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- PDB-7y89: Structure of the GPR17-Gi complex -

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Basic information

Entry
Database: PDB / ID: 7y89
TitleStructure of the GPR17-Gi complex
Components
  • (Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1) x 2
  • Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
  • Guanine nucleotide-binding protein G(i) subunit alpha-1
  • Uracil nucleotide/cysteinyl leukotriene receptor
KeywordsMEMBRANE PROTEIN / classA GPCR / complex
Function / homology
Function and homology information


Leukotriene receptors / P2Y receptors / chemokine receptor activity / receptor serine/threonine kinase binding / oligodendrocyte differentiation / positive regulation of protein localization to cell cortex / Adenylate cyclase inhibitory pathway / T cell migration / D2 dopamine receptor binding / response to prostaglandin E ...Leukotriene receptors / P2Y receptors / chemokine receptor activity / receptor serine/threonine kinase binding / oligodendrocyte differentiation / positive regulation of protein localization to cell cortex / Adenylate cyclase inhibitory pathway / T cell migration / D2 dopamine receptor binding / response to prostaglandin E / G protein-coupled serotonin receptor binding / adenylate cyclase regulator activity / adenylate cyclase-inhibiting serotonin receptor signaling pathway / cellular response to forskolin / regulation of mitotic spindle organization / Regulation of insulin secretion / negative regulation of inflammatory response to antigenic stimulus / positive regulation of cholesterol biosynthetic process / G protein-coupled receptor binding / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / G protein-coupled receptor activity / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / response to peptide hormone / G-protein beta/gamma-subunit complex binding / centriolar satellite / 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 / GDP binding / G alpha (z) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / ADP signalling through P2Y purinoceptor 1 / 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 / 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 / midbody / cell cortex / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / Ras protein signal transduction / Extra-nuclear estrogen signaling / cell population proliferation / ciliary basal body / G protein-coupled receptor signaling pathway / lysosomal membrane / cell division / GTPase activity / synapse / centrosome / protein-containing complex binding / GTP binding / nucleolus / magnesium ion binding / Golgi apparatus / signal transduction / extracellular exosome / nucleoplasm / membrane / plasma membrane / cytosol / cytoplasm
Similarity search - Function
G-protein alpha subunit, group I / YVTN repeat-like/Quinoprotein amine dehydrogenase / 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 / Guanine nucleotide-binding protein, beta subunit ...G-protein alpha subunit, group I / YVTN repeat-like/Quinoprotein amine dehydrogenase / 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 / 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. / 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 / Immunoglobulins / Immunoglobulin-like / Sandwich / P-loop containing nucleoside triphosphate hydrolase / Mainly Beta
Similarity search - Domain/homology
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Guanine nucleotide-binding protein G(i) subunit alpha-1 / Uracil nucleotide/cysteinyl leukotriene receptor
Similarity search - Component
Biological speciesHomo sapiens (human)
Mus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.02 Å
AuthorsYe, F. / Chen, G.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: MedComm (2020) / Year: 2022
Title: Cryo-EM structure of G-protein-coupled receptor GPR17 in complex with inhibitory G protein.
Authors: Fang Ye / Thian-Sze Wong / Geng Chen / Zhiyi Zhang / Binghao Zhang / Shiyi Gan / Wei Gao / Jiancheng Li / Zhangsong Wu / Xin Pan / Yang Du /
Abstract: GPR17 is a class A orphan G protein-coupled receptor (GPCR) expressed in neurons and oligodendrocyte progenitors of the central nervous system (CNS). The signalling of GPR17 occurs through the ...GPR17 is a class A orphan G protein-coupled receptor (GPCR) expressed in neurons and oligodendrocyte progenitors of the central nervous system (CNS). The signalling of GPR17 occurs through the heterotrimeric Gi, but its activation mechanism is unclear. Here, we employed cryo-electron microscopy (cryo-EM) technology to elucidate the structure of activated GPR17-Gi complex. The 3.02 Å resolution structure, together with mutagenesis studies, revealed that the extracellular loop2 of GPR17 occupied the orthosteric binding pocket to promote its self-activation. The active GPR17 carried several typical microswitches like other class A GPCRs. Moreover, the Gi interacted with the key residues of transmembrane helix 3 (TM3), the amphipathic helix 8 (Helix8), and intracellular loops 3 (ICL3) in GPR17 to engage in the receptor core. In summary, our results highlight the activation mechanism of GPR17 from the structural basis. Elucidating the structural and activation mechanism of GPR17 may facilitate the pharmacological intervention for acute/chronic CNS injury.
History
DepositionJun 23, 2022Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Oct 12, 2022Provider: repository / Type: Initial release
Revision 2.0Oct 26, 2022Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Database references / Derived calculations / Polymer sequence / Refinement description / Source and taxonomy / Structure summary
Category: atom_site / entity ...atom_site / entity / entity_name_com / entity_poly / entity_poly_seq / entity_src_nat / pdbx_poly_seq_scheme / pdbx_struct_sheet_hbond / pdbx_unobs_or_zero_occ_atoms / pdbx_unobs_or_zero_occ_residues / pdbx_validate_close_contact / pdbx_validate_peptide_omega / pdbx_validate_rmsd_angle / pdbx_validate_torsion / refine_ls_restr / software / struct_conf / struct_conn / struct_mon_prot_cis / struct_ref / struct_ref_seq / struct_ref_seq_dif / struct_sheet / struct_sheet_order / struct_sheet_range
Item: _entity.formula_weight / _entity.pdbx_description ..._entity.formula_weight / _entity.pdbx_description / _entity_name_com.entity_id / _entity_name_com.name / _entity_poly.pdbx_seq_one_letter_code / _entity_poly.pdbx_seq_one_letter_code_can / _entity_poly.pdbx_strand_id / _entity_poly_seq.entity_id / _entity_poly_seq.mon_id / _entity_poly_seq.num / _entity_src_nat.common_name / _entity_src_nat.pdbx_end_seq_num / _pdbx_poly_seq_scheme.asym_id / _pdbx_poly_seq_scheme.auth_mon_id / _pdbx_poly_seq_scheme.auth_seq_num / _pdbx_poly_seq_scheme.entity_id / _pdbx_poly_seq_scheme.mon_id / _pdbx_poly_seq_scheme.ndb_seq_num / _pdbx_poly_seq_scheme.pdb_ins_code / _pdbx_poly_seq_scheme.pdb_mon_id / _pdbx_poly_seq_scheme.pdb_seq_num / _pdbx_poly_seq_scheme.pdb_strand_id / _pdbx_poly_seq_scheme.seq_id / _refine_ls_restr.dev_ideal / _refine_ls_restr.number / _software.version / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_seq_id / _struct_ref.db_code / _struct_ref.db_name / _struct_ref.pdbx_align_begin / _struct_ref.pdbx_db_accession / _struct_ref.pdbx_seq_one_letter_code / _struct_ref_seq.db_align_beg / _struct_ref_seq.db_align_end / _struct_ref_seq.pdbx_auth_seq_align_beg / _struct_ref_seq.pdbx_auth_seq_align_end / _struct_ref_seq.pdbx_db_accession / _struct_ref_seq.pdbx_strand_id / _struct_ref_seq.seq_align_end / _struct_ref_seq_dif.align_id
Revision 2.1Nov 20, 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

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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) subunit alpha-1
B: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
G: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
S: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
A: Uracil nucleotide/cysteinyl leukotriene receptor


Theoretical massNumber of molelcules
Total (without water)142,9335
Polymers142,9335
Non-polymers00
Water00
1


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

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Components

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


Mass: 40153.672 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P63096
#2: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Transducin beta chain 1


Mass: 37069.543 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62873
#3: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1


Mass: 6218.162 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
#4: Antibody Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2


Mass: 26424.385 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
#5: Protein Uracil nucleotide/cysteinyl leukotriene receptor / UDP/CysLT receptor / G-protein coupled receptor 17 / P2Y-like receptor / R12


Mass: 33067.391 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: Q13304
Has protein modificationY

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Experimental details

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Experiment

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

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Sample preparation

ComponentName: GPR17-Gi / Type: COMPLEX / Entity ID: all / Source: NATURAL
Source (natural)Organism: Homo sapiens (human)
Buffer solutionpH: 7.4
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: SPOT SCAN
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 1400 nm / Nominal defocus min: 1000 nm
Image recordingElectron dose: 57 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.18.2_3874: / Classification: refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.02 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 314674 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0078824
ELECTRON MICROSCOPYf_angle_d0.68311954
ELECTRON MICROSCOPYf_dihedral_angle_d7.2981201
ELECTRON MICROSCOPYf_chiral_restr0.0461365
ELECTRON MICROSCOPYf_plane_restr0.0041508

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