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- PDB-8sl4: Dimeric form of human adenylyl cyclase 5 -

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Basic information

Entry
Database: PDB / ID: 8sl4
TitleDimeric form of human adenylyl cyclase 5
ComponentsAdenylate cyclase type 5
KeywordsSIGNALING PROTEIN / Adenylyl cyclase
Function / homology
Function and homology information


Adenylate cyclase activating pathway / adenylate cyclase-inhibiting dopamine receptor signaling pathway / G protein-coupled adenosine receptor signaling pathway / adenylate cyclase / regulation of insulin secretion involved in cellular response to glucose stimulus / cAMP biosynthetic process / adenylate cyclase activity / PKA activation / PKA activation in glucagon signalling / neuromuscular process controlling balance ...Adenylate cyclase activating pathway / adenylate cyclase-inhibiting dopamine receptor signaling pathway / G protein-coupled adenosine receptor signaling pathway / adenylate cyclase / regulation of insulin secretion involved in cellular response to glucose stimulus / cAMP biosynthetic process / adenylate cyclase activity / PKA activation / PKA activation in glucagon signalling / neuromuscular process controlling balance / adenylate cyclase binding / Adenylate cyclase inhibitory pathway / Hedgehog 'off' state / cellular response to forskolin / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / FCGR3A-mediated IL10 synthesis / locomotory behavior / cilium / adenylate cyclase-activating G protein-coupled receptor signaling pathway / Glucagon signaling in metabolic regulation / 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 / ADORA2B mediated anti-inflammatory cytokines production / adenylate cyclase-activating dopamine receptor signaling pathway / GPER1 signaling / G alpha (i) signalling events / positive regulation of cytosolic calcium ion concentration / G alpha (s) signalling events / scaffold protein binding / intracellular signal transduction / ATP binding / membrane / metal ion binding / plasma membrane
Similarity search - Function
Adenylate cyclase, conserved domain / Adenylate cyclase / Adenylate cyclase, N-terminal / Adenylate cyclase, conserved domain / Adenylyl cyclase N-terminal extracellular and transmembrane region / Adenylyl cyclase class-4/guanylyl cyclase, conserved site / Guanylate cyclase signature. / Adenylyl- / guanylyl cyclase, catalytic domain / Adenylyl cyclase class-3/4/guanylyl cyclase / Adenylate and Guanylate cyclase catalytic domain ...Adenylate cyclase, conserved domain / Adenylate cyclase / Adenylate cyclase, N-terminal / Adenylate cyclase, conserved domain / Adenylyl cyclase N-terminal extracellular and transmembrane region / Adenylyl cyclase class-4/guanylyl cyclase, conserved site / Guanylate cyclase signature. / Adenylyl- / guanylyl cyclase, catalytic domain / Adenylyl cyclase class-3/4/guanylyl cyclase / Adenylate and Guanylate cyclase catalytic domain / Guanylate cyclase domain profile. / Nucleotide cyclase
Similarity search - Domain/homology
Adenylate cyclase type 5
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 7 Å
AuthorsYen, Y.C. / Tesmer, J.J.G.
Funding support United States, 5items
OrganizationGrant numberCountry
American Heart Association903842 United States
National Institutes of Health/National Cancer Institute (NIH/NCI)CA254402 United States
National Institutes of Health/National Cancer Institute (NIH/NCI)CA221289 United States
National Institutes of Health/National Cancer Institute (NIH/NCI)CA023168 United States
National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI)HL071818 United States
CitationJournal: Nat Struct Mol Biol / Year: 2024
Title: Structure of adenylyl cyclase 5 in complex with Gβγ offers insights into ADCY5-related dyskinesia.
Authors: Yu-Chen Yen / Yong Li / Chun-Liang Chen / Thomas Klose / Val J Watts / Carmen W Dessauer / John J G Tesmer /
Abstract: The nine different membrane-anchored adenylyl cyclase isoforms (AC1-9) in mammals are stimulated by the heterotrimeric G protein, Gα, but their response to Gβγ regulation is isoform specific. In ...The nine different membrane-anchored adenylyl cyclase isoforms (AC1-9) in mammals are stimulated by the heterotrimeric G protein, Gα, but their response to Gβγ regulation is isoform specific. In the present study, we report cryo-electron microscope structures of ligand-free AC5 in complex with Gβγ and a dimeric form of AC5 that could be involved in its regulation. Gβγ binds to a coiled-coil domain that links the AC transmembrane region to its catalytic core as well as to a region (C) that is known to be a hub for isoform-specific regulation. We confirmed the Gβγ interaction with both purified proteins and cell-based assays. Gain-of-function mutations in AC5 associated with human familial dyskinesia are located at the interface of AC5 with Gβγ and show reduced conditional activation by Gβγ, emphasizing the importance of the observed interaction for motor function in humans. We propose a molecular mechanism wherein Gβγ either prevents dimerization of AC5 or allosterically modulates the coiled-coil domain, and hence the catalytic core. As our mechanistic understanding of how individual AC isoforms are uniquely regulated is limited, studies such as this may provide new avenues for isoform-specific drug development.
History
DepositionApr 20, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 3, 2024Provider: repository / Type: Initial release
Revision 1.1May 1, 2024Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _citation_author.identifier_ORCID / _citation_author.name

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Adenylate cyclase type 5
B: Adenylate cyclase type 5


Theoretical massNumber of molelcules
Total (without water)278,1332
Polymers278,1332
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Adenylate cyclase type 5 / ATP pyrophosphate-lyase 5 / Adenylate cyclase type V / Adenylyl cyclase 5 / AC5


Mass: 139066.312 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ADCY5 / Production host: Mammalia (mammals) / References: UniProt: O95622, adenylate cyclase

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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: Dimeric form of human adenylyl cyclase 5 / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Molecular weightValue: 0.28 MDa / Experimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Mammalia (mammals)
Buffer solutionpH: 7.4
Buffer component
IDConc.NameFormulaBuffer-ID
1137 mMSodium ChlorideNaClSodium chloride1
22.7 mMPotassium ChlorideKCl1
38 mMSodium hydrogen PhosphateNa2HPO41
42 mMPotassium dihydrogen phosphateKH2PO41
50.025 %glyco-diosgeninC56H92O251
SpecimenConc.: 0.2 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid type: Quantifoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / 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: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 3000 nm / Nominal defocus min: 1000 nm / Cs: 2.7 mm / C2 aperture diameter: 100 µm
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingElectron dose: 53.8 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

EM software
IDNameCategory
2Leginonimage acquisition
4cryoSPARCCTF correction
10cryoSPARCinitial Euler assignment
11cryoSPARCfinal Euler assignment
13cryoSPARC3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 102581 / Symmetry type: POINT

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