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- EMDB-29287: Human PTH1R in complex with LA-PTH and Gs -

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Entry
Database: EMDB / ID: EMD-29287
TitleHuman PTH1R in complex with LA-PTH and Gs
Map datasharpened consensus map
Sample
  • Complex: Human PTH1R in complex with LA-PTH and Gs
    • 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
    • Protein or peptide: Nanobody35
    • Protein or peptide: Long-acting PTH
    • Protein or peptide: Parathyroid hormone/parathyroid hormone-related peptide receptor
  • Ligand: water
KeywordsGPCR / agonist / hormone / MEMBRANE PROTEIN
Function / homology
Function and homology information


parathyroid hormone receptor activity / Class B/2 (Secretin family receptors) / G protein-coupled peptide receptor activity / osteoblast development / positive regulation of inositol phosphate biosynthetic process / bone mineralization / peptide hormone binding / PKA activation in glucagon signalling / developmental growth / hair follicle placode formation ...parathyroid hormone receptor activity / Class B/2 (Secretin family receptors) / G protein-coupled peptide receptor activity / osteoblast development / positive regulation of inositol phosphate biosynthetic process / bone mineralization / peptide hormone binding / PKA activation in glucagon signalling / developmental growth / hair follicle placode formation / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / chondrocyte differentiation / bone resorption / D1 dopamine receptor binding / intracellular transport / vascular endothelial cell response to laminar fluid shear stress / renal water homeostasis / activation of adenylate cyclase activity / Hedgehog 'off' state / cell maturation / adenylate cyclase-activating adrenergic receptor signaling pathway / cellular response to glucagon stimulus / regulation of insulin secretion / adenylate cyclase activator activity / trans-Golgi network membrane / skeletal system development / negative regulation of inflammatory response to antigenic stimulus / bone development / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / platelet aggregation / G-protein beta/gamma-subunit complex binding / cognition / Olfactory Signaling Pathway / Activation of the phototransduction cascade / adenylate cyclase-activating 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-coupled acetylcholine receptor signaling pathway / intracellular calcium ion homeostasis / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / 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 / photoreceptor disc membrane / Sensory perception of sweet, bitter, and umami (glutamate) taste / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / sensory perception of smell / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / ADP signalling through P2Y purinoceptor 1 / G beta:gamma signalling through PI3Kgamma / adenylate cyclase-activating dopamine receptor signaling pathway / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / 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) / positive regulation of cold-induced thermogenesis / retina development in camera-type eye / G protein activity / GTPase binding / Ca2+ pathway / fibroblast proliferation / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / basolateral plasma membrane / G alpha (q) signalling events / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / in utero embryonic development / Ras protein signal transduction / cell surface receptor signaling pathway / Extra-nuclear estrogen signaling / cell population proliferation / receptor complex / apical plasma membrane / G protein-coupled receptor signaling pathway / negative regulation of cell population proliferation / lysosomal membrane / GTPase activity / positive regulation of cell population proliferation / synapse / GTP binding
Similarity search - Function
GPCR, family 2, parathyroid hormone receptor / 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, parathyroid hormone receptor / 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 / G protein beta WD-40 repeat protein / 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. / 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
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 / Parathyroid hormone/parathyroid hormone-related peptide receptor
Similarity search - Component
Biological speciesHomo sapiens (human) / Lama glama (llama) / synthetic construct (others)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.76 Å
AuthorsCary BP / Belousoff MJ / Piper SJ / Wootten D / Sexton PM
Funding support Australia, 4 items
OrganizationGrant numberCountry
Australian Research Council (ARC)IC200100052 Australia
National Health and Medical Research Council (NHMRC, Australia)1155302 Australia
National Health and Medical Research Council (NHMRC, Australia)1154434 Australia
National Health and Medical Research Council (NHMRC, Australia)1150083 Australia
CitationJournal: Structure / Year: 2023
Title: Molecular insights into peptide agonist engagement with the PTH receptor.
Authors: Brian P Cary / Elliot J Gerrard / Matthew J Belousoff / Madeleine M Fletcher / Yan Jiang / Isabella C Russell / Sarah J Piper / Denise Wootten / Patrick M Sexton /
Abstract: The parathyroid hormone (PTH) 1 receptor (PTH1R) is a G protein-coupled receptor (GPCR) that regulates skeletal development and calcium homeostasis. Here, we describe cryo-EM structures of the PTH1R ...The parathyroid hormone (PTH) 1 receptor (PTH1R) is a G protein-coupled receptor (GPCR) that regulates skeletal development and calcium homeostasis. Here, we describe cryo-EM structures of the PTH1R in complex with fragments of the two hormones, PTH and PTH-related protein, the drug abaloparatide, as well as the engineered tool compounds, long-acting PTH (LA-PTH) and the truncated peptide, M-PTH(1-14). We found that the critical N terminus of each agonist engages the transmembrane bundle in a topologically similar fashion, reflecting similarities in measures of Gαs activation. The full-length peptides induce subtly different extracellular domain (ECD) orientations relative to the transmembrane domain. In the structure bound to M-PTH, the ECD is unresolved, demonstrating that the ECD is highly dynamic when unconstrained by a peptide. High resolutions enabled identification of water molecules near peptide and G protein binding sites. Our results illuminate the action of orthosteric agonists of the PTH1R.
History
DepositionDec 22, 2022-
Header (metadata) releaseApr 26, 2023-
Map releaseApr 26, 2023-
UpdateOct 16, 2024-
Current statusOct 16, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_29287.png

Downloads & links

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Map

FileDownload / File: emd_29287.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotationsharpened consensus map
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.82 Å/pix.
x 320 pix.
= 262.4 Å		0.82 Å/pix.
x 320 pix.
= 262.4 Å		0.82 Å/pix.
x 320 pix.
= 262.4 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.82 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.53
Minimum - Maximum-2.7917774 - 4.0446534
Average (Standard dev.)-0.0020953517 (±0.078303844)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions320320320
Spacing320320320
CellA=B=C: 262.4 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_29287_msk_1.map
Projections & Slices
AxesZYX

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Additional map: unsharpened focused (receptor) refinement

Fileemd_29287_additional_1.map
Annotationunsharpened focused (receptor) refinement
Projections & Slices
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Additional map: unsharpened consensus map

Fileemd_29287_additional_2.map
Annotationunsharpened consensus map
Projections & Slices
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Histogram

Histogram (log scale)

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Half map: half map

Fileemd_29287_half_map_1.map
Annotationhalf map
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Histogram

Histogram (log scale)

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Half map: half map

Fileemd_29287_half_map_2.map
Annotationhalf map
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Sample components

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Entire : Human PTH1R in complex with LA-PTH and Gs

EntireName: Human PTH1R in complex with LA-PTH and Gs
Components
  • Complex: Human PTH1R in complex with LA-PTH and Gs
    • 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
    • Protein or peptide: Nanobody35
    • Protein or peptide: Long-acting PTH
    • Protein or peptide: Parathyroid hormone/parathyroid hormone-related peptide receptor
  • Ligand: water

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Supramolecule #1: Human PTH1R in complex with LA-PTH and Gs

SupramoleculeName: Human PTH1R in complex with LA-PTH and Gs / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#6
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: 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: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 45.683434 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MGCLGNSKTE DQRNEEKAQR EANKKIEKQL QKDKQVYRAT HRLLLLGAGE SGKNTIVKQM RILHVNGFNG EGGEEDPQAA RSNSDGEKA TKVQDIKNNL KEAIETIVAA MSNLVPPVEL ANPENQFRVD YILSVMNVPD FDFPPEFYEH AKALWEDEGV R ACYERSNE ...String:
MGCLGNSKTE DQRNEEKAQR EANKKIEKQL QKDKQVYRAT HRLLLLGAGE SGKNTIVKQM RILHVNGFNG EGGEEDPQAA RSNSDGEKA TKVQDIKNNL KEAIETIVAA MSNLVPPVEL ANPENQFRVD YILSVMNVPD FDFPPEFYEH AKALWEDEGV R ACYERSNE YQLIDCAQYF LDKIDVIKQA DYVPSDQDLL RCRVLTSGIF ETKFQVDKVN FHMFDVGAQR DERRKWIQCF ND VTAIIFV VASSSYNMVI REDNQTNRLQ AALKLFDSIW NNKWLRDTSV ILFLNKQDLL AEKVLAGKSK IEDYFPEFAR YTT PEDATP EPGEDPRVTR AKYFIRDEFL RISTASGDGR HYCYPHFTCA VDTENIRRVF NDCRDIIQRM HLRQYELL

UniProtKB: Guanine nucleotide-binding protein G(s) subunit alpha isoforms short

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Macromolecule #2: 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: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 37.413863 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: QSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKLI IWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC RFLDDNQIVT S SGDTTCAL ...String:
QSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKLI IWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC RFLDDNQIVT S SGDTTCAL WDIETGQQTT TFTGHTGDVM SLSLAPDTRL FVSGACDASA KLWDVREGMC RQTFTGHESD INAICFFPNG NA FATGSDD ATCRLFDLRA DQELMTYSHD NIICGITSVS FSKSGRLLLA GYDDFNCNVW DALKADRAGV LAGHDNRVSC LGV TDDGMA VATGSWDSFL KIWN

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

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Macromolecule #3: 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: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 6.375332 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString:
NTASIAQARK LVEQLKMEAN IDRIKVSKAA ADLMAYCEAH AKEDPLLTPV PASENPFR

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

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Macromolecule #4: Nanobody35

MacromoleculeName: Nanobody35 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Lama glama (llama)
Molecular weightTheoretical: 13.885439 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
QVQLQESGGG LVQPGGSLRL SCAASGFTFS NYKMNWVRQA PGKGLEWVSD ISQSGASISY TGSVKGRFTI SRDNAKNTLY LQMNSLKPE DTAVYYCARC PAPFTRDCFD VTSTTYAYRG QGTQVTVSS

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Macromolecule #5: Long-acting PTH

MacromoleculeName: Long-acting PTH / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 4.324043 KDa
SequenceString:
AVAEIQLMHQ RAKWIQDARR RAFLHKLIAE IHTAEY

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Macromolecule #6: Parathyroid hormone/parathyroid hormone-related peptide receptor

MacromoleculeName: Parathyroid hormone/parathyroid hormone-related peptide receptor
type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 69.513758 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MKTIIALSYI FCLVFADYKD DDDLEVLFQG PADDVMTKEE QIFLLHRAQA QCEKRLKEVL QRPASIMESD KGWTSASTSG KPRKDKASG KLYPESEEDK EAPTGSRYRG RPCLPEWDHI LCWPLGAPGE VVAVPCPDYI YDFNHKGHAY RRCDRNGSWE L VPGHNRTW ...String:
MKTIIALSYI FCLVFADYKD DDDLEVLFQG PADDVMTKEE QIFLLHRAQA QCEKRLKEVL QRPASIMESD KGWTSASTSG KPRKDKASG KLYPESEEDK EAPTGSRYRG RPCLPEWDHI LCWPLGAPGE VVAVPCPDYI YDFNHKGHAY RRCDRNGSWE L VPGHNRTW ANYSECVKFL TNETREREVF DRLGMIYTVG YSVSLASLTV AVLILAYFRR LHCTRNYIHM HLFLSFMLRA VS IFVKDAV LYSGATLDEA ERLTEEELRA IAQAPPPPAT AAAGYAGCRV AVTFFLYFLA TNYYWILVEG LYLHSLIFMA FFS EKKYLW GFTVFGWGLP AVFVAVWVSV RATLANTGCW DLSSGNKKWI IQVPILASIV LNFILFINIV RVLATKLRET NAGR CDTRQ QYRKLLKSTL VLMPLFGVHY IVFMATPYTE VSGTLWQVQM HYEMLFNSFQ GFFVAIIYCF CNGEVQAEIK KSWSR WTLA LDFKRKARSG SSSYSYGPMV SHTSVTNVGP RVGLGLPLSP RLLPTATTNG HPQLPGHAKP GTPALETLET TPPAMA APK DDGFLNGSCS GLDEEASGPE RPPALLQEEW ETVMPAGLEV LFQGPHHHHH HHH

UniProtKB: Parathyroid hormone/parathyroid hormone-related peptide receptor

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Macromolecule #7: water

MacromoleculeName: water / type: ligand / ID: 7 / Number of copies: 5 / Formula: HOH
Molecular weightTheoretical: 18.015 Da
Chemical component information

ChemComp-HOH:
WATER

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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

Concentration3.51 mg/mL
BufferpH: 7.4
Component:
ConcentrationFormulaName
20.0 mMC8H18N2O4SHEPES
100.0 mMNaClSodium Chloride
2.0 mMMgCl2Magnesium Chloride
0.01 percentC47H88O22LMNG
6e-05 percentC31H50O4CHS

Details: Buffer also contained 2 micromolar LA-PTH peptide.
GridModel: Quantifoil R1.2/1.3 / Material: GOLD / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 60 sec. / Pretreatment - Atmosphere: AIR / Details: 20 mA current, negative polarity
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Number grids imaged: 1 / Number real images: 5172 / Average exposure time: 5.03 sec. / Average electron dose: 60.0 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 / Nominal defocus max: 1.5 µm / Nominal defocus min: 0.5 µm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 3695155
Startup modelType of model: NONE
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 2.76 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 3.3.2) / Number images used: 169227
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 3.3.2)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 3.3.2)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial model
PDB IDChain

6nbf

chain_id: R, source_name: PDB, initial_model_type: experimental model

6x18

source_name: PDB, initial_model_type: experimental model
Output model

PDB-8flu:
Human PTH1R in complex with LA-PTH and Gs

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