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- PDB-7ld3: Cryo-EM structure of the human adenosine A1 receptor-Gi2-protein ... -

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Basic information

Entry
Database: PDB / ID: 7ld3
TitleCryo-EM structure of the human adenosine A1 receptor-Gi2-protein complex bound to its endogenous agonist and an allosteric ligand
Components
  • (Guanine nucleotide-binding protein ...) x 3
  • Chimera protein of Muscarinic acetylcholine receptor M4 and Adenosine receptor A1
KeywordsSIGNALING PROTEIN / membrane protein / active-state G protein-coupled receptor / adenosine A1 receptor / PAM / allosteric modulator
Function / homology
Function and homology information


positive regulation of nucleoside transport / negative regulation of neurotrophin production / negative regulation of circadian sleep/wake cycle, non-REM sleep / regulation of glomerular filtration / G protein-coupled purinergic nucleotide receptor signaling pathway / purine nucleoside binding / negative regulation of mucus secretion / positive regulation of peptide secretion / negative regulation of glutamate secretion / negative regulation of synaptic transmission, GABAergic ...positive regulation of nucleoside transport / negative regulation of neurotrophin production / negative regulation of circadian sleep/wake cycle, non-REM sleep / regulation of glomerular filtration / G protein-coupled purinergic nucleotide receptor signaling pathway / purine nucleoside binding / negative regulation of mucus secretion / positive regulation of peptide secretion / negative regulation of glutamate secretion / negative regulation of synaptic transmission, GABAergic / negative regulation of long-term synaptic depression / Muscarinic acetylcholine receptors / positive regulation of lipid catabolic process / positive regulation of dephosphorylation / G protein-coupled acetylcholine receptor activity / negative regulation of adenylate cyclase-activating adrenergic receptor signaling pathway / negative regulation of hormone secretion / negative regulation of leukocyte migration / mucus secretion / Adenosine P1 receptors / heterotrimeric G-protein binding / regulation of sensory perception of pain / G protein-coupled adenosine receptor activity / regulation of respiratory gaseous exchange by nervous system process / response to purine-containing compound / negative regulation of calcium ion-dependent exocytosis / regulation of presynaptic cytosolic calcium ion concentration / G protein-coupled adenosine receptor signaling pathway / adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathway / negative regulation of adenylate cyclase activity / positive regulation of potassium ion transport / positive regulation of urine volume / positive regulation of neural precursor cell proliferation / negative regulation of synaptic transmission / negative regulation of systemic arterial blood pressure / negative regulation of synaptic transmission, glutamatergic / regulation of cardiac muscle cell contraction / long-term synaptic depression / protein targeting to membrane / triglyceride homeostasis / leukocyte migration / regulation of locomotion / temperature homeostasis / gamma-aminobutyric acid signaling pathway / neuronal dense core vesicle / detection of temperature stimulus involved in sensory perception of pain / positive regulation of systemic arterial blood pressure / negative regulation of acute inflammatory response / presynaptic active zone / regulation of calcium ion transport / negative regulation of apoptotic signaling pathway / negative regulation of long-term synaptic potentiation / axolemma / asymmetric synapse / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / fatty acid homeostasis / phagocytosis / negative regulation of lipid catabolic process / Adenylate cyclase inhibitory pathway / lipid catabolic process / positive regulation of vascular associated smooth muscle cell proliferation / heat shock protein binding / response to nutrient / calyx of Held / hippocampal mossy fiber to CA3 synapse / positive regulation of superoxide anion generation / excitatory postsynaptic potential / Regulation of insulin secretion / apoptotic signaling pathway / G protein-coupled receptor binding / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / cognition / 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 / terminal bouton / 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 / G alpha (z) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / vasodilation / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1
Similarity search - Function
Adenosine A1 receptor / Muscarinic acetylcholine receptor M4 / Muscarinic acetylcholine receptor family / Adenosine receptor / G-protein alpha subunit, group I / YVTN repeat-like/Quinoprotein amine dehydrogenase / Serpentine type 7TM GPCR chemoreceptor Srsx / 7 Propeller / Methylamine Dehydrogenase; Chain H / Guanine nucleotide binding protein (G-protein), alpha subunit ...Adenosine A1 receptor / Muscarinic acetylcholine receptor M4 / Muscarinic acetylcholine receptor family / Adenosine receptor / G-protein alpha subunit, group I / YVTN repeat-like/Quinoprotein amine dehydrogenase / Serpentine type 7TM GPCR chemoreceptor Srsx / 7 Propeller / Methylamine Dehydrogenase; Chain H / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G-alpha domain profile. / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. / G-protein gamma-like domain / G-protein gamma-like domain superfamily / GGL domain / G protein gamma subunit-like motifs / GGL domain / G protein beta WD-40 repeat protein / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / G-protein coupled receptors family 1 signature. / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / 7 transmembrane receptor (rhodopsin family) / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / P-loop containing nucleoside triphosphate hydrolase / Mainly Beta
Similarity search - Domain/homology
ADENOSINE / Chem-XTD / Guanine nucleotide-binding protein G(i) subunit alpha-2 / Muscarinic acetylcholine receptor M4 / Adenosine receptor A1 / 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
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsDraper-Joyce, C.J. / Danev, R. / Thal, D.M. / Christopoulos, A. / Glukhova, A.
Funding support Australia, 2items
OrganizationGrant numberCountry
National Health and Medical Research Council (NHMRC, Australia) Australia
Australian Research Council (ARC) Australia
CitationJournal: Nature / Year: 2021
Title: Positive allosteric mechanisms of adenosine A receptor-mediated analgesia.
Authors: Christopher J Draper-Joyce / Rebecca Bhola / Jinan Wang / Apurba Bhattarai / Anh T N Nguyen / India Cowie-Kent / Kelly O'Sullivan / Ling Yeong Chia / Hariprasad Venugopal / Celine Valant / ...Authors: Christopher J Draper-Joyce / Rebecca Bhola / Jinan Wang / Apurba Bhattarai / Anh T N Nguyen / India Cowie-Kent / Kelly O'Sullivan / Ling Yeong Chia / Hariprasad Venugopal / Celine Valant / David M Thal / Denise Wootten / Nicolas Panel / Jens Carlsson / Macdonald J Christie / Paul J White / Peter Scammells / Lauren T May / Patrick M Sexton / Radostin Danev / Yinglong Miao / Alisa Glukhova / Wendy L Imlach / Arthur Christopoulos /
Abstract: The adenosine A receptor (AR) is a promising therapeutic target for non-opioid analgesic agents to treat neuropathic pain. However, development of analgesic orthosteric AR agonists has failed because ...The adenosine A receptor (AR) is a promising therapeutic target for non-opioid analgesic agents to treat neuropathic pain. However, development of analgesic orthosteric AR agonists has failed because of a lack of sufficient on-target selectivity as well as off-tissue adverse effects. Here we show that [2-amino-4-(3,5-bis(trifluoromethyl)phenyl)thiophen-3-yl)(4-chlorophenyl)methanone] (MIPS521), a positive allosteric modulator of the AR, exhibits analgesic efficacy in rats in vivo through modulation of the increased levels of endogenous adenosine that occur in the spinal cord of rats with neuropathic pain. We also report the structure of the AR co-bound to adenosine, MIPS521 and a G heterotrimer, revealing an extrahelical lipid-detergent-facing allosteric binding pocket that involves transmembrane helixes 1, 6 and 7. Molecular dynamics simulations and ligand kinetic binding experiments support a mechanism whereby MIPS521 stabilizes the adenosine-receptor-G protein complex. This study provides proof of concept for structure-based allosteric drug design of non-opioid analgesic agents that are specific to disease contexts.
History
DepositionJan 12, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 8, 2021Provider: repository / Type: Initial release
Revision 1.1Oct 13, 2021Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2Nov 13, 2024Group: Data collection / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _em_admin.last_update / _pdbx_entry_details.has_protein_modification

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Structure visualization

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Assembly

Deposited unit
A: Guanine nucleotide-binding protein G(i) subunit alpha-2
R: Chimera protein of Muscarinic acetylcholine receptor M4 and Adenosine receptor A1
B: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
G: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)130,8766
Polymers130,1594
Non-polymers7172
Water181
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Guanine nucleotide-binding protein ... , 3 types, 3 molecules ABG

#1: Protein Guanine nucleotide-binding protein G(i) subunit alpha-2 / Adenylate cyclase-inhibiting G alpha protein


Mass: 40502.863 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNAI2, GNAI2B / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P04899
#3: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Transducin beta chain 1


Mass: 38534.062 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNB1 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P62873
#4: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / G gamma-I


Mass: 7861.143 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNG2 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P59768

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Protein , 1 types, 1 molecules R

#2: Protein Chimera protein of Muscarinic acetylcholine receptor M4 and Adenosine receptor A1


Mass: 43261.020 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CHRM4, ADORA1 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P08173, UniProt: P30542

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Non-polymers , 3 types, 3 molecules

#5: Chemical ChemComp-ADN / ADENOSINE


Mass: 267.241 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H13N5O4
#6: Chemical ChemComp-XTD / {2-amino-4-[3,5-bis(trifluoromethyl)phenyl]thiophen-3-yl}(4-chlorophenyl)methanone


Mass: 449.797 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C19H10ClF6NOS / Feature type: SUBJECT OF INVESTIGATION
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Human adenosine A1 receptor-Gi2-protein complex bound to its endogenous agonist adenosine
Type: COMPLEX / Entity ID: #1-#4 / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Trichoplusia ni (cabbage looper)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE-PROPANE / Humidity: 100 % / Chamber temperature: 277 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: OTHER
Electron lensMode: BRIGHT FIELD
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingAverage exposure time: 8 sec. / Electron dose: 50 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K3 (6k x 4k)
Image scansWidth: 3838 / Height: 3710 / Movie frames/image: 50

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 683928 / Symmetry type: POINT

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