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- PDB-8iz4: Lysophosphatidylserine receptor GPR34-Gi complex -

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Basic information

Entry
Database: PDB / ID: 8iz4
TitleLysophosphatidylserine receptor GPR34-Gi complex
Components
  • (Guanine nucleotide-binding protein ...) x 3
  • Antibody fragment scFv16
  • Probable G-protein coupled receptor 34
KeywordsSIGNALING PROTEIN / Complex
Function / homology
Function and homology information


G protein-coupled purinergic nucleotide receptor activity / Adenylate cyclase inhibitory pathway / positive regulation of protein localization to cell cortex / T cell migration / D2 dopamine receptor binding / response to prostaglandin E / G protein-coupled serotonin receptor binding / adenylate cyclase-inhibiting serotonin receptor signaling pathway / adenylate cyclase regulator activity / regulation of mitotic spindle organization ...G protein-coupled purinergic nucleotide receptor activity / Adenylate cyclase inhibitory pathway / positive regulation of protein localization to cell cortex / T cell migration / D2 dopamine receptor binding / response to prostaglandin E / G protein-coupled serotonin receptor binding / adenylate cyclase-inhibiting serotonin receptor signaling pathway / adenylate cyclase regulator activity / regulation of mitotic spindle organization / cellular response to forskolin / Regulation of insulin secretion / G protein-coupled receptor binding / positive regulation of cholesterol biosynthetic process / G protein-coupled receptor activity / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / response to peptide hormone / 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 / 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 / ADORA2B mediated anti-inflammatory cytokines production / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1 / GDP binding / G beta:gamma signalling through PI3Kgamma / adenylate cyclase-activating dopamine receptor signaling pathway / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / 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) / G protein activity / GTPase binding / Ca2+ pathway / retina development in camera-type eye / cell cortex / midbody / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / fibroblast proliferation / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (i) signalling events / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / G alpha (s) signalling events / G alpha (q) signalling events / Ras protein signal transduction / Extra-nuclear estrogen signaling / cell population proliferation / G protein-coupled receptor signaling pathway / lysosomal membrane / cell division / GTPase activity / centrosome / synapse / protein-containing complex binding / nucleolus / GTP binding / magnesium ion binding / signal transduction / extracellular exosome / nucleoplasm / membrane / plasma membrane / cytosol / cytoplasm
Similarity search - Function
: / G-protein alpha subunit, group I / 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 alpha subunit, group I / 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 / 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. / WD domain, G-beta repeat / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
CHOLESTEROL / SERINE / : / 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 / Guanine nucleotide-binding protein G(i) subunit alpha-1 / Probable G-protein coupled receptor 34
Similarity search - Component
Biological speciesHomo sapiens (human)
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.93 Å
AuthorsGong, W. / Liu, G. / Li, X. / Zhang, X.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Structural mechanisms of ligand binding and signaling in lysophosphatidylserine receptors
Authors: Gong, W. / Liu, G. / Li, X. / Wang, Y. / Zhang, X.
History
DepositionApr 6, 2023Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Apr 10, 2024Provider: repository / Type: Initial release
Revision 1.1Oct 30, 2024Group: Data collection / Structure summary
Category: 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

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Guanine nucleotide-binding protein G(i) subunit alpha-1
B: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
C: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
E: Antibody fragment scFv16
R: Probable G-protein coupled receptor 34
hetero molecules


Theoretical massNumber of molelcules
Total (without water)182,2128
Polymers181,2815
Non-polymers9303
Water00
1


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

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Components

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

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


Mass: 40414.047 Da / Num. of mol.: 1 / Mutation: S47N,G203A,E245A,A326S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNAI1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P63096
#2: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1


Mass: 40845.559 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNB1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P62873
#3: 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: Spodoptera frugiperda (fall armyworm) / References: UniProt: P59768

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Antibody / Protein , 2 types, 2 molecules ER

#4: Antibody Antibody fragment scFv16


Mass: 27374.430 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) synthetic construct (others) / Production host: Trichoplusia ni (cabbage looper)
#5: Protein Probable G-protein coupled receptor 34


Mass: 64786.039 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GPR34 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q9UPC5

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Non-polymers , 3 types, 3 molecules

#6: Chemical ChemComp-TJR / [(2~{R})-2-oxidanyl-3-phosphonooxy-propyl] octadecanoate


Mass: 438.536 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C21H43O7P / Feature type: SUBJECT OF INVESTIGATION
#7: Chemical ChemComp-SER / SERINE


Type: L-peptide linking / Mass: 105.093 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H7NO3
#8: Chemical ChemComp-CLR / CHOLESTEROL


Mass: 386.654 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C27H46O

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Details

Has ligand of interestY
Has protein modificationY
Nonpolymer details1-stearoyl-2-hydroxy-sn-glycero-3-phospho-L-serine (18:0 LysoPS) is composed of TJR R 601 and SER R 602

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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: LysoPS-GPR34-Gi-scFv16 complex / Type: COMPLEX / Entity ID: #1-#5 / Source: MULTIPLE SOURCES
Molecular weightExperimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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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 defocus max: 2200 nm / Nominal defocus min: 1200 nm
Image recordingElectron dose: 55 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

EM softwareName: PHENIX / Version: 1.20.1_4487: / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.93 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 66306 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0029038
ELECTRON MICROSCOPYf_angle_d0.39812250
ELECTRON MICROSCOPYf_dihedral_angle_d9.2913200
ELECTRON MICROSCOPYf_chiral_restr0.0421408
ELECTRON MICROSCOPYf_plane_restr0.0031535

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