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- EMDB-35380: Cryo-EM structure of GPR156-miniGo-scFv16 complex -

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Entry
Database: EMDB / ID: EMD-35380
TitleCryo-EM structure of GPR156-miniGo-scFv16 complex
Map data
Sample
  • Complex: GPR156-miniGo-scFv16 complex
    • Complex: GPR156
      • Protein or peptide: Probable G-protein coupled receptor 156
    • Complex: miniGo heterotrimeric complex
      • Protein or peptide: Guanine nucleotide-binding protein G(o) subunit alpha
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Complex: scFv16
      • Protein or peptide: Single-chain variable fragment scFv16
  • Ligand: [(2R)-3-[(E)-hexadec-9-enoyl]oxy-2-octadecanoyloxy-propyl] 2-(trimethylazaniumyl)ethyl phosphate
KeywordsMembrane protein / G-protein coupled receptor / Signal transduction / Phospholipid
Function / homology
Function and homology information


G protein-coupled GABA receptor activity / G protein-coupled receptor heterodimeric complex / mu-type opioid receptor binding / corticotropin-releasing hormone receptor 1 binding / gamma-aminobutyric acid signaling pathway / dopamine receptor signaling pathway / G protein-coupled serotonin receptor binding / muscle contraction / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway ...G protein-coupled GABA receptor activity / G protein-coupled receptor heterodimeric complex / mu-type opioid receptor binding / corticotropin-releasing hormone receptor 1 binding / gamma-aminobutyric acid signaling pathway / dopamine receptor signaling pathway / G protein-coupled serotonin receptor binding / muscle contraction / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / Activation of the phototransduction cascade / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein activation / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / ADP signalling through P2Y purinoceptor 12 / G beta:gamma signalling through BTK / Sensory perception of sweet, bitter, and umami (glutamate) taste / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / photoreceptor disc membrane / Adrenaline,noradrenaline inhibits insulin secretion / Glucagon-type ligand receptors / Vasopressin regulates renal water homeostasis via Aquaporins / G alpha (z) signalling events / cellular response to catecholamine stimulus / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / ADORA2B mediated anti-inflammatory cytokines production / adenylate cyclase-activating dopamine receptor signaling pathway / ADP signalling through P2Y purinoceptor 1 / G beta:gamma signalling through PI3Kgamma / cellular response to prostaglandin E stimulus / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / sensory perception of taste / GPER1 signaling / G-protein beta-subunit binding / heterotrimeric G-protein complex / Inactivation, recovery and regulation of the phototransduction cascade / extracellular vesicle / G alpha (12/13) signalling events / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / retina development in camera-type eye / GTPase binding / Ca2+ pathway / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (i) signalling events / fibroblast proliferation / G alpha (s) signalling events / G alpha (q) signalling events / Ras protein signal transduction / cell population proliferation / Extra-nuclear estrogen signaling / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / synapse / protein-containing complex binding / GTP binding / signal transduction / extracellular exosome / membrane / metal ion binding / plasma membrane / cytosol / cytoplasm
Similarity search - Function
GPR156, 7TM domain / GPCR family 3, GABA-B receptor / GPCR family 3, C-terminal / 7 transmembrane sweet-taste receptor of 3 GCPR / G-protein coupled receptors family 3 profile. / G-protein alpha subunit, group I / G-alpha domain profile. / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit ...GPR156, 7TM domain / GPCR family 3, GABA-B receptor / GPCR family 3, C-terminal / 7 transmembrane sweet-taste receptor of 3 GCPR / G-protein coupled receptors family 3 profile. / G-protein alpha subunit, group I / G-alpha domain profile. / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. / GGL domain / G-protein gamma-like domain superfamily / G-protein gamma-like domain / GGL domain / G protein gamma subunit-like motifs / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / WD domain, G-beta repeat / WD40 repeats / WD40 repeat / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Guanine nucleotide-binding protein G(o) subunit alpha / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Probable G-protein coupled receptor 156
Similarity search - Component
Biological speciesHomo sapiens (human) / Mus musculus (house mouse)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.33 Å
AuthorsShin J / Park J / Cho Y
Funding support Korea, Republic Of, 1 items
OrganizationGrant numberCountry
National Research Foundation (NRF, Korea)2021R1A2C301335711 Korea, Republic Of
CitationJournal: Nat Struct Mol Biol / Year: 2024
Title: Constitutive activation mechanism of a class C GPCR.
Authors: Jinwoo Shin / Junhyeon Park / Jieun Jeong / Jordy Homing Lam / Xingyu Qiu / Di Wu / Kuglae Kim / Joo-Youn Lee / Carol V Robinson / Jaekyung Hyun / Vsevolod Katritch / Kwang Pyo Kim / Yunje Cho /
Abstract: Class C G-protein-coupled receptors (GPCRs) are activated through binding of agonists to the large extracellular domain (ECD) followed by rearrangement of the transmembrane domains (TMDs). GPR156, a ...Class C G-protein-coupled receptors (GPCRs) are activated through binding of agonists to the large extracellular domain (ECD) followed by rearrangement of the transmembrane domains (TMDs). GPR156, a class C orphan GPCR, is unique because it lacks an ECD and exhibits constitutive activity. Impaired GPR156-G signaling contributes to loss of hearing. Here we present the cryo-electron microscopy structures of human GPR156 in the G-free and G-coupled states. We found that an endogenous phospholipid molecule is located within each TMD of the GPR156 dimer. Asymmetric binding of Gα to the phospholipid-bound GPR156 dimer restructures the first and second intracellular loops and the carboxy-terminal part of the elongated transmembrane 7 (TM7) without altering dimer conformation. Our findings reveal that GPR156 is a transducer for phospholipid signaling. Constant binding of abundant phospholipid molecules and the G-protein-induced reshaping of the cytoplasmic face provide a basis for the constitutive activation of GPR156.
History
DepositionFeb 15, 2023-
Header (metadata) releaseFeb 14, 2024-
Map releaseFeb 14, 2024-
UpdateFeb 28, 2024-
Current statusFeb 28, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_35380.png

Downloads & links

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Map

FileDownload / File: emd_35380.map.gz / Format: CCP4 / Size: 262.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 0.81 Å
Density
Contour LevelBy AUTHOR: 0.598
Minimum - Maximum-5.214805 - 8.194561
Average (Standard dev.)-0.0019499429 (±0.110840164)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions410410410
Spacing410410410
CellA=B=C: 332.1 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_35380_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_35380_half_map_2.map
Projections & Slices
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Histogram

Histogram (log scale)

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Sample components

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Entire : GPR156-miniGo-scFv16 complex

EntireName: GPR156-miniGo-scFv16 complex
Components
  • Complex: GPR156-miniGo-scFv16 complex
    • Complex: GPR156
      • Protein or peptide: Probable G-protein coupled receptor 156
    • Complex: miniGo heterotrimeric complex
      • Protein or peptide: Guanine nucleotide-binding protein G(o) subunit alpha
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Complex: scFv16
      • Protein or peptide: Single-chain variable fragment scFv16
  • Ligand: [(2R)-3-[(E)-hexadec-9-enoyl]oxy-2-octadecanoyloxy-propyl] 2-(trimethylazaniumyl)ethyl phosphate

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Supramolecule #1: GPR156-miniGo-scFv16 complex

SupramoleculeName: GPR156-miniGo-scFv16 complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#5
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 27 kDa/nm

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Supramolecule #2: GPR156

SupramoleculeName: GPR156 / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #3: miniGo heterotrimeric complex

SupramoleculeName: miniGo heterotrimeric complex / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2-#3, #5
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #4: scFv16

SupramoleculeName: scFv16 / type: complex / ID: 4 / Parent: 1 / Macromolecule list: #4 / Details: single-chain variable fragment scFv16
Source (natural)Organism: Mus musculus (house mouse)

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Macromolecule #1: Probable G-protein coupled receptor 156

MacromoleculeName: Probable G-protein coupled receptor 156 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 65.628484 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MEPEINCSEL CDSFPGQELD RRPLHDLCKT TITSSHHSSK TISSLSPVLL GIVWTFLSCG LLLILFFLAF TIHCRKNRIV KMSSPNLNI VTLLGSCLTY SSAYLFGIQD VLVGSSMETL IQTRLSMLCI GTSLVFGPIL GKSWRLYKVF TQRVPDKRVI I KDLQLLGL ...String:
MEPEINCSEL CDSFPGQELD RRPLHDLCKT TITSSHHSSK TISSLSPVLL GIVWTFLSCG LLLILFFLAF TIHCRKNRIV KMSSPNLNI VTLLGSCLTY SSAYLFGIQD VLVGSSMETL IQTRLSMLCI GTSLVFGPIL GKSWRLYKVF TQRVPDKRVI I KDLQLLGL VAALLMADVI LLMTWVLTDP IQCLQILSVS MTVTGKDVSC TSTSTHFCAS RYSDVWIALI WGCKGLLLLY GA YLAGLTG HVSSPPVNQS LTIMVGVNLL VLAAGLLFVV TRYLHSWPNL VFGLTSGGIF VCTTTINCFI FIPQLKQWKA FEE ENQTIR RMAKYFSTPN KSFHTQYGEE ENCHPRGEKS SMERLLTEKN AVIESLQEQV NNAKEKIVRL MSAECTYDLP EGAA PPASS PNKDVQAVAS VHTLAAAQGP SGHLSDFQND PGMAARDSQC TSGPSSYAQS LEGPGKDSSF SPGKEEKISD SKDFS DHLD SGCSQKPWTE QSLGPERGDQ VPMNPSQSLL PERGGSDPQR QRHLENSEEP PERRSRVSSV IREKLQEVLQ DLGSGS GSG RGRGGSENLY FQGGSGSGGD YKDDDDKDYK DDDDK

UniProtKB: Probable G-protein coupled receptor 156

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Macromolecule #2: Guanine nucleotide-binding protein G(o) subunit alpha

MacromoleculeName: Guanine nucleotide-binding protein G(o) subunit alpha / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 25.451166 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MGCTLSAEDK AAVERSKMIE KNLKEDGISA AKDVKLLLLG ADNSGKSTIV KQMKIIHGGS GGSGGTTGIV ETHFTFKNLH FRLFDVGGQ RSERKKWIHC FEDVTAIIFC VDLSDYNRMH ESLMLFDSIC NNKFFIDTSI ILFLNKKDLF GEKIKKSPLT I CFPEYTGP ...String:
MGCTLSAEDK AAVERSKMIE KNLKEDGISA AKDVKLLLLG ADNSGKSTIV KQMKIIHGGS GGSGGTTGIV ETHFTFKNLH FRLFDVGGQ RSERKKWIHC FEDVTAIIFC VDLSDYNRMH ESLMLFDSIC NNKFFIDTSI ILFLNKKDLF GEKIKKSPLT I CFPEYTGP NTYEDAAAYI QAQFESKNRS PNKEIYCHMT CATDTNNAQV IFDAVTDIII ANNLRGCGLY

UniProtKB: Guanine nucleotide-binding protein G(o) subunit alpha

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Macromolecule #3: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 39.418086 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MHHHHHHLEV LFQGPGSSGS ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLV SASQDGKLII WDSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG H TGYLSCCR ...String:
MHHHHHHLEV LFQGPGSSGS ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLV SASQDGKLII WDSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG H TGYLSCCR FLDDNQIVTS SGDTTCALWD IETGQQTTTF TGHTGDVMSL SLAPDTRLFV SGACDASAKL WDVREGMCRQ TF TGHESDI NAICFFPNGN AFATGSDDAT CRLFDLRADQ ELMTYSHDNI ICGITSVSFS KSGRLLLAGY DDFNCNVWDA LKA DRAGVL AGHDNRVSCL GVTDDGMAVA TGSWDSFLKI WN

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

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Macromolecule #4: Single-chain variable fragment scFv16

MacromoleculeName: Single-chain variable fragment scFv16 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 27.740861 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLTSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV IPGESVSISC R SSKSLLHS ...String:
DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLTSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV IPGESVSISC R SSKSLLHS NGNTYLYWFL QRPGQSPQLL IYRMSNLASG VPDRFSGSGS GTAFTLTISR LEAEDVGVYY CMQHLEYPLT FG AGTKLEL KAAAHHHHHH HH

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Macromolecule #5: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 7.861143 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI L

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

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Macromolecule #6: [(2R)-3-[(E)-hexadec-9-enoyl]oxy-2-octadecanoyloxy-propyl] 2-(tri...

MacromoleculeName: [(2R)-3-[(E)-hexadec-9-enoyl]oxy-2-octadecanoyloxy-propyl] 2-(trimethylazaniumyl)ethyl phosphate
type: ligand / ID: 6 / Number of copies: 2 / Formula: A1LYA
Molecular weightTheoretical: 760.076 Da

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: OTHER
Electron opticsIllumination mode: OTHER / Imaging mode: OTHER / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.0 µm
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 64.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: OTHER
Details: GPR156: AlphaFold2 G-protein and scFv16: 7UM5 (PDB)
Initial angle assignmentType: OTHER
Final angle assignmentType: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.33 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 205728

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