GIPPYSRASL KGYQWLKDKI LSEEGRRQQA KLKELQAIAE RLGCTLPQLA IAWCLRNEGV SSV LLGASN ADQLMENIGA IQVLPKLSSS IIHEIDSILG NKPYSKKDYR S UniProtKB: Voltage-gated potassium channel subunit beta-2 |
-Macromolecule #2: Potassium voltage-gated channel subfamily A member 3
Macromolecule | Name: Potassium voltage-gated channel subfamily A member 3 / type: protein_or_peptide / ID: 2 / Number of copies: 4 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 63.882434 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MDERLSLLRS PPPPSARHRA HPPQRPASSG GAHTLVNHGY AEPAAGRELP PDMTVVPGDH LLEPEVADGG GAPPQGGCGG GGCDRYEPL PPSLPAAGEQ DCCGERVVIN ISGLRFETQL KTLCQFPETL LGDPKRRMRY FDPLRNEYFF DRNRPSFDAI L YYYQSGGR ...String: MDERLSLLRS PPPPSARHRA HPPQRPASSG GAHTLVNHGY AEPAAGRELP PDMTVVPGDH LLEPEVADGG GAPPQGGCGG GGCDRYEPL PPSLPAAGEQ DCCGERVVIN ISGLRFETQL KTLCQFPETL LGDPKRRMRY FDPLRNEYFF DRNRPSFDAI L YYYQSGGR IRRPVNVPID IFSEEIRFYQ LGEEAMEKFR EDEGFLREEE RPLPRRDFQR QVWLLFEYPE SSGPARGIAI VS VLVILIS IVIFCLETLP EFRDEKDYPA STSQDSFEAA GNSTSGSRAG ASSFSDPFFV VETLCIIWFS FELLVRFFAC PSK ATFSRN IMNLIDIVAI IPYFITLGTE LAERQGNGQQ AMSLAILRVI RLVRVFRIFK LSRHSKGLQI LGQTLKASMR ELGL LIFFL FIGVILFSSA VYFAEADDPT SGFSSIPDAF WWAVVTMTTV GYGDMNPVTI GGKIVGSLCA IAGVLTIALP VPVIV SNFN YFYHRETEGE EQSQYMHVGS CQHLSSSAEE LRKARSNSTL SKSEYMVIEE GGMNHSAFPQ TPFKTGNSTA TCTTNN NPN SCVNIKKIFT DV UniProtKB: Potassium voltage-gated channel subfamily A member 3 |
-Macromolecule #3: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
Macromolecule | Name: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / type: ligand / ID: 3 / Number of copies: 4 / Formula: NAP |
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Molecular weight | Theoretical: 743.405 Da |
Chemical component information | ![]() ChemComp-NAP: |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Buffer | pH: 8 |
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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: 62.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |