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Yorodumi- EMDB-50394: Cryo-EM structure of the full-length alpha1beta3gamma2 GABA(A) re... -
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Basic information
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| Title | Cryo-EM structure of the full-length alpha1beta3gamma2 GABA(A) receptor in SMALPs bound to one PIP2 molecule at chain alpha1-D and in complex with Mb38 | |||||||||||||||||||||
Map data | Unsharpened map | |||||||||||||||||||||
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Keywords | GABA / neurotransmission / gating cycle / time-resolved cryo-EM / MEMBRANE PROTEIN | |||||||||||||||||||||
| Function / homology | Function and homology informationbenzodiazepine receptor activity / circadian sleep/wake cycle, REM sleep / reproductive behavior / GABA receptor complex / hard palate development / cellular response to histamine / GABA receptor activation / inner ear receptor cell development / inhibitory synapse assembly / GABA-A receptor activity ...benzodiazepine receptor activity / circadian sleep/wake cycle, REM sleep / reproductive behavior / GABA receptor complex / hard palate development / cellular response to histamine / GABA receptor activation / inner ear receptor cell development / inhibitory synapse assembly / GABA-A receptor activity / GABA-gated chloride ion channel activity / GABA-A receptor complex / innervation / response to anesthetic / postsynaptic specialization membrane / inhibitory postsynaptic potential / gamma-aminobutyric acid signaling pathway / synaptic transmission, GABAergic / cellular response to zinc ion / exploration behavior / chloride channel activity / adult behavior / motor behavior / roof of mouth development / Signaling by ERBB4 / cochlea development / social behavior / chloride channel complex / dendrite membrane / cytoplasmic vesicle membrane / chloride transmembrane transport / cerebellum development / post-embryonic development / learning / transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential / GABA-ergic synapse / memory / dendritic spine / postsynaptic membrane / postsynapse / response to xenobiotic stimulus / axon / cell surface / signal transduction / identical protein binding / plasma membrane Similarity search - Function | |||||||||||||||||||||
| Biological species | Homo sapiens (human) / ![]() | |||||||||||||||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 3.4 Å | |||||||||||||||||||||
Authors | Mihaylov DB / Malinauskas T / Aricescu AR | |||||||||||||||||||||
| Funding support | United Kingdom, United States, 6 items
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Citation | Journal: To Be PublishedTitle: Cryo-EM structure of the full-length alpha1beta3gamma2 GABA(A) receptor in SMALPs bound to one PIP2 molecule at chain alpha1-D and in complex with Mb38 Authors: Mihaylov DB / Malinauskas T / Aricescu AR | |||||||||||||||||||||
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Structure visualization
| Supplemental images |
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Downloads & links
-EMDB archive
| Map data | emd_50394.map.gz | 11.3 MB | EMDB map data format | |
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| Header (meta data) | emd-50394-v30.xml emd-50394.xml | 29.8 KB 29.8 KB | Display Display | EMDB header |
| FSC (resolution estimation) | emd_50394_fsc.xml | 6.4 KB | Display | FSC data file |
| Images | emd_50394.png | 95 KB | ||
| Masks | emd_50394_msk_1.map | 22.2 MB | Mask map | |
| Filedesc metadata | emd-50394.cif.gz | 8.6 KB | ||
| Others | emd_50394_additional_1.map.gz emd_50394_half_map_1.map.gz emd_50394_half_map_2.map.gz | 3 MB 20.6 MB 20.6 MB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-50394 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-50394 | HTTPS FTP |
-Validation report
| Summary document | emd_50394_validation.pdf.gz | 821.3 KB | Display | EMDB validaton report |
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| Full document | emd_50394_full_validation.pdf.gz | 820.9 KB | Display | |
| Data in XML | emd_50394_validation.xml.gz | 12.2 KB | Display | |
| Data in CIF | emd_50394_validation.cif.gz | 16.9 KB | Display | |
| Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-50394 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-50394 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9fgcMC M: atomic model generated by this map C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_50394.map.gz / Format: CCP4 / Size: 22.2 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| Annotation | Unsharpened map | ||||||||||||||||||||||||||||||||||||
| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 1.46528 Å | ||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
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-Supplemental data
-Mask #1
| File | emd_50394_msk_1.map | ||||||||||||
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| Density Histograms |
-Additional map: Sharpened map
| File | emd_50394_additional_1.map | ||||||||||||
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| Annotation | Sharpened map | ||||||||||||
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| Density Histograms |
-Half map: One of the half maps
| File | emd_50394_half_map_1.map | ||||||||||||
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| Annotation | One of the half maps | ||||||||||||
| Projections & Slices |
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| Density Histograms |
-Half map: One of the half maps
| File | emd_50394_half_map_2.map | ||||||||||||
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| Annotation | One of the half maps | ||||||||||||
| Projections & Slices |
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| Density Histograms |
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Sample components
-Entire : Cryo-EM structure of the full-length alpha1beta3gamma2 GABA(A) re...
| Entire | Name: Cryo-EM structure of the full-length alpha1beta3gamma2 GABA(A) receptor in SMALPs bound to one PIP2 molecule at chain alpha1-D and in complex with Mb38 |
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| Components |
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-Supramolecule #1: Cryo-EM structure of the full-length alpha1beta3gamma2 GABA(A) re...
| Supramolecule | Name: Cryo-EM structure of the full-length alpha1beta3gamma2 GABA(A) receptor in SMALPs bound to one PIP2 molecule at chain alpha1-D and in complex with Mb38 type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#4 |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 250 KDa |
-Macromolecule #1: Gamma-aminobutyric acid receptor subunit alpha-1
| Macromolecule | Name: Gamma-aminobutyric acid receptor subunit alpha-1 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 52.916602 KDa |
| Recombinant expression | Organism: Homo sapiens (human) |
| Sequence | String: MKKSPGLSDY LWAWTLFLST LTGRSYGDYK DDDDKQPSLQ DELKDNTTVF TRILDRLLDG YDNRLRPGLG ERVTEVKTDI FVTSFGPVS DHDMEYTIDV FFRQSWKDER LKFKGPMTVL RLNNLMASKI WTPDTFFHNG KKSVAHNMTM PNKLLRITED G TLLYTMRL ...String: MKKSPGLSDY LWAWTLFLST LTGRSYGDYK DDDDKQPSLQ DELKDNTTVF TRILDRLLDG YDNRLRPGLG ERVTEVKTDI FVTSFGPVS DHDMEYTIDV FFRQSWKDER LKFKGPMTVL RLNNLMASKI WTPDTFFHNG KKSVAHNMTM PNKLLRITED G TLLYTMRL TVRAECPMHL EDFPMDAHAC PLKFGSYAYT RAEVVYEWTR EPARSVVVAE DGSRLNQYDL LGQTVDSGIV QS STGEYVV MTTHFHLKRK IGYFVIQTYL PCIMTVILSQ VSFWLNRESV PARTVFGVTT VLTMTTLSIS ARNSLPKVAY ATA MDWFIA VCYAFVFSAL IEFATVNYFT KRGYAWDGKS VVPEKPKKVK DPLIKKNNTY APTATSYTPN LARGDPGLAT IAKS ATIEP KEVKPETKPP EPKKTFNSVS KIDRLSRIAF PLLFGIFNLV YWATYLNREP QLKAPTPHQ UniProtKB: Gamma-aminobutyric acid receptor subunit alpha-1 |
-Macromolecule #2: Gamma-aminobutyric acid receptor subunit beta-3
| Macromolecule | Name: Gamma-aminobutyric acid receptor subunit beta-3 / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 54.444578 KDa |
| Recombinant expression | Organism: Homo sapiens (human) |
| Sequence | String: MCSGLLELLL PIWLSWTLGT RGSEPRSVND PGNMSFVKET VDKLLKGYDI RLRPDFGGPP VCVGMNIDIA SIDMVSEVNM DYTLTMYFQ QYWRDKRLAY SGIPLNLTLD NRVADQLWVP DTYFLNDKKS FVHGVTVKNR MIRLHPDGTV LYGLRITTTA A CMMDLRRY ...String: MCSGLLELLL PIWLSWTLGT RGSEPRSVND PGNMSFVKET VDKLLKGYDI RLRPDFGGPP VCVGMNIDIA SIDMVSEVNM DYTLTMYFQ QYWRDKRLAY SGIPLNLTLD NRVADQLWVP DTYFLNDKKS FVHGVTVKNR MIRLHPDGTV LYGLRITTTA A CMMDLRRY PLDEQNCTLE IESYGYTTDD IEFYWRGGDK AVTGVERIEL PQFSIVEHRL VSRNVVFATG AYPRLSLSFR LK RNIGYFI LQTYMPSILI TILSWVSFWI NYDASAARVA LGITTVLTMT TINTHLRETL PKIPYVKAID MYLMGCFVFV FLA LLEYAF VNYIFFGRGP QRQKKLAEKT AKAKNDRSKS ESNRVDAHGN ILLTSLEVHN EMNEVSGGIG DTRNSAISFD NSGI QYRKQ SMPREGHGRF LGDRSLPHKK THLRRRSSQL KIKIPDLTDV NAIDRWSRIV FPFTFSLFNL VYWLYYVN UniProtKB: Gamma-aminobutyric acid receptor subunit beta-3 |
-Macromolecule #3: Gamma-aminobutyric acid receptor subunit gamma-2
| Macromolecule | Name: Gamma-aminobutyric acid receptor subunit gamma-2 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 56.922055 KDa |
| Recombinant expression | Organism: Homo sapiens (human) |
| Sequence | String: MSSPNIWSTG SSVYSTPVFS QKMTVWILLL LSLYPGFTSQ KSDDDYEDYA SNKTWVLTPK VPEGDVTVIL NNLLEGYDNK LRPDIGVKP TLIHTDMYVN SIGPVNAINM EYTIDIFFAQ TWYDRRLKFN STIKVLRLNS NMVGKIWIPD TFFRNSKKAD A HWITTPNR ...String: MSSPNIWSTG SSVYSTPVFS QKMTVWILLL LSLYPGFTSQ KSDDDYEDYA SNKTWVLTPK VPEGDVTVIL NNLLEGYDNK LRPDIGVKP TLIHTDMYVN SIGPVNAINM EYTIDIFFAQ TWYDRRLKFN STIKVLRLNS NMVGKIWIPD TFFRNSKKAD A HWITTPNR MLRIWNDGRV LYTLRLTIDA ECQLQLHNFP MDEHSCPLEF SSYGYPREEI VYQWKRSSVE VGDTRSWRLY QF SFVGLRN TTEVVKTTSG DYVVMSVYFD LSRRMGYFTI QTYIPCTLIV VLSWVSFWIN KDAVPARTSL GITTVLTMTT LST IARKSL PKVSYVTAMD LFVSVCFIFV FSALVEYGTL HYFVSNRKPS KDKDKKKKNP LLRMFSFKAP TIDIRPRSAT IQMN NATHL QERDEEYGYE CLDGKDCASF FCCFEDCRTG AWRHGRIHIR IAKMDSYARI FFPTAFCLFN LVYWVSYLYL GGSGG SGGS GKTETSQVAP A UniProtKB: Gamma-aminobutyric acid receptor subunit gamma-2 |
-Macromolecule #4: Megabody-38,Outer membrane protein
| Macromolecule | Name: Megabody-38,Outer membrane protein / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 57.784301 KDa |
| Recombinant expression | Organism: ![]() |
| Sequence | String: QVQLQESGGG LVQTKTTTSV IDTTNDAQNL LTQAQTIVNT LKDYCPILIA KSSSSNGGTN NANTPSWQTA GGGKNSCATF GAEFSAASD MINNAQKIVQ ETQQLSANQP KNITQPHNLN LNSPSSLTAL AQKMLKNAQS QAEILKLANQ VESDFNKLSS G HLKDYIGK ...String: QVQLQESGGG LVQTKTTTSV IDTTNDAQNL LTQAQTIVNT LKDYCPILIA KSSSSNGGTN NANTPSWQTA GGGKNSCATF GAEFSAASD MINNAQKIVQ ETQQLSANQP KNITQPHNLN LNSPSSLTAL AQKMLKNAQS QAEILKLANQ VESDFNKLSS G HLKDYIGK CDASAISSAN MTMQNQKNNW GNGCAGVEET QSLLKTSAAD FNNQTPQINQ AQNLANTLIQ ELGNNPFRAS GG GSGGGGS GKLSDTYEQL SRLLTNDNGT NSKTSAQAIN QAVNNLNERA KTLAGGTTNS PAYQATLLAL RSVLGLWNSM GYA VICGGY TKSPGENNQK DFHYTDENGN GTTINCGGST NSNGTHSYNG TNTLKADKNV SLSIEQYEKI HEAYQILSKA LKQA GLAPL NSKGEKLEAH VTTSKYGSLR VSCAASGRTF TTYIMAWFRQ APGKEREFLA AMDQGRIQYY GDSVRGRFTI SRDYA KNSV DLQLDGLRPE DTAVYYCAAG AGFWGLRTAS SYHYWGQGTQ VTVSSHHHHH HEPEA UniProtKB: Outer membrane protein |
-Macromolecule #9: DECANE
| Macromolecule | Name: DECANE / type: ligand / ID: 9 / Number of copies: 1 / Formula: D10 |
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| Molecular weight | Theoretical: 142.282 Da |
| Chemical component information | ![]() ChemComp-D10: |
-Macromolecule #10: 2-acetamido-2-deoxy-beta-D-glucopyranose
| Macromolecule | Name: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 10 / Number of copies: 1 / Formula: NAG |
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| Molecular weight | Theoretical: 221.208 Da |
| Chemical component information | ![]() ChemComp-NAG: |
-Macromolecule #11: [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(o...
| Macromolecule | Name: [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate type: ligand / ID: 11 / Number of copies: 1 / Formula: PIO |
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| Molecular weight | Theoretical: 746.566 Da |
| Chemical component information | ![]() ChemComp-PIO: |
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Concentration | 1 mg/mL | ||||||||||||
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| Buffer | pH: 7.4 Component:
Details: 137 mM NaCl, 2.7 mM KCl, 4.3 mM Na2HPO | ||||||||||||
| Grid | Model: UltrAuFoil R1.2/1.3 / Support film - Material: GOLD / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 120 sec. / Pretreatment - Atmosphere: AIR / Pretreatment - Pressure: 0.039 kPa / Details: Current: 30mA | ||||||||||||
| Vitrification | Cryogen name: ETHANE / Chamber humidity: 95 % / Chamber temperature: 281 K / Instrument: HOMEMADE PLUNGER |
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Electron microscopy
| Microscope | TFS KRIOS |
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| Image recording | Film or detector model: FEI FALCON IV (4k x 4k) / Digitization - Dimensions - Width: 4096 pixel / Digitization - Dimensions - Height: 4096 pixel / Number grids imaged: 1 / Number real images: 11994 / Average exposure time: 8.64 sec. / Average electron dose: 40.0 e/Å2 |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | C2 aperture diameter: 50.0 µm / Calibrated magnification: 75000 / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.4 µm / Nominal defocus min: 1.4000000000000001 µm / Nominal magnification: 75000 |
| Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
| Initial model | PDB ID: Chain - Source name: PDB / Chain - Initial model type: experimental model |
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| Refinement | Space: REAL / Protocol: OTHER / Overall B value: 30 / Target criteria: FSC at 0.5 |
| Output model | ![]() PDB-9fgc: |
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About Yorodumi



Keywords
Homo sapiens (human)
Authors
United Kingdom,
United States, 6 items
Citation



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
























































FIELD EMISSION GUN


