+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-44426 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Title | HCN1 M305L holo | |||||||||
Map data | ||||||||||
Sample |
| |||||||||
Keywords | membrane protein / nanodisc / TRANSPORT PROTEIN | |||||||||
Function / homology | Function and homology information intracellular cAMP-activated cation channel activity involved in regulation of presynaptic membrane potential / HCN channels / general adaptation syndrome, behavioral process / HCN channel complex / retinal cone cell development / regulation of membrane depolarization / intracellularly cAMP-activated cation channel activity / apical protein localization / voltage-gated monoatomic cation channel activity / voltage-gated sodium channel activity ...intracellular cAMP-activated cation channel activity involved in regulation of presynaptic membrane potential / HCN channels / general adaptation syndrome, behavioral process / HCN channel complex / retinal cone cell development / regulation of membrane depolarization / intracellularly cAMP-activated cation channel activity / apical protein localization / voltage-gated monoatomic cation channel activity / voltage-gated sodium channel activity / voltage-gated potassium channel activity / potassium channel activity / sodium ion transmembrane transport / neuronal action potential / cAMP binding / cellular response to cAMP / presynaptic active zone membrane / potassium ion transmembrane transport / regulation of membrane potential / postsynaptic membrane / protein homotetramerization / axon / glutamatergic synapse / dendrite / identical protein binding / plasma membrane Similarity search - Function | |||||||||
Biological species | Homo sapiens (human) | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.3 Å | |||||||||
Authors | Kim ED / Nimigean CM | |||||||||
Funding support | United States, 2 items
| |||||||||
Citation | Journal: Nature / Year: 2024 Title: Propofol rescues voltage-dependent gating of HCN1 channel epilepsy mutants Authors: Kim ED / Wu X / Lee S / Tibbs GR / Cunningham KP / Di Zanni E / Perez ME / Goldstein PA / Accardi A / Larsson HP / Nimigean CM | |||||||||
History |
|
-Structure visualization
Supplemental images |
---|
-Downloads & links
-EMDB archive
Map data | emd_44426.map.gz | 59.7 MB | EMDB map data format | |
---|---|---|---|---|
Header (meta data) | emd-44426-v30.xml emd-44426.xml | 17.4 KB 17.4 KB | Display Display | EMDB header |
FSC (resolution estimation) | emd_44426_fsc.xml | 9.1 KB | Display | FSC data file |
Images | emd_44426.png | 51.6 KB | ||
Masks | emd_44426_msk_1.map | 64 MB | Mask map | |
Filedesc metadata | emd-44426.cif.gz | 6 KB | ||
Others | emd_44426_additional_1.map.gz emd_44426_half_map_1.map.gz emd_44426_half_map_2.map.gz | 57 MB 45.6 MB 45.6 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-44426 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-44426 | HTTPS FTP |
-Validation report
Summary document | emd_44426_validation.pdf.gz | 890 KB | Display | EMDB validaton report |
---|---|---|---|---|
Full document | emd_44426_full_validation.pdf.gz | 889.6 KB | Display | |
Data in XML | emd_44426_validation.xml.gz | 15.9 KB | Display | |
Data in CIF | emd_44426_validation.cif.gz | 21 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-44426 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-44426 | HTTPS FTP |
-Related structure data
Related structure data | 9bc7MC 8uc7C 8uc8C 9bc6C C: citing same article (ref.) M: atomic model generated by this map |
---|---|
Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
---|---|
Related items in Molecule of the Month |
-Map
File | Download / File: emd_44426.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.0826 Å | ||||||||||||||||||||||||||||||||||||
Density |
| ||||||||||||||||||||||||||||||||||||
Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
|
-Supplemental data
-Mask #1
File | emd_44426_msk_1.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Projections & Slices |
| ||||||||||||
Density Histograms |
-Additional map: #1
File | emd_44426_additional_1.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Projections & Slices |
| ||||||||||||
Density Histograms |
-Half map: #2
File | emd_44426_half_map_1.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Projections & Slices |
| ||||||||||||
Density Histograms |
-Half map: #1
File | emd_44426_half_map_2.map | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Projections & Slices |
| ||||||||||||
Density Histograms |
-Sample components
-Entire : HCN1
Entire | Name: HCN1 |
---|---|
Components |
|
-Supramolecule #1: HCN1
Supramolecule | Name: HCN1 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1 |
---|---|
Source (natural) | Organism: Homo sapiens (human) |
-Macromolecule #1: Potassium/sodium hyperpolarization-activated cyclic nucleotide-ga...
Macromolecule | Name: Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1 type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO |
---|---|
Source (natural) | Organism: Homo sapiens (human) |
Molecular weight | Theoretical: 74.625695 KDa |
Recombinant expression | Organism: Homo sapiens (human) |
Sequence | String: MEGGGKPNSS SNSRDDGNSV FPAKASATGA GPAAAEKRLG TPPGGGGAGA KEHGNSVCFK VDGGGGGGGG GGGGEEPAGG FEDAEGPRR QYGFMQRQFT SMLQPGVNKF SLRMFGSQKA VEKEQERVKT AGFWIIHPYS DFRFYWDLIM LIMMVGNLVI I PVGITFFT ...String: MEGGGKPNSS SNSRDDGNSV FPAKASATGA GPAAAEKRLG TPPGGGGAGA KEHGNSVCFK VDGGGGGGGG GGGGEEPAGG FEDAEGPRR QYGFMQRQFT SMLQPGVNKF SLRMFGSQKA VEKEQERVKT AGFWIIHPYS DFRFYWDLIM LIMMVGNLVI I PVGITFFT EQTTTPWIIF NVASDTVFLL DLIMNFRTGT VNEDSSEIIL DPKVIKMNYL KSWFVVDFIS SIPVDYIFLI VE KGMDSEV YKTARALRIV RFTKILSLLR LLRLSRLIRY IHQWEEIFHM TYDLASAVVR IFNLIGMLLL LCHWDGCLQF LVP LLQDFP PDCWVSLNEM VNDSWGKQYS YALFKAMSHM LCIGYGAQAP VSMSDLWITM LSMIVGATCY AMFVGHATAL IQSL DSSRR QYQEKYKQVE QYMSFHKLPA DMRQKIHDYY EHRYQGKIFD EENILNELND PLREEIVNFN CRKLVATMPL FANAD PNFV TAMLSKLRFE VFQPGDYIIR EGAVGKKMYF IQHGVAGVIT KSSKEMKLTD GSYFGEICLL TKGRRTASVR ADTYCR LYS LSVDNFNEVL EEYPMMRRAF ETVAIDRLDR IGKKNSILLQ KFQKDLNTGV FNNQENEILK QIVKHDREMV QAALPRE SS SVLNTDPDAE KPRFASNL UniProtKB: Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1, Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1 |
-Macromolecule #2: 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE
Macromolecule | Name: 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE / type: ligand / ID: 2 / Number of copies: 12 / Formula: PCW |
---|---|
Molecular weight | Theoretical: 787.121 Da |
Chemical component information | ChemComp-PCW: |
-Macromolecule #3: ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE
Macromolecule | Name: ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE / type: ligand / ID: 3 / Number of copies: 4 / Formula: CMP |
---|---|
Molecular weight | Theoretical: 329.206 Da |
Chemical component information | ChemComp-CMP: |
-Experimental details
-Structure determination
Method | cryo EM |
---|---|
Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Buffer | pH: 8 |
---|---|
Vitrification | Cryogen name: ETHANE |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
---|---|
Image recording | Film or detector model: GATAN K3 (6k x 4k) / Average electron dose: 49.11 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Illumination mode: OTHER / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.1 µm |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |