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Open data
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Basic information
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Title | Cryo-EM structure of human GPR156-Gi3 complex | |||||||||
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![]() | GPCR / class C / GPR156 / cryo-EM / homodimer / active state / MEMBRANE PROTEIN | |||||||||
Function / homology | ![]() stereocilium bundle organization / G protein-coupled GABA receptor activity / G protein-coupled receptor heterodimeric complex / negative regulation of adenylate cyclase activity / G-protein activation / Activation of the phototransduction cascade / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PI3Kgamma ...stereocilium bundle organization / G protein-coupled GABA receptor activity / G protein-coupled receptor heterodimeric complex / negative regulation of adenylate cyclase activity / G-protein activation / Activation of the phototransduction cascade / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Ca2+ pathway / G alpha (z) signalling events / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / G alpha (q) signalling events / GTP metabolic process / G alpha (i) signalling events / gamma-aminobutyric acid signaling pathway / Thrombin signalling through proteinase activated receptors (PARs) / Activation of G protein gated Potassium channels / G-protein activation / G beta:gamma signalling through PI3Kgamma / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through PLC beta / ADP signalling through P2Y purinoceptor 1 / Thromboxane signalling through TP receptor / Presynaptic function of Kainate receptors / G beta:gamma signalling through CDC42 / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Glucagon-type ligand receptors / G alpha (12/13) signalling events / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Adrenaline,noradrenaline inhibits insulin secretion / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Thrombin signalling through proteinase activated receptors (PARs) / Ca2+ pathway / G alpha (z) signalling events / Extra-nuclear estrogen signaling / G alpha (s) signalling events / G alpha (q) signalling events / photoreceptor outer segment membrane / spectrin binding / G alpha (i) signalling events / G protein-coupled dopamine receptor signaling pathway / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / alkylglycerophosphoethanolamine phosphodiesterase activity / positive regulation of macroautophagy / photoreceptor outer segment / Adenylate cyclase inhibitory pathway / cardiac muscle cell apoptotic process / photoreceptor inner segment / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / G protein-coupled receptor binding / G-protein beta/gamma-subunit complex binding / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / ADP signalling through P2Y purinoceptor 12 / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / adenylate cyclase-activating dopamine receptor signaling pathway / GDP binding / GPER1 signaling / sensory perception of taste / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / signaling receptor complex adaptor activity / GTPase binding / retina development in camera-type eye / positive regulation of cytosolic calcium ion concentration / cell body / midbody / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (i) signalling events / G alpha (s) signalling events / cellular response to hypoxia / cell population proliferation / Extra-nuclear estrogen signaling / G protein-coupled receptor signaling pathway / lysosomal membrane / cell division / GTPase activity / centrosome / dendrite / synapse / protein-containing complex binding / GTP binding / nucleolus / Golgi apparatus / extracellular exosome / nucleoplasm / membrane Similarity search - Function | |||||||||
Biological species | ![]() ![]() ![]() ![]() ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.4 Å | |||||||||
![]() | Ma XY / Chen LN / Liao MH / Zhang LY / Xi K / Guo JM | |||||||||
Funding support | 1 items
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![]() | ![]() Title: Molecular insights into the activation mechanism of GPR156 in maintaining auditory function. Authors: Xiangyu Ma / Li-Nan Chen / Menghui Liao / Liyan Zhang / Kun Xi / Jiamin Guo / Cangsong Shen / Dan-Dan Shen / Pengjun Cai / Qingya Shen / Jieyu Qi / Huibing Zhang / Shao-Kun Zang / Ying-Jun ...Authors: Xiangyu Ma / Li-Nan Chen / Menghui Liao / Liyan Zhang / Kun Xi / Jiamin Guo / Cangsong Shen / Dan-Dan Shen / Pengjun Cai / Qingya Shen / Jieyu Qi / Huibing Zhang / Shao-Kun Zang / Ying-Jun Dong / Luwei Miao / Jiao Qin / Su-Yu Ji / Yue Li / Jianfeng Liu / Chunyou Mao / Yan Zhang / Renjie Chai / ![]() Abstract: The class C orphan G-protein-coupled receptor (GPCR) GPR156, which lacks the large extracellular region, plays a pivotal role in auditory function through G. Here, we firstly demonstrate that GPR156 ...The class C orphan G-protein-coupled receptor (GPCR) GPR156, which lacks the large extracellular region, plays a pivotal role in auditory function through G. Here, we firstly demonstrate that GPR156 with high constitutive activity is essential for maintaining auditory function, and further reveal the structural basis of the sustained role of GPR156. We present the cryo-EM structures of human apo GPR156 and the GPR156-G complex, unveiling a small extracellular region formed by extracellular loop 2 (ECL2) and the N-terminus. The GPR156 dimer in both apo state and G protein-coupled state adopt a transmembrane (TM)5/6-TM5/6 interface, indicating the high constitutive activity of GPR156 in the apo state. Furthermore, C-terminus in G-bound subunit of GPR156 plays a dual role in promoting G protein binding within G-bound subunit while preventing the G-free subunit from binding to additional G protein. Together, these results explain how GPR156 constitutive activity is maintained through dimerization and provide a mechanistic insight into the sustained role of GPR156 in maintaining auditory function. | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 31.9 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 20.4 KB 20.4 KB | Display Display | ![]() |
Images | ![]() | 96.4 KB | ||
Filedesc metadata | ![]() | 6.6 KB | ||
Others | ![]() ![]() | 59.4 MB 59.4 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 804.8 KB | Display | ![]() |
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Full document | ![]() | 804.3 KB | Display | |
Data in XML | ![]() | 12.3 KB | Display | |
Data in CIF | ![]() | 14.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8yk0MC ![]() 8yjpC C: citing same article ( M: atomic model generated by this map |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.93 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: #1
File | emd_39356_half_map_1.map | ||||||||||||
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Density Histograms |
-Half map: #2
File | emd_39356_half_map_2.map | ||||||||||||
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Density Histograms |
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Sample components
-Entire : GPR156-Gi3 complex
Entire | Name: GPR156-Gi3 complex |
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Components |
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-Supramolecule #1: GPR156-Gi3 complex
Supramolecule | Name: GPR156-Gi3 complex / type: organelle_or_cellular_component / ID: 1 / Parent: 0 / Macromolecule list: #1-#4 |
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Source (natural) | Organism: ![]() |
-Macromolecule #1: Probable G-protein coupled receptor 156
Macromolecule | Name: Probable G-protein coupled receptor 156 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 32.797066 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: RPLHDLCKTT ITSSHHSSKT ISSLSPVLLG IVWTFLSCGL LLILFFLAFT IHCRKNRIVK MSSPNLNIVT LLGSCLTYSS AYLFGIQDV LVGSSMETLI QTRLSMLCIG TSLVFGPILG KSWRLYKVFT QRVPDKRVII KDLQLLGLVA ALLMADVILL M TWVLTDPI ...String: RPLHDLCKTT ITSSHHSSKT ISSLSPVLLG IVWTFLSCGL LLILFFLAFT IHCRKNRIVK MSSPNLNIVT LLGSCLTYSS AYLFGIQDV LVGSSMETLI QTRLSMLCIG TSLVFGPILG KSWRLYKVFT QRVPDKRVII KDLQLLGLVA ALLMADVILL M TWVLTDPI QCLQILSVSM TVTGKDVSCT STSTHFCASR YSDVWIALIW GCKGLLLLYG AYLAGLTGHV SSPPVNQSLT IM VGVNLLV LAAGLLFVVT RYLHSWPNLV FGLTSGGIFV CTTTINCFIF IPQLKQWKAF E UniProtKB: Probable G-protein coupled receptor 156 |
-Macromolecule #2: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
Macromolecule | Name: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 37.198656 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLVS ASQDGKLIIW DSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG HTGYLSCCRF LDDNQIVTSS G DTTCALWD ...String: ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLVS ASQDGKLIIW DSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG HTGYLSCCRF LDDNQIVTSS G DTTCALWD IETGQQTTTF TGHTGDVMSL SLAPDTRLFV SGACDASAKL WDVREGMCRQ TFTGHESDIN AICFFPNGNA FA TGSDDAT CRLFDLRADQ ELMTYSHDNI ICGITSVSFS KSGRLLLAGY DDFNCNVWDA LKADRAGVLA GHDNRVSCLG VTD DGMAVA TGSWDSFLKI WN UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 |
-Macromolecule #3: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Macromolecule | Name: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 6.28924 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: ASIAQARKLV EQLKMEANID RIKVSKAAAD LMAYCEAHAK EDPLLTPVPA SENPFRE UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 |
-Macromolecule #4: Guanine nucleotide-binding protein G(i) subunit alpha-3
Macromolecule | Name: Guanine nucleotide-binding protein G(i) subunit alpha-3 type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 40.078512 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: SAEDKAAVER SKMIDRNLRE DGEKAAKEVK LLLLGAGESG KNTIVKQMKI IHEDGYSEDE CKQYKVVVYS NTIQSIIAII RAMGRLKID FGEAARADDA RQLFVLAGSA EEGVMTPELA GVIKRLWRDG GVQACFSRSR EYQLNDSASY YLNDLDRISQ S NYIPTQQD ...String: SAEDKAAVER SKMIDRNLRE DGEKAAKEVK LLLLGAGESG KNTIVKQMKI IHEDGYSEDE CKQYKVVVYS NTIQSIIAII RAMGRLKID FGEAARADDA RQLFVLAGSA EEGVMTPELA GVIKRLWRDG GVQACFSRSR EYQLNDSASY YLNDLDRISQ S NYIPTQQD VLRTRVKTTG IVETHFTFKD LYFKMFDVGA QRSERKKWIH CFEGVTAIIF CVALSDYDLV LAEDEEMNRM HA SMKLFDS ICNNKWFTET SIILFLNKKD LFEEKIKRSP LTICYPEYTG SNTYEEAAAY IQCQFEDLNR RKDTKEIYTH FTC STDTKN VQFVFDAVTD VIIKNNLKEC GLY UniProtKB: Guanine nucleotide-binding protein G(i) subunit alpha-3 |
-Macromolecule #5: Probable G-protein coupled receptor 156
Macromolecule | Name: Probable G-protein coupled receptor 156 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 35.083629 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: RPLHDLCKTT ITSSHHSSKT ISSLSPVLLG IVWTFLSCGL LLILFFLAFT IHCRKNRIVK MSSPNLNIVT LLGSCLTYSS AYLFGIQDV LVGSSMETLI QTRLSMLCIG TSLVFGPILG KSWRLYKVFT QRVPDKRVII KDLQLLGLVA ALLMADVILL M TWVLTDPI ...String: RPLHDLCKTT ITSSHHSSKT ISSLSPVLLG IVWTFLSCGL LLILFFLAFT IHCRKNRIVK MSSPNLNIVT LLGSCLTYSS AYLFGIQDV LVGSSMETLI QTRLSMLCIG TSLVFGPILG KSWRLYKVFT QRVPDKRVII KDLQLLGLVA ALLMADVILL M TWVLTDPI QCLQILSVSM TVTGKDVSCT STSTHFCASR YSDVWIALIW GCKGLLLLYG AYLAGLTGHV SSPPVNQSLT IM VGVNLLV LAAGLLFVVT RYLHSWPNLV FGLTSGGIFV CTTTINCFIF IPQLKQWKAF EEENQTIRRM AKYFSTPNKS UniProtKB: Probable G-protein coupled receptor 156 |
-Macromolecule #6: (21R,24R,27S)-24,27,28-trihydroxy-18,24-dioxo-19,23,25-trioxa-24l...
Macromolecule | Name: (21R,24R,27S)-24,27,28-trihydroxy-18,24-dioxo-19,23,25-trioxa-24lambda~5~-phosphaoctacosan-21-yl (9Z)-octadec-9-enoate type: ligand / ID: 6 / Number of copies: 4 / Formula: MW9 |
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Molecular weight | Theoretical: 777.06 Da |
Chemical component information | ![]() ChemComp-MW9: |
-Macromolecule #7: CHOLESTEROL
Macromolecule | Name: CHOLESTEROL / type: ligand / ID: 7 / Number of copies: 11 / Formula: CLR |
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Molecular weight | Theoretical: 386.654 Da |
Chemical component information | ![]() ChemComp-CLR: |
-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: 7.5 |
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Vitrification | Cryogen name: ETHANE |
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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) / Average electron dose: 52.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 1.5 µm / Nominal defocus min: 0.7000000000000001 µm |
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
Startup model | Type of model: NONE |
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Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 2.4 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 1153971 |
Initial angle assignment | Type: RANDOM ASSIGNMENT |
Final angle assignment | Type: MAXIMUM LIKELIHOOD |