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- PDB-5uz7: Volta phase plate cryo-electron microscopy structure of a calcito... -

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Entry
Database: PDB / ID: 5uz7
TitleVolta phase plate cryo-electron microscopy structure of a calcitonin receptor-heterotrimeric Gs protein complex
Components
  • Calcitonin receptor
  • 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(s) subunit alpha isoforms short
  • NANOBODY 35
KeywordsSIGNALING PROTEIN / Class B G protein-coupled receptor Agonist-Receptor-G protein ternary complex Calcitonin receptor Active-state G protein-coupled receptor
Function / homology
Function and homology information


calcitonin binding / calcitonin family receptor activity / amylin receptor complex 1 / amylin receptor complex 2 / calcitonin family receptor signaling pathway / amylin receptor complex 3 / amylin receptor activity / calcitonin receptor activity / calcitonin gene-related peptide receptor signaling pathway / calcitonin gene-related peptide receptor activity ...calcitonin binding / calcitonin family receptor activity / amylin receptor complex 1 / amylin receptor complex 2 / calcitonin family receptor signaling pathway / amylin receptor complex 3 / amylin receptor activity / calcitonin receptor activity / calcitonin gene-related peptide receptor signaling pathway / calcitonin gene-related peptide receptor activity / amylin receptor 3 signaling pathway / amylin receptor 2 signaling pathway / amylin receptor 1 signaling pathway / amylin receptor signaling pathway / Calcitonin-like ligand receptors / negative regulation of ossification / response to amyloid-beta / positive regulation of cAMP/PKA signal transduction / PKA activation in glucagon signalling / hair follicle placode formation / developmental growth / D1 dopamine receptor binding / intracellular transport / vascular endothelial cell response to laminar fluid shear stress / renal water homeostasis / response to glucocorticoid / Hedgehog 'off' state / adenylate cyclase-activating adrenergic receptor signaling pathway / activation of adenylate cyclase activity / regulation of mRNA stability / regulation of insulin secretion / cellular response to glucagon stimulus / osteoclast differentiation / positive regulation of calcium-mediated signaling / ossification / adenylate cyclase activator activity / acrosomal vesicle / trans-Golgi network membrane / negative regulation of inflammatory response to antigenic stimulus / bone development / G-protein beta/gamma-subunit complex binding / platelet aggregation / cognition / 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 / adenylate cyclase-activating G protein-coupled 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 / 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 / sensory perception of smell / 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) / amyloid-beta binding / positive regulation of cold-induced thermogenesis / G protein activity / positive regulation of cytosolic calcium ion concentration / GTPase binding / retina development in camera-type eye / Ca2+ pathway / 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 / G alpha (q) signalling events / Ras protein signal transduction / Extra-nuclear estrogen signaling / cell population proliferation
Similarity search - Function
GPCR, family 2, calcitonin receptor / GPCR, family 2, calcitonin receptor family / G-protein coupled receptors family 2 signature 1. / : / GPCR, family 2, extracellular hormone receptor domain / G-protein coupled receptors family 2 profile 1. / Domain present in hormone receptors / Hormone receptor domain / GPCR family 2, extracellular hormone receptor domain superfamily / G-protein coupled receptors family 2 signature 2. ...GPCR, family 2, calcitonin receptor / GPCR, family 2, calcitonin receptor family / G-protein coupled receptors family 2 signature 1. / : / GPCR, family 2, extracellular hormone receptor domain / G-protein coupled receptors family 2 profile 1. / Domain present in hormone receptors / Hormone receptor domain / GPCR family 2, extracellular hormone receptor domain superfamily / G-protein coupled receptors family 2 signature 2. / GPCR, family 2, secretin-like, conserved site / GPCR, family 2, secretin-like / 7 transmembrane receptor (Secretin family) / GPCR, family 2-like / G-protein coupled receptors family 2 profile 2. / G-protein alpha subunit, group S / 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 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
Calcitonin receptor / 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(s) subunit alpha isoforms short
Similarity search - Component
Biological speciesHomo sapiens (human)
Lama Glama (llama)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.1 Å
AuthorsLiang, Y.L. / Khoshouei, M. / Radjainia, M. / Zhang, Y. / Glukhova, A. / Tarrasch, J. / Thal, D.M. / Furness, S.G.B. / Christopoulos, G. / Coudrat, T. ...Liang, Y.L. / Khoshouei, M. / Radjainia, M. / Zhang, Y. / Glukhova, A. / Tarrasch, J. / Thal, D.M. / Furness, S.G.B. / Christopoulos, G. / Coudrat, T. / Danev, R. / Baumeister, W. / Miller, L.J. / Christopoulos, A. / Kobilka, B.K. / Wootten, D. / Skiniotis, G. / Sexton, P.M.
CitationJournal: Nature / Year: 2017
Title: Phase-plate cryo-EM structure of a class B GPCR-G-protein complex.
Authors: Yi-Lynn Liang / Maryam Khoshouei / Mazdak Radjainia / Yan Zhang / Alisa Glukhova / Jeffrey Tarrasch / David M Thal / Sebastian G B Furness / George Christopoulos / Thomas Coudrat / Radostin ...Authors: Yi-Lynn Liang / Maryam Khoshouei / Mazdak Radjainia / Yan Zhang / Alisa Glukhova / Jeffrey Tarrasch / David M Thal / Sebastian G B Furness / George Christopoulos / Thomas Coudrat / Radostin Danev / Wolfgang Baumeister / Laurence J Miller / Arthur Christopoulos / Brian K Kobilka / Denise Wootten / Georgios Skiniotis / Patrick M Sexton /
Abstract: Class B G-protein-coupled receptors are major targets for the treatment of chronic diseases, such as osteoporosis, diabetes and obesity. Here we report the structure of a full-length class B ...Class B G-protein-coupled receptors are major targets for the treatment of chronic diseases, such as osteoporosis, diabetes and obesity. Here we report the structure of a full-length class B receptor, the calcitonin receptor, in complex with peptide ligand and heterotrimeric Gαβγ protein determined by Volta phase-plate single-particle cryo-electron microscopy. The peptide agonist engages the receptor by binding to an extended hydrophobic pocket facilitated by the large outward movement of the extracellular ends of transmembrane helices 6 and 7. This conformation is accompanied by a 60° kink in helix 6 and a large outward movement of the intracellular end of this helix, opening the bundle to accommodate interactions with the α5-helix of Gα. Also observed is an extended intracellular helix 8 that contributes to both receptor stability and functional G-protein coupling via an interaction with the Gβ subunit. This structure provides a new framework for understanding G-protein-coupled receptor function.
History
DepositionFeb 24, 2017Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 3, 2017Provider: repository / Type: Initial release
Revision 1.1Jun 14, 2017Group: Database references / Category: citation
Item: _citation.country / _citation.journal_id_ASTM ..._citation.country / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.2Jul 18, 2018Group: Data collection / Experimental preparation / Category: em_image_scans / em_sample_support / Item: _em_sample_support.grid_type
Revision 1.3Oct 16, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _em_admin.last_update

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Structure visualization

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Assembly

Deposited unit
A: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
B: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
G: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
N: NANOBODY 35
R: Calcitonin receptor


Theoretical massNumber of molelcules
Total (without water)164,2455
Polymers164,2455
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Guanine nucleotide-binding protein G(s) subunit alpha isoforms short / Adenylate cyclase-stimulating G alpha protein


Mass: 44326.160 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNAS, GNAS1, GSP / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P63092
#2: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Transducin beta chain 1


Mass: 38744.371 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNB1 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P62873
#3: Protein Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / G gamma-I


Mass: 7563.750 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: GNG2 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P59768
#4: Antibody NANOBODY 35


Mass: 15140.742 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Lama Glama (llama) / Production host: Escherichia coli (E. coli)
#5: Protein Calcitonin receptor / CT-R


Mass: 58469.594 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CALCR / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P30988
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: Complex of a full-length, active-state calcitonin receptor with peptide ligand, heterotrimeric Gs protein and nano body 35.
Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Molecular weightValue: 0.15 MDa / Experimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Trichoplusia ni (cabbage looper)
Buffer solutionpH: 7.5
SpecimenConc.: 0.3 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K

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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 / C2 aperture diameter: 50 µm
Specimen holderSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingElectron dose: 50 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 4.1 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 106838 / Symmetry type: POINT

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