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- PDB-8soe: Phosphoinositide phosphate 3 kinase gamma bound with ADP and two ... -

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Basic information

Entry
Database: PDB / ID: 8soe
TitlePhosphoinositide phosphate 3 kinase gamma bound with ADP and two Gbetagamma subunits in State 2
Components
  • 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
  • Phosphoinositide 3-kinase regulatory subunit 5
  • phosphatidylinositol-4,5-bisphosphate 3-kinase
KeywordsSIGNALING PROTEIN / Phosphoinositide 3-Kinase / Chemotaxis / Cancer
Function / homology
Function and homology information


Olfactory Signaling Pathway / Sensory perception of sweet, bitter, and umami (glutamate) taste / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / 1-phosphatidylinositol-3-kinase regulator activity / Activation of the phototransduction cascade / phosphatidylinositol 3-kinase complex, class IB / Activation of G protein gated Potassium channels / G-protein activation / G beta:gamma signalling through PI3Kgamma / Prostacyclin signalling through prostacyclin receptor ...Olfactory Signaling Pathway / Sensory perception of sweet, bitter, and umami (glutamate) taste / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / 1-phosphatidylinositol-3-kinase regulator activity / Activation of the phototransduction cascade / phosphatidylinositol 3-kinase complex, class IB / 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 / G alpha (12/13) signalling events / Glucagon-type ligand receptors / G beta:gamma signalling through BTK / phosphatidylinositol-4,5-bisphosphate 3-kinase / ADP signalling through P2Y purinoceptor 12 / Adrenaline,noradrenaline inhibits insulin secretion / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Ca2+ pathway / Thrombin signalling through proteinase activated receptors (PARs) / G alpha (z) signalling events / Extra-nuclear estrogen signaling / G alpha (s) signalling events / G alpha (q) signalling events / G alpha (i) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / Vasopressin regulates renal water homeostasis via Aquaporins / phosphatidylinositol phosphate biosynthetic process / photoreceptor disc membrane / kinase activity / cellular response to catecholamine stimulus / adenylate cyclase-activating dopamine receptor signaling pathway / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / sensory perception of taste / signaling receptor complex adaptor activity / GTPase binding / retina development in camera-type eye / phospholipase C-activating G protein-coupled receptor signaling pathway / cell population proliferation / G protein-coupled receptor signaling pathway / GTPase activity / synapse / protein-containing complex binding / ATP binding / nucleus / membrane / plasma membrane / cytoplasm
Similarity search - Function
Phosphoinositide 3-kinase regulatory subunit 5/6 / Phosphoinositide 3-kinase gamma adapter protein p101 subunit / PIK3 catalytic subunit gamma, adaptor-binding domain / PIK3 catalytic subunit gamma adaptor-binding domain / Phosphatidylinositol 3-kinase, adaptor-binding domain / Phosphatidylinositol 3-kinase adaptor-binding (PI3K ABD) domain profile. / PI3-kinase family, Ras-binding domain / Phosphatidylinositol 3-kinase Ras-binding (PI3K RBD) domain / PI3-kinase family, ras-binding domain / Phosphatidylinositol 3-kinase Ras-binding (PI3K RBD) domain profile. ...Phosphoinositide 3-kinase regulatory subunit 5/6 / Phosphoinositide 3-kinase gamma adapter protein p101 subunit / PIK3 catalytic subunit gamma, adaptor-binding domain / PIK3 catalytic subunit gamma adaptor-binding domain / Phosphatidylinositol 3-kinase, adaptor-binding domain / Phosphatidylinositol 3-kinase adaptor-binding (PI3K ABD) domain profile. / PI3-kinase family, Ras-binding domain / Phosphatidylinositol 3-kinase Ras-binding (PI3K RBD) domain / PI3-kinase family, ras-binding domain / Phosphatidylinositol 3-kinase Ras-binding (PI3K RBD) domain profile. / C2 phosphatidylinositol 3-kinase-type domain / Phosphoinositide 3-kinase C2 / C2 phosphatidylinositol 3-kinase (PI3K)-type domain profile. / Phosphoinositide 3-kinase, region postulated to contain C2 domain / Phosphoinositide 3-kinase family, accessory domain (PIK domain) / Phosphoinositide 3-kinase family, accessory domain (PIK domain) / Phosphoinositide 3-kinase, accessory (PIK) domain superfamily / Phosphoinositide 3-kinase, accessory (PIK) domain / Phosphatidylinositol kinase / PIK helical domain profile. / Phosphatidylinositol 3- and 4-kinases signature 1. / Phosphatidylinositol 3/4-kinase, conserved site / Phosphatidylinositol 3- and 4-kinases signature 2. / Phosphatidylinositol 3-/4-kinase, catalytic domain superfamily / Phosphoinositide 3-kinase, catalytic domain / Phosphatidylinositol 3- and 4-kinase / Phosphatidylinositol 3- and 4-kinases catalytic domain profile. / Phosphatidylinositol 3-/4-kinase, catalytic domain / C2 domain superfamily / 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 / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / Armadillo-type fold / Ubiquitin-like domain superfamily / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / WD domain, G-beta repeat / 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 / Protein kinase-like domain superfamily
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / Phosphoinositide 3-kinase regulatory subunit 5 / phosphatidylinositol-4,5-bisphosphate 3-kinase / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Similarity search - Component
Biological speciesBos taurus (domestic cattle)
Sus scrofa (pig)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.6 Å
AuthorsChen, C.-L. / Tesmer, J.J.G.
Funding support United States, 1items
OrganizationGrant numberCountry
American Heart Association834497 United States
CitationJournal: Nat Struct Mol Biol / Year: 2024
Title: Molecular basis for Gβγ-mediated activation of phosphoinositide 3-kinase γ.
Authors: Chun-Liang Chen / Ramizah Syahirah / Sandeep K Ravala / Yu-Chen Yen / Thomas Klose / Qing Deng / John J G Tesmer /
Abstract: The conversion of phosphatidylinositol 4,5-bisphosphate to phosphatidylinositol 3,4,5-triphosphate by phosphoinositide 3-kinase γ (PI3Kγ) is critical for neutrophil chemotaxis and cancer metastasis. ...The conversion of phosphatidylinositol 4,5-bisphosphate to phosphatidylinositol 3,4,5-triphosphate by phosphoinositide 3-kinase γ (PI3Kγ) is critical for neutrophil chemotaxis and cancer metastasis. PI3Kγ is activated by Gβγ heterodimers released from G protein-coupled receptors responding to extracellular signals. Here we determined cryo-electron microscopy structures of Sus scrofa PI3Kγ-human Gβγ complexes in the presence of substrates/analogs, revealing two Gβγ binding sites: one on the p110γ helical domain and another on the p101 C-terminal domain. Comparison with PI3Kγ alone reveals conformational changes in the kinase domain upon Gβγ binding that are similar to Ras·GTP-induced changes. Assays of variants perturbing the Gβγ binding sites and interdomain contacts altered by Gβγ binding suggest that Gβγ recruits the enzyme to membranes and allosterically regulates activity via both sites. Studies of zebrafish neutrophil migration align with these findings, paving the way for in-depth investigation of Gβγ-mediated activation mechanisms in this enzyme family and drug development for PI3Kγ.
History
DepositionApr 28, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 3, 2024Provider: repository / Type: Initial release
Revision 1.1Apr 17, 2024Group: Database references / Category: citation / citation_author
Item: _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Aug 28, 2024Group: Data collection / Database references / Category: citation / em_admin
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _em_admin.last_update
Revision 1.3Sep 4, 2024Group: Data collection / Database references / Category: citation_author / em_admin
Item: _citation_author.identifier_ORCID / _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
C: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
E: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
A: phosphatidylinositol-4,5-bisphosphate 3-kinase
B: Phosphoinositide 3-kinase regulatory subunit 5
D: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
F: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)318,6807
Polymers318,2536
Non-polymers4271
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Transducin beta chain 1


Mass: 37416.930 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bos taurus (domestic cattle) / Gene: GNB1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P62871
#2: Protein phosphatidylinositol-4,5-bisphosphate 3-kinase


Mass: 127573.531 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Sus scrofa (pig) / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: A0A8D1WUA4
#3: Protein Phosphoinositide 3-kinase regulatory subunit 5


Mass: 98497.773 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Sus scrofa (pig) / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: A0A8D0T2D6
#4: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / G gamma-I


Mass: 8673.959 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bos taurus (domestic cattle) / Gene: GNG2 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P63212
#5: Chemical ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Feature type: SUBJECT OF INVESTIGATION / Comment: ADP, energy-carrying molecule*YM
Has ligand of interestY

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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: PI3K-gamma-ADP bound with two Gbetagamma subunits in State 2
Type: COMPLEX / Entity ID: #1-#4 / Source: MULTIPLE SOURCES
Molecular weightValue: 210 kDa/nm / Experimental value: NO
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
21Sus scrofa (pig)9823
31Bos taurus (domestic cattle)9913
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm) / Cell: Sf9 / Plasmid: pfastbacdual
Buffer solutionpH: 8
Buffer component
IDConc.NameFormulaBuffer-ID
120 mM(4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid)C8H18N2O4S1
2200 mMSodium ChlorideNaCl1
310 mMMagnesium ChlorideMgCl21
41 mMADPC10H16N5O10P21
55 mMBeryllium FluorideBeF31
SpecimenConc.: 0.1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid type: UltrAuFoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K / Details: Blot force 2

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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 FIELD / Nominal magnification: 81000 X / Nominal defocus max: 3000 nm / Nominal defocus min: 1000 nm / Cs: 2.7 mm / C2 aperture diameter: 100 µm / Alignment procedure: COMA FREE
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Residual tilt: 0.01 mradians
Image recordingAverage exposure time: 3.12 sec. / Electron dose: 55 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)
Details: Images were collected in movie-mode at 40 frames per second
EM imaging opticsEnergyfilter name: GIF Quantum ER / Energyfilter slit width: 20 eV
Image scansWidth: 11520 / Height: 8184 / Movie frames/image: 40

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Processing

EM software
IDNameVersionCategory
1cryoSPARC3.3.1particle selection
2Leginonimage acquisition
4cryoSPARC3.3.1CTF correction
7UCSF Chimera1.15model fitting
8Coot9.6model fitting
10Coot9.6model refinement
11PHENIX1.20-4459model refinement
12cryoSPARC3.3.1initial Euler assignment
13cryoSPARC3.3.1final Euler assignment
14cryoSPARC3.3.1classification
15cryoSPARC3.3.13D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.6 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 181939 / Algorithm: BACK PROJECTION / Symmetry type: POINT
Atomic model buildingProtocol: AB INITIO MODEL / Space: REAL / Target criteria: correlation coefficient
Atomic model building

3D fitting-ID: 1

IDPDB-IDPdb chain-IDAccession codeChain-IDInitial refinement model-IDSource nameType
11e8xA1SwissModelin silico model
2BAlphaFoldin silico model
36C2Y

6c2y

B6C2YB3PDBexperimental model
46C2Y

6c2y

G6C2YG3PDBexperimental model
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00318142
ELECTRON MICROSCOPYf_angle_d0.61924574
ELECTRON MICROSCOPYf_dihedral_angle_d13.4346685
ELECTRON MICROSCOPYf_chiral_restr0.0422797
ELECTRON MICROSCOPYf_plane_restr0.013134

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