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- PDB-9bkk: Cholecystokinin 1 receptor (CCK1R) sterol 7M mutant, Gq chimera (... -
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Open data
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Basic information
Entry | Database: PDB / ID: 9bkk | |||||||||||||||
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Title | Cholecystokinin 1 receptor (CCK1R) sterol 7M mutant, Gq chimera (mGsqi) complex | |||||||||||||||
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![]() | MEMBRANE PROTEIN / cholecystokinin / GPCR / cholesterol / mutant | |||||||||||||||
Function / homology | ![]() cholecystokinin receptor activity / cholecystokinin signaling pathway / regulation of hormone secretion / neuropeptide receptor activity / sensory perception of chemical stimulus / neuropeptide hormone activity / peptide hormone receptor binding / eating behavior / peptide hormone binding / PKA activation in glucagon signalling ...cholecystokinin receptor activity / cholecystokinin signaling pathway / regulation of hormone secretion / neuropeptide receptor activity / sensory perception of chemical stimulus / neuropeptide hormone activity / peptide hormone receptor binding / eating behavior / peptide hormone binding / PKA activation in glucagon signalling / mu-type opioid receptor binding / developmental growth / corticotropin-releasing hormone receptor 1 binding / D1 dopamine receptor binding / Hedgehog 'off' state / beta-2 adrenergic receptor binding / forebrain development / cellular response to hormone stimulus / digestion / adenylate cyclase activator activity / Peptide ligand-binding receptors / axonogenesis / peptide binding / insulin-like growth factor receptor binding / ionotropic glutamate receptor binding / neuron migration / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / Activation of the phototransduction cascade / bone development / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G-protein activation / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / adenylate cyclase-activating G protein-coupled receptor signaling pathway / hormone activity / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / ADP signalling through P2Y purinoceptor 12 / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / Sensory perception of sweet, bitter, and umami (glutamate) taste / photoreceptor disc membrane / Adrenaline,noradrenaline inhibits insulin secretion / Glucagon-type ligand receptors / platelet aggregation / Vasopressin regulates renal water homeostasis via Aquaporins / G alpha (z) signalling events / cellular response to catecholamine stimulus / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / ADORA2B mediated anti-inflammatory cytokines production / sensory perception of taste / ADP signalling through P2Y purinoceptor 1 / adenylate cyclase-activating dopamine receptor signaling pathway / G beta:gamma signalling through PI3Kgamma / cellular response to prostaglandin E stimulus / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / G-protein beta-subunit binding / Inactivation, recovery and regulation of the phototransduction cascade / heterotrimeric G-protein complex / G alpha (12/13) signalling events / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / GTPase binding / retina development in camera-type eye / phospholipase C-activating G protein-coupled receptor signaling pathway / Ca2+ pathway / positive regulation of cold-induced thermogenesis / G alpha (i) signalling events / fibroblast proliferation / G alpha (s) signalling events / G alpha (q) signalling events / cell population proliferation / Ras protein signal transduction / Extra-nuclear estrogen signaling / G protein-coupled receptor signaling pathway / apical plasma membrane / lysosomal membrane / axon / GTPase activity / synapse / protein-containing complex binding / GTP binding / signal transduction / extracellular space / extracellular exosome / extracellular region / nucleoplasm / membrane / metal ion binding / plasma membrane / cytoplasm / cytosol Similarity search - Function | |||||||||||||||
Biological species | ![]() | |||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.51 Å | |||||||||||||||
![]() | Harikumar, K.G. / Zhao, P. / Cary, B.P. / Xu, X. / Desai, A.J. / Mobbs, J.I. / Toufaily, C. / Furness, S.G.B. / Christopoulos, A. / Belousoff, M.J. ...Harikumar, K.G. / Zhao, P. / Cary, B.P. / Xu, X. / Desai, A.J. / Mobbs, J.I. / Toufaily, C. / Furness, S.G.B. / Christopoulos, A. / Belousoff, M.J. / Wootten, D. / Sexton, P.M. / Miller, L.J. | |||||||||||||||
Funding support | ![]() ![]()
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![]() | ![]() Title: Cholesterol-dependent dynamic changes in the conformation of the type 1 cholecystokinin receptor affect ligand binding and G protein coupling Authors: Harikumar, K.G. / Zhao, P. / Cary, B.P. / Xu, X. / Desai, A.J. / Mobbs, J.I. / Toufaily, C. / Furness, S.G.B. / Christopoulos, A. / Belousoff, M.J. / Wootten, D. / Sexton, P.M. / Miller, L.J. | |||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 172.4 KB | Display | ![]() |
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PDB format | ![]() | 129.8 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.3 MB | Display | ![]() |
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Full document | ![]() | 1.4 MB | Display | |
Data in XML | ![]() | 39.5 KB | Display | |
Data in CIF | ![]() | 58.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 44643MC ![]() 9bkjC M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Components
#1: Protein | Mass: 29144.971 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Details: Guanine nucleotide-binding protein G(i) subunit alpha-1,Guanine nucleotide-binding protein G(s) subunit alpha isoforms short,with certain residues mutated to match Guanine nucleotide-binding protein G(q) subunit Source: (gene. exp.) ![]() ![]() |
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#2: Protein | Mass: 37413.863 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#3: Protein | Mass: 7861.143 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#4: Protein/peptide | Mass: 1142.262 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() |
#5: Protein | Mass: 47694.750 Da / Num. of mol.: 1 / Mutation: F130L, S136A, G141S, I216L, L219F, I223V, M226A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
Has ligand of interest | Y |
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: Complex of CCK1R (sterol 7M mutant) bound to miniGs (Gq, Gi chimera), G-beta1, G-gamma-2 and CCK8s. Type: COMPLEX Details: Single-chain fragment variable 16 (ScFv16) was included in the complex but left unmodeled. Entity ID: all / Source: RECOMBINANT |
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Molecular weight | Value: 0.15 MDa / Experimental value: NO |
Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() |
Buffer solution | pH: 7.4 |
Specimen | Conc.: 7.8 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Specimen support | Details: Gold coated. Negative polarity glow discharge. / Grid material: GOLD / Grid type: Quantifoil R1.2/1.3 |
Vitrification | Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K |
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Electron microscopy imaging
Microscopy | Model: FEI TITAN |
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Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 1200 nm / Nominal defocus min: 600 nm |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Electron dose: 60 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 6878 |
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Processing
EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 3644147 | ||||||||||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 2.51 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 279231 / Symmetry type: POINT | ||||||||||||||||||||||||||||||||
Atomic model building | PDB-ID: 7MBY Accession code: 7MBY / Source name: PDB / Type: experimental model |