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Basic information
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Title | Cryo-EM structure of opioid receptor with biased agonist | |||||||||
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![]() | STRUCTURAL PROTEIN / SIGNALING PROTEIN | |||||||||
Function / homology | ![]() G protein-coupled enkephalin receptor activity / spine apparatus / G protein-coupled opioid receptor activity / negative regulation of adenylate cyclase-activating adrenergic receptor signaling pathway / G protein-coupled opioid receptor signaling pathway / negative regulation of calcium ion-dependent exocytosis / G protein-coupled adenosine receptor signaling pathway / negative regulation of adenylate cyclase activity / positive regulation of urine volume / receptor serine/threonine kinase binding ...G protein-coupled enkephalin receptor activity / spine apparatus / G protein-coupled opioid receptor activity / negative regulation of adenylate cyclase-activating adrenergic receptor signaling pathway / G protein-coupled opioid receptor signaling pathway / negative regulation of calcium ion-dependent exocytosis / G protein-coupled adenosine receptor signaling pathway / negative regulation of adenylate cyclase activity / positive regulation of urine volume / receptor serine/threonine kinase binding / positive regulation of neural precursor cell proliferation / negative regulation of synaptic transmission / cellular response to toxic substance / neuropeptide binding / eating behavior / gamma-aminobutyric acid signaling pathway / neuronal dense core vesicle / regulation of calcium ion transport / negative regulation of apoptotic signaling pathway / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / neuropeptide signaling pathway / negative regulation of protein-containing complex assembly / Adenylate cyclase inhibitory pathway / positive regulation of vascular associated smooth muscle cell proliferation / axon terminus / regulation of mitochondrial membrane potential / dendrite membrane / response to nutrient / hippocampal mossy fiber to CA3 synapse / Peptide ligand-binding receptors / positive regulation of superoxide anion generation / adult locomotory behavior / response to nicotine / Regulation of insulin secretion / G protein-coupled receptor binding / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / postsynaptic density membrane / cellular response to growth factor stimulus / 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 / G protein-coupled acetylcholine receptor signaling pathway / G-protein activation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / adenylate cyclase-activating G protein-coupled receptor signaling pathway / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through CDC42 / Glucagon signaling in metabolic regulation / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / ADP signalling through P2Y purinoceptor 12 / Sensory perception of sweet, bitter, and umami (glutamate) taste / photoreceptor disc membrane / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / synaptic vesicle membrane / G alpha (z) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1 / ADORA2B mediated anti-inflammatory cytokines production / G beta:gamma signalling through PI3Kgamma / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / adenylate cyclase-activating dopamine receptor signaling pathway / GPER1 signaling / Inactivation, recovery and regulation of the phototransduction cascade / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / G alpha (12/13) signalling events / sensory perception of taste / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / retina development in camera-type eye / presynaptic membrane / cell body / GTPase binding / Ca2+ pathway / midbody / fibroblast proliferation / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / response to ethanol / G alpha (i) signalling events / Interleukin-4 and Interleukin-13 signaling / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / cellular response to hypoxia / G alpha (q) signalling events / Ras protein signal transduction / Extra-nuclear estrogen signaling / neuron projection / cell population proliferation / positive regulation of ERK1 and ERK2 cascade / immune response Similarity search - Function | |||||||||
Biological species | ![]() ![]() ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.45 Å | |||||||||
![]() | Lin C / Chang Z | |||||||||
Funding support | 1 items
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![]() | ![]() Title: Cryo-EM structure of small-molecule agonist bound delta opioid receptor-G complex enables discovery of biased compound. Authors: Lin Cheng / Zhuang Miao / Sicen Liu / Zhe Li / Hong Fu / Chanjuan Xu / Shilong Hu / Chang Zhao / Yuxuan Liu / Tiantian Zhao / Wencheng Liu / Heli Wang / Runduo Liu / Wei Yan / Xiangdong Tang ...Authors: Lin Cheng / Zhuang Miao / Sicen Liu / Zhe Li / Hong Fu / Chanjuan Xu / Shilong Hu / Chang Zhao / Yuxuan Liu / Tiantian Zhao / Wencheng Liu / Heli Wang / Runduo Liu / Wei Yan / Xiangdong Tang / Jianfeng Liu / Zhenhua Shao / Bowen Ke / ![]() Abstract: Delta opioid receptor (δOR) plays a pivotal role in modulating human sensation and emotion. It is an attractive target for drug discovery since, unlike Mu opioid receptor, it is associated with low ...Delta opioid receptor (δOR) plays a pivotal role in modulating human sensation and emotion. It is an attractive target for drug discovery since, unlike Mu opioid receptor, it is associated with low risk of drug dependence. Despite its potential applications, the pharmacological properties of δOR, including the mechanisms of activation by small-molecule agonists and the complex signaling pathways it engages, as well as their relation to the potential side effects, remain poorly understood. In this study, we use cryo-electron microscopy (cryo-EM) to determine the structure of the δOR-G complex when bound to a small-molecule agonist (ADL5859). Moreover, we design a series of probes to examine the key receptor-ligand interaction site and identify a region involved in signaling bias. Using ADL06 as a chemical tool, we elucidate the relationship between the β-arrestin pathway of the δOR and its biological functions, such as analgesic tolerance and convulsion activities. Notably, we discover that the β-arrestin recruitment of δOR might be linked to reduced gastrointestinal motility. These insights enhance our understanding of δOR's structure, signaling pathways, and biological functions, paving the way for the structure-based drug discovery. | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 59.7 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 21.8 KB 21.8 KB | Display Display | ![]() |
Images | ![]() | 33.4 KB | ||
Filedesc metadata | ![]() | 6.9 KB | ||
Others | ![]() ![]() | 59.5 MB 59.5 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 1.1 MB | Display | ![]() |
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Full document | ![]() | 1.1 MB | Display | |
Data in XML | ![]() | 12.2 KB | Display | |
Data in CIF | ![]() | 14.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8y45MC M: atomic model generated by this map C: citing same article ( |
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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: 0.85 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: #2
File | emd_38909_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_38909_half_map_2.map | ||||||||||||
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Density Histograms |
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Sample components
-Entire : Cryo-EM structure of opioid receptor with biased agonist
Entire | Name: Cryo-EM structure of opioid receptor with biased agonist |
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Components |
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-Supramolecule #1: Cryo-EM structure of opioid receptor with biased agonist
Supramolecule | Name: Cryo-EM structure of opioid receptor with biased agonist type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2, #5, #3-#4 |
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Source (natural) | Organism: ![]() |
-Macromolecule #1: Delta-type opioid receptor
Macromolecule | Name: Delta-type opioid receptor / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 36.17398 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: DYKDDDDAGP PGARSASSLA LAIAITALYS AVCAVGLLGN VLVMFGIVRY TKMKTATNIY IFNLALADAL ATSTLPFQSA KYLMETWPF GELLCKAVLS IDYYNMFTSI FTLTMMSVDR YIAVCHPVKA LDFRTPAKAK LINICIWVLA SGVGVPIMVM A VTRPRDGA ...String: DYKDDDDAGP PGARSASSLA LAIAITALYS AVCAVGLLGN VLVMFGIVRY TKMKTATNIY IFNLALADAL ATSTLPFQSA KYLMETWPF GELLCKAVLS IDYYNMFTSI FTLTMMSVDR YIAVCHPVKA LDFRTPAKAK LINICIWVLA SGVGVPIMVM A VTRPRDGA VVCMLQFPSP SWYWDTVTKI CVFLFAFVVP ILIITVCYGL MLLRLRSVRL LSGSKEKDRS LRRITRMVLV VV GAFVVCW APIHIFVIVW TLVDIDRRDP LVVAALHLCI ALGYANSSLN PVLYAFLDEN FKRCFRQLCR KPCGRPDPSS FSR AREAT UniProtKB: Delta-type opioid receptor |
-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: 39.33602 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MPPHHHHLEV LFQGPGSSGS ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLV SASQDGKLII WDSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG H TGYLSCCR ...String: MPPHHHHLEV 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 |
-Macromolecule #3: Guanine nucleotide-binding protein G(i) subunit alpha-2
Macromolecule | Name: Guanine nucleotide-binding protein G(i) subunit alpha-2 type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 40.516891 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MGCTLSAEDK AAAERSKMID KNLREDGEKA AREVKLLLLG AGESGKNTIV KQMKIIHEDG YSEEECRQYR AVVYSNTIQS IMAIVKAMG NLQIDFADPS RADDARQLFA LSCTAEEQGV LPDDLSGVIR RLWADHGVQA CFGRSREYQL NDSAAYYLND L ERIAQSDY ...String: MGCTLSAEDK AAAERSKMID KNLREDGEKA AREVKLLLLG AGESGKNTIV KQMKIIHEDG YSEEECRQYR AVVYSNTIQS IMAIVKAMG NLQIDFADPS RADDARQLFA LSCTAEEQGV LPDDLSGVIR RLWADHGVQA CFGRSREYQL NDSAAYYLND L ERIAQSDY IPTQQDVLRT RVKTTGIVET HFTFKDLHFK MFDVGAQRSE RKKWIHCFEG VTAIIFCVAL SAYDLVLAED EE MNRMHAS MKLFDSICNN KWFTDTSIIL FLNKKDLFEE KITHSPLTIC FPEYTGANKY DEAASYIQSK FEDLNKRKDT KEI YTHFTC STDTKNVQFV FDAVTDVIIK NNLKDCGLF UniProtKB: Guanine nucleotide-binding protein G(i) subunit alpha-2 |
-Macromolecule #4: scFv16
Macromolecule | Name: scFv16 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 28.636793 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS ...String: DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS NGNTYLYWFL QRPGQSPQLL IYRMSNLASG VPDRFSGSGS GTAFTLTISR LEAEDVGVYY CMQHLEYPLT FG AGTKLEL KAAAENLYFQ GHHHHHHHH |
-Macromolecule #5: 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: 5 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 7.861143 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI L UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 |
-Macromolecule #6: ~{N},~{N}-diethyl-4-(5-oxidanylspiro[chromene-2,4'-piperidine]-4-...
Macromolecule | Name: ~{N},~{N}-diethyl-4-(5-oxidanylspiro[chromene-2,4'-piperidine]-4-yl)benzamide type: ligand / ID: 6 / Number of copies: 1 / Formula: A1LXY |
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Molecular weight | Theoretical: 392.491 Da |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | cell |
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Sample preparation
Buffer | pH: 7.5 |
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Vitrification | Cryogen name: PROPANE |
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Electron microscopy
Microscope | FEI TECNAI SPIRIT |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 65.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.8 µm / Nominal defocus min: 1.0 µm |
Experimental equipment | ![]() Model: Tecnai Spirit / Image courtesy: FEI Company |