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- PDB-8wwk: MCH-MCHR1-Gi complex, T1 state -

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Basic information

Entry
Database: PDB / ID: 8wwk
TitleMCH-MCHR1-Gi complex, T1 state
Components
  • (Guanine nucleotide-binding protein ...) x 3
  • Antibody fragment ScFv16
  • Fusion protein 1,Melanin-concentrating hormone receptor 1,Fusion protein 2
  • Melanin-concentrating hormone
KeywordsMEMBRANE PROTEIN / agonist complex GPCR MCH MCHR1
Function / homology
Function and homology information


melanin-concentrating hormone activity / type 1 melanin-concentrating hormone receptor binding / melanin-concentrating hormone receptor activity / neuropeptide receptor activity / negative regulation of synaptic transmission, dopaminergic / hormone binding / BBSome-mediated cargo-targeting to cilium / positive regulation of calcium ion transport / neuropeptide binding / feeding behavior ...melanin-concentrating hormone activity / type 1 melanin-concentrating hormone receptor binding / melanin-concentrating hormone receptor activity / neuropeptide receptor activity / negative regulation of synaptic transmission, dopaminergic / hormone binding / BBSome-mediated cargo-targeting to cilium / positive regulation of calcium ion transport / neuropeptide binding / feeding behavior / non-motile cilium / ciliary membrane / neuropeptide signaling pathway / 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 / Peptide ligand-binding receptors / generation of precursor metabolites and energy / Regulation of insulin secretion / 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 / 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 / positive regulation of cytosolic calcium ion concentration / 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 / fibroblast proliferation / 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 / spermatogenesis / chemical synaptic transmission / G alpha (q) signalling events / Ras protein signal transduction / cell differentiation / Extra-nuclear estrogen signaling / cell population proliferation / cell surface receptor signaling pathway / neuron projection / ciliary basal body / cilium / G protein-coupled receptor signaling pathway / signaling receptor binding / lysosomal membrane
Similarity search - Function
Pre-pro melanin-concentrating hormone / Pro-melanin-concentrating hormone (Pro-MCH) / Melanin-concentrating hormone receptor 1 / Melanin-concentrating hormone receptor / 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 ...Pre-pro melanin-concentrating hormone / Pro-melanin-concentrating hormone (Pro-MCH) / Melanin-concentrating hormone receptor 1 / Melanin-concentrating hormone receptor / 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 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 / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Pro-MCH / 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 / Melanin-concentrating hormone receptor 1
Similarity search - Component
Biological speciesHomo sapiens (human)
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.61 Å
AuthorsGong, W. / Ye, X. / Liu, G.
Funding support China, 1items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)T2221005 China
CitationJournal: Cell Discov / Year: 2024
Title: Structural insights into physiological activation and antagonism of melanin-concentrating hormone receptor MCHR1.
Authors: Xiaofan Ye / Guibing Liu / Xiu Li / Binbin He / Yuyong Tao / Jiasheng Guan / Yuguang Mu / Haiping Liu / Weimin Gong /
History
DepositionOct 25, 2023Deposition site: PDBJ / Processing site: PDBC
Revision 1.0Nov 13, 2024Provider: repository / Type: Initial release
Revision 1.1Nov 27, 2024Group: Data collection / Category: em_admin / Item: _em_admin.last_update
Revision 1.2Dec 18, 2024Group: Data collection / Database references / Category: citation / citation_author / em_admin
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _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 / _em_admin.last_update

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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: Fusion protein 1,Melanin-concentrating hormone receptor 1,Fusion protein 2
L: Melanin-concentrating hormone


Theoretical massNumber of molelcules
Total (without water)187,0946
Polymers187,0946
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
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
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNAI1 / Production host: Baculovirus expression vector pFastBac1-HM / References: UniProt: P63096
#2: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Transducin beta chain 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: Baculovirus expression vector pFastBac1-HM / 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: Baculovirus expression vector pFastBac1-HM / References: UniProt: P59768

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Antibody / Protein / Protein/peptide , 3 types, 3 molecules ERL

#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: Baculovirus expression vector pFastBac1-HM
#5: Protein Fusion protein 1,Melanin-concentrating hormone receptor 1,Fusion protein 2 / MCH receptor 1 / MCH-R1 / MCHR-1 / G-protein coupled receptor 24 / MCH-1R / MCH1R / MCHR / SLC-1 / ...MCH receptor 1 / MCH-R1 / MCHR-1 / G-protein coupled receptor 24 / MCH-1R / MCH1R / MCHR / SLC-1 / Somatostatin receptor-like protein


Mass: 68207.039 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: MCHR1, GPR24, SLC1 / Production host: Baculovirus expression vector pFastBac1-HM / References: UniProt: Q99705
#6: Protein/peptide Melanin-concentrating hormone / MCH


Mass: 2391.879 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human) / References: UniProt: P20382

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Details

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: MCH-MCHR1-Gi complex T1 state / Type: COMPLEX / Entity ID: all / Source: MULTIPLE SOURCES
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Baculovirus expression vector pFastBac1-HM
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: 2.61 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 871951 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0019158
ELECTRON MICROSCOPYf_angle_d0.38112427
ELECTRON MICROSCOPYf_dihedral_angle_d8.4063245
ELECTRON MICROSCOPYf_chiral_restr0.0391426
ELECTRON MICROSCOPYf_plane_restr0.0031570

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