- EMDB-17793: Cryo-EM structure of cell-free synthesized human histamine H2 rec... -
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Basic information
Entry
Database: EMDB / ID: EMD-17793
Title
Cryo-EM structure of cell-free synthesized human histamine H2 receptor coupled to heterotrimeric Gs protein in lipid environment
Map data
Sample
Complex: H2 receptor coupled to heterotrimeric Gs protein
Complex: Histamine H2 receptor
Protein or peptide: Histamine H2 receptor
Complex: Isoform Gnas-2 of Guanine nucleotide-binding protein G(s) subunit alpha isoforms short, Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 and Guanine nucleotide-binding protein subunit gamma (Fragment)
Protein or peptide: Isoform Gnas-2 of Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Complex: Nanobody35
Protein or peptide: Nanobody35
Ligand: HISTAMINE
Keywords
GPCR / Cell-free / H2R / human histamine 2 receptor / active conformation / complex / detergent-free / lipid environment / MEMBRANE PROTEIN
Function / homology
Function and homology information
gastric acid secretion / Histamine receptors / histamine receptor activity / G protein-coupled serotonin receptor activity / neurotransmitter receptor activity / PKA activation in glucagon signalling / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / hair follicle placode formation / mu-type opioid receptor binding / developmental growth ...gastric acid secretion / Histamine receptors / histamine receptor activity / G protein-coupled serotonin receptor activity / neurotransmitter receptor activity / PKA activation in glucagon signalling / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / hair follicle placode formation / mu-type opioid receptor binding / developmental growth / corticotropin-releasing hormone receptor 1 binding / intracellular transport / D1 dopamine receptor binding / Hedgehog 'off' state / beta-2 adrenergic receptor binding / adenylate cyclase-activating adrenergic receptor signaling pathway / positive regulation of vasoconstriction / activation of adenylate cyclase activity / adenylate cyclase activator activity / trans-Golgi network membrane / insulin-like growth factor receptor binding / ionotropic glutamate receptor binding / G-protein beta/gamma-subunit complex binding / bone development / 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 / adenylate cyclase-activating G protein-coupled receptor signaling pathway / 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 / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / cognition / 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 / platelet aggregation / Adrenaline,noradrenaline inhibits insulin secretion / Glucagon-type ligand receptors / 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 / sensory perception of smell / 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 / chemical synaptic transmission / cell population proliferation / Ras protein signal transduction / Extra-nuclear estrogen signaling / immune response / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / synapse / dendrite / protein-containing complex binding / GTP binding / signal transduction / extracellular exosome / membrane / metal ion binding / plasma membrane / cytoplasm / cytosol Similarity search - Function
Journal: Nat Commun / Year: 2024 Title: Cryo-EM structure of cell-free synthesized human histamine 2 receptor/G complex in nanodisc environment. Authors: Zoe Köck / Kilian Schnelle / Margherita Persechino / Simon Umbach / Hannes Schihada / Dovile Januliene / Kristian Parey / Steffen Pockes / Peter Kolb / Volker Dötsch / Arne Möller / ...Authors: Zoe Köck / Kilian Schnelle / Margherita Persechino / Simon Umbach / Hannes Schihada / Dovile Januliene / Kristian Parey / Steffen Pockes / Peter Kolb / Volker Dötsch / Arne Möller / Daniel Hilger / Frank Bernhard / Abstract: Here we describe the cryo-electron microscopy structure of the human histamine 2 receptor (HR) in an active conformation with bound histamine and in complex with G heterotrimeric protein at an ...Here we describe the cryo-electron microscopy structure of the human histamine 2 receptor (HR) in an active conformation with bound histamine and in complex with G heterotrimeric protein at an overall resolution of 3.4 Å. The complex was generated by cotranslational insertion of the receptor into preformed nanodisc membranes using cell-free synthesis in E. coli lysates. Structural comparison with the inactive conformation of HR and the inactive and G-coupled active state of HR together with structure-guided functional experiments reveal molecular insights into the specificity of ligand binding and G protein coupling for this receptor family. We demonstrate lipid-modulated folding of cell-free synthesized HR, its agonist-dependent internalization and its interaction with endogenously synthesized HR and HR in HEK293 cells by applying a recently developed nanotransfer technique.
Entire : H2 receptor coupled to heterotrimeric Gs protein
Entire
Name: H2 receptor coupled to heterotrimeric Gs protein
Components
Complex: H2 receptor coupled to heterotrimeric Gs protein
Complex: Histamine H2 receptor
Protein or peptide: Histamine H2 receptor
Complex: Isoform Gnas-2 of Guanine nucleotide-binding protein G(s) subunit alpha isoforms short, Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 and Guanine nucleotide-binding protein subunit gamma (Fragment)
Protein or peptide: Isoform Gnas-2 of Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Complex: Nanobody35
Protein or peptide: Nanobody35
Ligand: HISTAMINE
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Supramolecule #1: H2 receptor coupled to heterotrimeric Gs protein
Macromolecule #2: Isoform Gnas-2 of Guanine nucleotide-binding protein G(s) subunit...
Macromolecule
Name: Isoform Gnas-2 of Guanine nucleotide-binding protein G(s) subunit alpha isoforms short type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Model: C-flat-1.2/1.3 / Material: COPPER / Mesh: 200 / Support film - Material: CARBON / Support film - topology: HOLEY / Support film - Film thickness: 20 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 45 sec.
Vitrification
Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277.15 K / Instrument: FEI VITROBOT MARK IV
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Electron microscopy
Microscope
TFS GLACIOS
Specialist optics
Energy filter - Name: TFS Selectris / Energy filter - Slit width: 10 eV
Image recording
Film or detector model: FEI FALCON IV (4k x 4k) / Digitization - Dimensions - Width: 4096 pixel / Digitization - Dimensions - Height: 4096 pixel / Average electron dose: 50.0 e/Å2
Electron beam
Acceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
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