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- EMDB-21147: Cryo-EM structure of the Glucagon-like peptide-1 receptor in comp... -

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Basic information

Entry
Database: EMDB / ID: EMD-21147
TitleCryo-EM structure of the Glucagon-like peptide-1 receptor in complex with G protein, GLP-1 peptide and a positive allosteric modulator
Map dataGlucagon-like peptide-1 receptor in complex with G protein, GLP-1 peptide and a positive allosteric modulator
Sample
  • Complex: Cryo-EM structure of the Glucagon-like peptide-1 receptor in complex with G protein, GLP-1 peptide and a positive allosteric modulator
    • Complex: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short, Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1, Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
      • Protein or peptide: 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: Glucagon-like peptide 1 receptor, Glucagon-like peptide 1
      • Protein or peptide: Glucagon-like peptide 1 receptor
      • Protein or peptide: Glucagon-like peptide 1
    • Complex: Nanobody 35
      • Protein or peptide: Nanobody 35
  • Ligand: 1-[(1R)-1-(2,6-dichloro-3-methoxyphenyl)ethyl]-6-{2-[(2R)-piperidin-2-yl]phenyl}-1H-benzimidazole
Function / homology
Function and homology information


glucagon receptor binding / glucagon-like peptide 1 receptor activity / glucagon receptor activity / hormone secretion / positive regulation of blood pressure / negative regulation of execution phase of apoptosis / post-translational protein targeting to membrane, translocation / feeding behavior / response to psychosocial stress / regulation of heart contraction ...glucagon receptor binding / glucagon-like peptide 1 receptor activity / glucagon receptor activity / hormone secretion / positive regulation of blood pressure / negative regulation of execution phase of apoptosis / post-translational protein targeting to membrane, translocation / feeding behavior / response to psychosocial stress / regulation of heart contraction / positive regulation of calcium ion import / cellular response to glucagon stimulus / response to starvation / positive regulation of insulin secretion involved in cellular response to glucose stimulus / peptide hormone binding / regulation of insulin secretion / PKA activation in glucagon signalling / hair follicle placode formation / mu-type opioid receptor binding / developmental growth / corticotropin-releasing hormone receptor 1 binding / intracellular transport / D1 dopamine receptor binding / Synthesis, secretion, and deacylation of Ghrelin / Hedgehog 'off' state / beta-2 adrenergic receptor binding / adenylate cyclase-activating adrenergic receptor signaling pathway / positive regulation of gluconeogenesis / protein kinase A signaling / activation of adenylate cyclase activity / adenylate cyclase activator activity / negative regulation of blood pressure / cAMP-mediated signaling / trans-Golgi network membrane / positive regulation of peptidyl-threonine phosphorylation / response to activity / gluconeogenesis / 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 / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / 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 / 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 / transmembrane signaling receptor activity / 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 / positive regulation of peptidyl-serine phosphorylation / glucose homeostasis / 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 / positive regulation of cytosolic calcium ion concentration / fibroblast proliferation / G alpha (s) signalling events / G alpha (q) signalling events / secretory granule lumen / cell population proliferation
Similarity search - Function
Glucagon / : / GPCR, family 2, glucagon-like peptide-1 receptor / Glucagon/GIP/secretin/VIP / Peptide hormone / Glucagon / GIP / secretin / VIP family signature. / Glucagon like hormones / GPCR, family 2, glucagon-like peptide-1/glucagon receptor / G-protein coupled receptors family 2 signature 1. / Hormone receptor domain ...Glucagon / : / GPCR, family 2, glucagon-like peptide-1 receptor / Glucagon/GIP/secretin/VIP / Peptide hormone / Glucagon / GIP / secretin / VIP family signature. / Glucagon like hormones / GPCR, family 2, glucagon-like peptide-1/glucagon receptor / 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. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD domain, G-beta repeat / 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
Pro-glucagon / Glucagon-like peptide 1 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)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.3 Å
AuthorsSun B / Feng D / Bueno A / Kobilka B / Sloop K
CitationJournal: Nat Chem Biol / Year: 2020
Title: Structural insights into probe-dependent positive allosterism of the GLP-1 receptor.
Authors: Ana B Bueno / Bingfa Sun / Francis S Willard / Dan Feng / Joseph D Ho / David B Wainscott / Aaron D Showalter / Michal Vieth / Qi Chen / Cynthia Stutsman / Betty Chau / James Ficorilli / ...Authors: Ana B Bueno / Bingfa Sun / Francis S Willard / Dan Feng / Joseph D Ho / David B Wainscott / Aaron D Showalter / Michal Vieth / Qi Chen / Cynthia Stutsman / Betty Chau / James Ficorilli / Francisco J Agejas / Graham R Cumming / Alma Jiménez / Isabel Rojo / Tong Sun Kobilka / Brian K Kobilka / Kyle W Sloop /
Abstract: Drugs that promote the association of protein complexes are an emerging therapeutic strategy. We report discovery of a G protein-coupled receptor (GPCR) ligand that stabilizes an active state ...Drugs that promote the association of protein complexes are an emerging therapeutic strategy. We report discovery of a G protein-coupled receptor (GPCR) ligand that stabilizes an active state conformation by cooperatively binding both the receptor and orthosteric ligand, thereby acting as a 'molecular glue'. LSN3160440 is a positive allosteric modulator of the GLP-1R optimized to increase the affinity and efficacy of GLP-1(9-36), a proteolytic product of GLP-1(7-36). The compound enhances insulin secretion in a glucose-, ligand- and GLP-1R-dependent manner. Cryo-electron microscopy determined the structure of the GLP-1R bound to LSN3160440 in complex with GLP-1 and heterotrimeric G. The modulator binds high in the helical bundle at an interface between TM1 and TM2, allowing access to the peptide ligand. Pharmacological characterization showed strong probe dependence of LSN3160440 for GLP-1(9-36) versus oxyntomodulin that is driven by a single residue. Our findings expand protein-protein modulation drug discovery to uncompetitive, active state stabilizers for peptide hormone receptors.
History
DepositionDec 20, 2019-
Header (metadata) releaseFeb 26, 2020-
Map releaseJul 22, 2020-
UpdateSep 30, 2020-
Current statusSep 30, 2020Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.025
  • Imaged by UCSF Chimera
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  • Surface view colored by height
  • Surface level: 0.025
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-6vcb
  • Surface level: 0.025
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

Downloads & links

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Map

FileDownload / File: emd_21147.map.gz / Format: CCP4 / Size: 52.7 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationGlucagon-like peptide-1 receptor in complex with G protein, GLP-1 peptide and a positive allosteric modulator
Voxel sizeX=Y=Z: 1.04 Å
Density
Contour LevelBy AUTHOR: 0.025 / Movie #1: 0.025
Minimum - Maximum-0.09356985 - 0.1551979
Average (Standard dev.)-0.0000047891 (±0.004059561)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions240240240
Spacing240240240
CellA=B=C: 249.59999 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.041.041.04
M x/y/z240240240
origin x/y/z0.0000.0000.000
length x/y/z249.600249.600249.600
α/β/γ90.00090.00090.000
start NX/NY/NZ000
NX/NY/NZ250250250
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS240240240
D min/max/mean-0.0940.155-0.000

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Supplemental data

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Sample components

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Entire : Cryo-EM structure of the Glucagon-like peptide-1 receptor in comp...

EntireName: Cryo-EM structure of the Glucagon-like peptide-1 receptor in complex with G protein, GLP-1 peptide and a positive allosteric modulator
Components
  • Complex: Cryo-EM structure of the Glucagon-like peptide-1 receptor in complex with G protein, GLP-1 peptide and a positive allosteric modulator
    • Complex: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short, Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1, Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
      • Protein or peptide: 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: Glucagon-like peptide 1 receptor, Glucagon-like peptide 1
      • Protein or peptide: Glucagon-like peptide 1 receptor
      • Protein or peptide: Glucagon-like peptide 1
    • Complex: Nanobody 35
      • Protein or peptide: Nanobody 35
  • Ligand: 1-[(1R)-1-(2,6-dichloro-3-methoxyphenyl)ethyl]-6-{2-[(2R)-piperidin-2-yl]phenyl}-1H-benzimidazole

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Supramolecule #1: Cryo-EM structure of the Glucagon-like peptide-1 receptor in comp...

SupramoleculeName: Cryo-EM structure of the Glucagon-like peptide-1 receptor in complex with G protein, GLP-1 peptide and a positive allosteric modulator
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#6
Molecular weightTheoretical: 150 KDa

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Supramolecule #3: Guanine nucleotide-binding protein G(s) subunit alpha isoforms sh...

SupramoleculeName: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short, Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1, Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: complex / ID: 3 / Parent: 1 / Macromolecule list: #3-#5
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)

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Supramolecule #2: Glucagon-like peptide 1 receptor, Glucagon-like peptide 1

SupramoleculeName: Glucagon-like peptide 1 receptor, Glucagon-like peptide 1
type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: synthetic construct (others)

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Supramolecule #4: Nanobody 35

SupramoleculeName: Nanobody 35 / type: complex / ID: 4 / Parent: 1 / Macromolecule list: #6
Source (natural)Organism: Lama glama (llama)
Recombinant expressionOrganism: Escherichia coli (E. coli)

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Macromolecule #1: Glucagon-like peptide 1 receptor

MacromoleculeName: Glucagon-like peptide 1 receptor / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 51.233109 KDa
SequenceString: MKTIIALSYI FCLVFADYKD DDDAAAGGSG GSLEVLFQGP GGSGGSRPQG ATVSLWETVQ KWREYRRQCQ RSLTEDPPPA TDLFCNRTF DEYACWPDGE PGSFVNVSCP WYLPWASSVP QGHVYRFCTA EGLWLQKDNS SLPWRDLSEC EESKRGERSS P EEQLLFLY ...String:
MKTIIALSYI FCLVFADYKD DDDAAAGGSG GSLEVLFQGP GGSGGSRPQG ATVSLWETVQ KWREYRRQCQ RSLTEDPPPA TDLFCNRTF DEYACWPDGE PGSFVNVSCP WYLPWASSVP QGHVYRFCTA EGLWLQKDNS SLPWRDLSEC EESKRGERSS P EEQLLFLY IIYTVGYALS FSALVIASAI LLGFRHLHCT RNYIHLNLFA SFILRALSVF IKDAALKWMY STAAQQHQWD GL LSYQDSL SCRLVFLLMQ YCVAANYYWL LVEGVYLYTL LAFSVFSEQW IFRLYVSIGW GVPLLFVVPW GIVKYLYEDE GCW TRNSNM NYWLIIRLPI LFAIGVNFLI FVRVICIVVS KLKANLMCKT DIKCRLAKST LTLIPLLGTH EVIFAFVMDE HARG TLRFI KLFTELSFTS FQGLMVAILY CFVNNEVQLE FRKSWERWRL

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Macromolecule #2: Glucagon-like peptide 1

MacromoleculeName: Glucagon-like peptide 1 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 3.359699 KDa
SequenceString:
HAEGTFTSDV SSYLEGQAAK EFIAWLVKGR G

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Macromolecule #3: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short

MacromoleculeName: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short
type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 44.32616 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MGCLGNSKTE DQRNEEKAQR EANKKIEKQL QKDKQVYRAT HRLLLLGAGE SGKSTIVKQM RILHVNGFNG DSEKATKVQD IKNNLKEAI ETIVAAMSNL VPPVELANPE NQFRVDYILS VMNVPDFDFP PEFYEHAKAL WEDEGVRACY ERSNEYQLID C AQYFLDKI ...String:
MGCLGNSKTE DQRNEEKAQR EANKKIEKQL QKDKQVYRAT HRLLLLGAGE SGKSTIVKQM RILHVNGFNG DSEKATKVQD IKNNLKEAI ETIVAAMSNL VPPVELANPE NQFRVDYILS VMNVPDFDFP PEFYEHAKAL WEDEGVRACY ERSNEYQLID C AQYFLDKI DVIKQADYVP SDQDLLRCRV LTSGIFETKF QVDKVNFHMF DVGGQRDERR KWIQCFNDVT AIIFVVASSS YN MVIREDN QTNRLQEALN LFKSIWNNRW LRTISVILFL NKQDLLAEKV LAGKSKIEDY FPEFARYTTP EDATPEPGED PRV TRAKYF IRDEFLRIST ASGDGRHYCY PHFTCAVDTE NIRRVFNDCR DIIQRMHLRQ YELL

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Macromolecule #4: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 38.534062 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MHHHHHHGSS GSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKL IIWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC R FLDDNQIV ...String:
MHHHHHHGSS GSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKL IIWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC R FLDDNQIV TSSGDTTCAL WDIETGQQTT TFTGHTGDVM SLSLAPDTRL FVSGACDASA KLWDVREGMC RQTFTGHESD IN AICFFPN GNAFATGSDD ATCRLFDLRA DQELMTYSHD NIICGITSVS FSKSGRLLLA GYDDFNCNVW DALKADRAGV LAG HDNRVS CLGVTDDGMA VATGSWDSFL KIWN

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Macromolecule #5: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 7.861143 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI L

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Macromolecule #6: Nanobody 35

MacromoleculeName: Nanobody 35 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Lama glama (llama)
Molecular weightTheoretical: 17.352498 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MKYLLPTAAA GLLLLAAQPA MAQVQLQESG GGLVQPGGSL RLSCAASGFT FSNYKMNWVR QAPGKGLEWV SDISQSGASI SYTGSVKGR FTISRDNAKN TLYLQMNSLK PEDTAVYYCA RCPAPFTRDC FDVTSTTYAY RGQGTQVTVS SHHHHHHEPE A

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Macromolecule #7: 1-[(1R)-1-(2,6-dichloro-3-methoxyphenyl)ethyl]-6-{2-[(2R)-piperid...

MacromoleculeName: 1-[(1R)-1-(2,6-dichloro-3-methoxyphenyl)ethyl]-6-{2-[(2R)-piperidin-2-yl]phenyl}-1H-benzimidazole
type: ligand / ID: 7 / Number of copies: 1 / Formula: QW7
Molecular weightTheoretical: 480.429 Da
Chemical component information

ChemComp-QW7:
1-[(1R)-1-(2,6-dichloro-3-methoxyphenyl)ethyl]-6-{2-[(2R)-piperidin-2-yl]phenyl}-1H-benzimidazole

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

Concentration10 mg/mL
BufferpH: 7.5
GridModel: Quantifoil, UltrAuFoil, R1.2/1.3 / Material: GOLD / Mesh: 200
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 293 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Name: GIF Quantum LS / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average exposure time: 10.8 sec. / Average electron dose: 81.56 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionSoftware - Name: RELION (ver. 3.0)
Startup modelType of model: EMDB MAP
EMDB ID:
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.0) / Number images used: 323427
Initial angle assignmentType: NOT APPLICABLE
Final angle assignmentType: NOT APPLICABLE

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Atomic model buiding 1

Initial modelPDB ID:
RefinementProtocol: FLEXIBLE FIT / Overall B value: 72.5
Output model

PDB-6vcb:
Cryo-EM structure of the Glucagon-like peptide-1 receptor in complex with G protein, GLP-1 peptide and a positive allosteric modulator

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