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- PDB-8wwj: MCHR1-Gi complex,S2 state -

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Basic information

Entry
Database: PDB / ID: 8wwj
TitleMCHR1-Gi complex,S2 state
Components
  • Antibody fragment ScFv16
  • Fusion protein 1,Melanin-concentrating hormone receptor 1,Fusion protein 2
  • 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
KeywordsMEMBRANE PROTEIN / Apo complex GPCR MCHR1 S2
Function / homology
Function and homology information


melanin-concentrating hormone receptor activity / neuropeptide receptor activity / BBSome-mediated cargo-targeting to cilium / positive regulation of calcium ion transport / neuropeptide binding / feeding behavior / non-motile cilium / ciliary membrane / hormone binding / neuropeptide signaling pathway ...melanin-concentrating hormone receptor activity / neuropeptide receptor activity / BBSome-mediated cargo-targeting to cilium / positive regulation of calcium ion transport / neuropeptide binding / feeding behavior / non-motile cilium / ciliary membrane / hormone binding / neuropeptide signaling pathway / adenylate cyclase inhibitor activity / positive regulation of protein localization to cell cortex / T cell migration / Adenylate cyclase inhibitory pathway / D2 dopamine receptor binding / response to prostaglandin E / adenylate cyclase regulator activity / G protein-coupled serotonin receptor binding / 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 / negative regulation of insulin secretion / G protein-coupled receptor binding / G protein-coupled receptor activity / response to peptide hormone / 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 / 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 / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / 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 / photoreceptor disc membrane / Sensory perception of sweet, bitter, and umami (glutamate) taste / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / GDP binding / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1 / ADORA2B mediated anti-inflammatory cytokines production / 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) / retina development in camera-type eye / G protein activity / positive regulation of cytosolic calcium ion concentration / GTPase binding / Ca2+ pathway / fibroblast proliferation / midbody / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / cell cortex / G alpha (i) signalling events / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / Ras protein signal transduction / cell surface receptor signaling pathway / Extra-nuclear estrogen signaling / cell population proliferation / neuron projection / cilium / ciliary basal body / G protein-coupled receptor signaling pathway / signaling receptor binding / lysosomal membrane / cell division / GTPase activity / synapse / centrosome
Similarity search - Function
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. ...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 / G protein beta WD-40 repeat protein / 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. / 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
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: 3.03 Å
AuthorsYe, X. / Gong, W. / Liu, G.
Funding support China, 1items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)T2221005 China
CitationJournal: To Be Published
Title: Structural insights into ligand recognition and activation of melanin-concentrating hormone receptor MCHR1
Authors: Gong, W. / Ye, X. / Liu, G.
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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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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


Theoretical massNumber of molelcules
Total (without water)184,7025
Polymers184,7025
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

#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
#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
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: MCHR1-Gi complex S2 state / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
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: 3.03 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 213402 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0039010
ELECTRON MICROSCOPYf_angle_d0.43412233
ELECTRON MICROSCOPYf_dihedral_angle_d8.3153182
ELECTRON MICROSCOPYf_chiral_restr0.0411406
ELECTRON MICROSCOPYf_plane_restr0.0031547

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