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- PDB-6uva: CryoEM Structure of the active Adrenomedullin 2 receptor G protei... -
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Open data
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Basic information
Entry | Database: PDB / ID: 6uva | ||||||||||||||||||
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Title | CryoEM Structure of the active Adrenomedullin 2 receptor G protein complex with adrenomedullin 2 peptide | ||||||||||||||||||
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![]() | MEMBRANE PROTEIN / GPCR / adrenomedullin receptor complex | ||||||||||||||||||
Function / homology | ![]() G protein-coupled receptor signaling pathway involved in heart process / CGRP receptor complex / calcitonin gene-related peptide receptor signaling pathway / adrenomedullin binding / cellular response to sucrose stimulus / cross-receptor inhibition within G protein-coupled receptor heterodimer / amylin receptor complex 3 / adrenomedullin receptor activity / adrenomedullin receptor complex / adrenomedullin receptor signaling pathway ...G protein-coupled receptor signaling pathway involved in heart process / CGRP receptor complex / calcitonin gene-related peptide receptor signaling pathway / adrenomedullin binding / cellular response to sucrose stimulus / cross-receptor inhibition within G protein-coupled receptor heterodimer / amylin receptor complex 3 / adrenomedullin receptor activity / adrenomedullin receptor complex / adrenomedullin receptor signaling pathway / amylin receptor activity / calcitonin receptor activity / vascular associated smooth muscle cell proliferation / calcitonin gene-related peptide receptor activity / amylin receptor signaling pathway / Calcitonin-like ligand receptors / regulation of systemic arterial blood pressure / feeding behavior / positive regulation of heart rate / positive regulation of receptor recycling / positive regulation of protein kinase A signaling / PKA activation in glucagon signalling / response to amyloid-beta / 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 / coreceptor activity / positive regulation of calcium-mediated signaling / beta-2 adrenergic receptor binding / adenylate cyclase-activating adrenergic receptor signaling pathway / cellular response to hormone stimulus / positive regulation of vascular associated smooth muscle cell proliferation / digestion / activation of adenylate cyclase activity / adenylate cyclase activator activity / negative regulation of blood pressure / trans-Golgi network membrane / cellular response to estradiol stimulus / protein localization to plasma membrane / G protein-coupled receptor activity / positive regulation of protein localization to plasma membrane / intracellular protein transport / ionotropic glutamate receptor binding / insulin-like growth factor receptor binding / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / bone development / Activation of the phototransduction cascade / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G-protein activation / adenylate cyclase-activating G protein-coupled receptor signaling pathway / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / hormone activity / receptor internalization / 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 / positive regulation of angiogenesis / GPER1 signaling / calcium ion transport / 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 / protein transport / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / GTPase binding / retina development in camera-type eye Similarity search - Function | ||||||||||||||||||
Biological species | ![]() ![]() ![]() | ||||||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.3 Å | ||||||||||||||||||
![]() | Belousoff, M.J. / Liang, Y.L. / Sexton, P. / Danev, R. | ||||||||||||||||||
Funding support | ![]() ![]()
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![]() | ![]() Title: Structure and Dynamics of Adrenomedullin Receptors AM and AM Reveal Key Mechanisms in the Control of Receptor Phenotype by Receptor Activity-Modifying Proteins. Authors: Yi-Lynn Liang / Matthew J Belousoff / Madeleine M Fletcher / Xin Zhang / Maryam Khoshouei / Giuseppe Deganutti / Cassandra Koole / Sebastian G B Furness / Laurence J Miller / Debbie L Hay / ...Authors: Yi-Lynn Liang / Matthew J Belousoff / Madeleine M Fletcher / Xin Zhang / Maryam Khoshouei / Giuseppe Deganutti / Cassandra Koole / Sebastian G B Furness / Laurence J Miller / Debbie L Hay / Arthur Christopoulos / Christopher A Reynolds / Radostin Danev / Denise Wootten / Patrick M Sexton / ![]() ![]() ![]() ![]() ![]() ![]() ![]() Abstract: Adrenomedullin (AM) and calcitonin gene-related peptide (CGRP) receptors are critically important for metabolism, vascular tone, and inflammatory response. AM receptors are also required for normal ...Adrenomedullin (AM) and calcitonin gene-related peptide (CGRP) receptors are critically important for metabolism, vascular tone, and inflammatory response. AM receptors are also required for normal lymphatic and blood vascular development and angiogenesis. They play a pivotal role in embryo implantation and fertility and can provide protection against hypoxic and oxidative stress. CGRP and AM receptors are heterodimers of the calcitonin receptor-like receptor (CLR) and receptor activity-modifying protein 1 (RAMP1) (CGRPR), as well as RAMP2 or RAMP3 (AMR and AMR, respectively). However, the mechanistic basis for RAMP modulation of CLR phenotype is unclear. In this study, we report the cryo-EM structure of the AMR in complex with AM and Gs at a global resolution of 3.0 Å, and structures of the AMR in complex with either AM or intermedin/adrenomedullin 2 (AM2) and Gs at 2.4 and 2.3 Å, respectively. The structures reveal distinctions in the primary orientation of the extracellular domains (ECDs) relative to the receptor core and distinct positioning of extracellular loop 3 (ECL3) that are receptor-dependent. Analysis of dynamic data present in the cryo-EM micrographs revealed additional distinctions in the extent of mobility of the ECDs. Chimeric exchange of the linker region of the RAMPs connecting the TM helix and the ECD supports a role for this segment in controlling receptor phenotype. Moreover, a subset of the motions of the ECD appeared coordinated with motions of the G protein relative to the receptor core, suggesting that receptor ECD dynamics could influence G protein interactions. This work provides fundamental advances in our understanding of GPCR function and how this can be allosterically modulated by accessory proteins. | ||||||||||||||||||
History |
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Structure visualization
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Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 227.3 KB | Display | ![]() |
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PDB format | ![]() | 180.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 979.1 KB | Display | ![]() |
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Full document | ![]() | 992.5 KB | Display | |
Data in XML | ![]() | 46.3 KB | Display | |
Data in CIF | ![]() | 70.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 20906MC ![]() 6uunC ![]() 6uusC M: map data used to model this data C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Components
-Guanine nucleotide-binding protein ... , 3 types, 3 molecules ABG
#1: Protein | Mass: 45699.434 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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#2: Protein | Mass: 38534.062 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.) ![]() ![]() |
-Protein , 2 types, 2 molecules ER
#5: Protein | Mass: 16896.650 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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#7: Protein | Mass: 56274.520 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
-Antibody / Protein/peptide , 2 types, 2 molecules NP
#4: Antibody | Mass: 15140.742 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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#6: Protein/peptide | Mass: 5106.779 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() |
-Details
Has ligand of interest | N |
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-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
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Molecular weight | Experimental value: NO | ||||||||||||||||||||||||||||||
Source (natural) |
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Source (recombinant) |
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Buffer solution | pH: 7.4 | ||||||||||||||||||||||||||||||
Specimen | Conc.: 4 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||||||||||||||
Specimen support | Details: unspecified | ||||||||||||||||||||||||||||||
Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD |
Image recording | Electron dose: 68 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
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Processing
Software | Name: PHENIX / Version: 1.18rc1_3777: / Classification: refinement | ||||||||||||||||||||||||
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||
3D reconstruction | Resolution: 2.3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 656000 / Symmetry type: POINT | ||||||||||||||||||||||||
Refine LS restraints |
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