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- PDB-9auc: Human Amylin1 Receptor in Complex with Gs and human Calcitonin Ge... -

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Entry
Database: PDB / ID: 9auc
TitleHuman Amylin1 Receptor in Complex with Gs and human Calcitonin Gene-Related Peptide
Components
  • (Guanine nucleotide-binding protein ...) x 3
  • Calcitonin gene-related peptide 1
  • Calcitonin receptor
  • Nanobody 35Single-domain antibody
  • Receptor activity-modifying protein 1
KeywordsMEMBRANE PROTEIN / Amylin receptor / GPCR / RAMP3 / Calcitonin Gene-Related Peptide
Function / homology
Function and homology information


nervous system process involved in regulation of systemic arterial blood pressure / calcitonin gene-related peptide binding / CGRP receptor complex / calcitonin gene-related peptide receptor signaling pathway / calcitonin binding / amylin receptor complex 1 / amylin receptor complex 2 / positive regulation of protein glycosylation / cross-receptor inhibition within G protein-coupled receptor heterodimer / amylin receptor complex 3 ...nervous system process involved in regulation of systemic arterial blood pressure / calcitonin gene-related peptide binding / CGRP receptor complex / calcitonin gene-related peptide receptor signaling pathway / calcitonin binding / amylin receptor complex 1 / amylin receptor complex 2 / positive regulation of protein glycosylation / cross-receptor inhibition within G protein-coupled receptor heterodimer / amylin receptor complex 3 / amylin receptor activity / calcitonin receptor activity / positive regulation of interleukin-1 alpha production / calcitonin gene-related peptide receptor activity / amylin receptor signaling pathway / positive regulation of adenylate cyclase activity / Calcitonin-like ligand receptors / negative regulation of calcium ion transport into cytosol / positive regulation of macrophage differentiation / regulation of G protein-coupled receptor signaling pathway / G protein-coupled receptor internalization / vasculature development / negative regulation of ossification / endothelial cell proliferation / negative regulation of bone resorption / leukocyte cell-cell adhesion / negative regulation of osteoclast differentiation / positive regulation of protein kinase A signaling / PKA activation in glucagon signalling / response to amyloid-beta / hair follicle placode formation / developmental growth / D1 dopamine receptor binding / endothelial cell migration / intracellular transport / Hedgehog 'off' state / positive regulation of cAMP-mediated signaling / coreceptor activity / positive regulation of calcium-mediated signaling / adenylate cyclase-activating adrenergic receptor signaling pathway / response to glucocorticoid / cellular response to hormone stimulus / regulation of mRNA stability / regulation of cytosolic calcium ion concentration / activation of adenylate cyclase activity / adenylate cyclase activator activity / negative regulation of blood pressure / ossification / osteoclast differentiation / acrosomal vesicle / trans-Golgi network membrane / protein localization to plasma membrane / positive regulation of interleukin-8 production / intracellular protein transport / Olfactory Signaling Pathway / G-protein beta/gamma-subunit complex binding / Activation of the phototransduction cascade / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / bone development / 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 / cilium / Prostacyclin signalling through prostacyclin receptor / adenylate cyclase-activating G protein-coupled receptor signaling pathway / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / hormone activity / receptor internalization / 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 / platelet aggregation / cognition / Glucagon-type ligand receptors / Vasopressin regulates renal water homeostasis via Aquaporins / positive regulation of GTPase activity / G alpha (z) signalling events / regulation of blood pressure / cellular response to catecholamine stimulus / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / ADORA2B mediated anti-inflammatory cytokines production / adenylate cyclase-activating dopamine receptor signaling pathway / ADP signalling through P2Y purinoceptor 1 / G beta:gamma signalling through PI3Kgamma / cellular response to prostaglandin E stimulus / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / vasodilation / sensory perception of taste / 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
Similarity search - Function
Calcitonin gene-related peptide / GPCR, family 2, calcitonin receptor / Receptor activity modifying protein / RAMP domain superfamily / Receptor activity modifying family / GPCR, family 2, calcitonin receptor family / Calcitonin-like / Calcitonin peptide-like / Calcitonin, conserved site / Calcitonin / CGRP / IAPP family signature. ...Calcitonin gene-related peptide / GPCR, family 2, calcitonin receptor / Receptor activity modifying protein / RAMP domain superfamily / Receptor activity modifying family / GPCR, family 2, calcitonin receptor family / Calcitonin-like / Calcitonin peptide-like / Calcitonin, conserved site / Calcitonin / CGRP / IAPP family signature. / calcitonin / Calcitonin/adrenomedullin / Calcitonin / CGRP / IAPP family / G-protein coupled receptors family 2 signature 1. / Hormone receptor domain / GPCR, family 2, extracellular hormone receptor domain / G-protein coupled receptors family 2 profile 1. / Domain present in hormone receptors / 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 / G-alpha domain profile. / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. / GGL domain / G-protein gamma-like domain superfamily / G-protein gamma-like domain / GGL domain / G protein gamma subunit-like motifs / 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 / WD40 repeats / WD40 repeat / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
PALMITIC ACID / CHOLESTEROL HEMISUCCINATE / Receptor activity-modifying protein 1 / Calcitonin gene-related peptide 1 / 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: 2.4 Å
AuthorsCao, J. / Belousoff, M.J. / Wootten, D.L. / Sexton, P.M.
Funding support Australia, Japan, 4items
OrganizationGrant numberCountry
Australian Research Council (ARC)IC200100052 Australia
National Health and Medical Research Council (NHMRC, Australia)1150083 Australia
Australian Research Council (ARC)DP210101504 Australia
Japan Science and Technology18069571 Japan
CitationJournal: Biochemistry / Year: 2024
Title: Cryo-EM Structure of the Human Amylin 1 Receptor in Complex with CGRP and Gs Protein.
Authors: Jianjun Cao / Matthew J Belousoff / Radostin Danev / Arthur Christopoulos / Denise Wootten / Patrick M Sexton /
Abstract: Inhibition of calcitonin gene-related peptide (CGRP) or its cognate CGRP receptor (CGRPR) has arisen as a major breakthrough in the treatment of migraine. However, a second CGRP-responsive receptor ...Inhibition of calcitonin gene-related peptide (CGRP) or its cognate CGRP receptor (CGRPR) has arisen as a major breakthrough in the treatment of migraine. However, a second CGRP-responsive receptor exists, the amylin (Amy) 1 receptor (AMYR), yet its involvement in the pathology of migraine is poorly understood. AMYR and CGRPR are heterodimers consisting of receptor activity-modifying protein 1 (RAMP1) with the calcitonin receptor (CTR) and the calcitonin receptor-like receptor (CLR), respectively. Here, we present the structure of AMYR in complex with CGRP and Gs protein and compare it with the reported structures of the AMYR complex with rat amylin (rAmy) and the CGRPR in complex with CGRP. Despite similar protein backbones observed within the receptors and the N- and C-termini of the two peptides bound to the AMYR complexes, they have distinct organization in the peptide midregions (the bypass motif) that is correlated with differences in the dynamics of the respective receptor extracellular domains. Moreover, divergent conformations of extracellular loop (ECL) 3, intracellular loop (ICL) 2, and ICL3 within the CTR and CLR protomers are evident when comparing the CGRP bound to the CGRPR and AMYR, which influences the binding mode of CGRP. However, the conserved interactions made by the C-terminus of CGRP to the CGRPR and AMYR are likely to account for cross-reactivity of nonpeptide CGRPR antagonists observed at AMYR, which also extends to other clinically used CGRPR blockers, including antibodies.
History
DepositionFeb 28, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 24, 2024Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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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
E: Receptor activity-modifying protein 1
P: Calcitonin gene-related peptide 1
R: Calcitonin receptor
hetero molecules


Theoretical massNumber of molelcules
Total (without water)189,47117
Polymers186,5527
Non-polymers2,91910
Water28816
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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Guanine nucleotide-binding protein ... , 3 types, 3 molecules ABG

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


Mass: 45683.434 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: 38534.062 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: 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: Trichoplusia ni (cabbage looper) / References: UniProt: P59768

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Protein , 2 types, 2 molecules ER

#5: Protein Receptor activity-modifying protein 1 / Calcitonin-receptor-like receptor activity-modifying protein 1 / CRLR activity-modifying protein 1


Mass: 17066.701 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: RAMP1 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: O60894
#7: 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

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Antibody / Protein/peptide / Sugars , 3 types, 5 molecules NP

#4: Antibody Nanobody 35 / Single-domain antibody


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)
#6: Protein/peptide Calcitonin gene-related peptide 1 / / Alpha-type CGRP / Calcitonin gene-related peptide I / CGRP-I


Mass: 3796.362 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human) / References: UniProt: P06881
#9: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 3 types, 23 molecules

#8: Chemical
ChemComp-PLM / PALMITIC ACID / Palmitic acid


Mass: 256.424 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C16H32O2
#10: Chemical ChemComp-Y01 / CHOLESTEROL HEMISUCCINATE


Mass: 486.726 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C31H50O4
#11: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 16 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY

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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: Human Amylin 1 Receptor in complex with Gs and human calcitonin gene-related peptide
Type: COMPLEX / Entity ID: #1-#7 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Trichoplusia ni (cabbage looper)
Buffer solutionpH: 7.4
SpecimenConc.: 5.8 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 1500 nm / Nominal defocus min: 500 nm
Image recordingAverage exposure time: 16.12 sec. / Electron dose: 71.15 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 7049

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 2.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 247000 / Symmetry type: POINT
Atomic model buildingB value: 41

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