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- EMDB-29303: CryoEM structure of Go-coupled NTSR1 -

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Entry
Database: EMDB / ID: EMD-29303
TitleCryoEM structure of Go-coupled NTSR1
Map dataCryoEM structure of Go-coupled NTSR1
Sample
  • Complex: Ternary complex of NTSR1 MiniGo heterotrimer with scFv16
    • Protein or peptide: Neurotensin/neuromedin N
    • Protein or peptide: Neurotensin receptor type 1
    • Protein or peptide: Guanine nucleotide-binding protein G(o) subunit alpha
    • 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: scFv16
KeywordsGPCR / neurotensin receptor / allosterism / SBI-553 / MEMBRANE PROTEIN
Function / homology
Function and homology information


regulation of locomotion involved in locomotory behavior / Peptide ligand-binding receptors / positive regulation of locomotion / neuropeptide receptor binding / G protein-coupled neurotensin receptor activity / regulation of inositol trisphosphate biosynthetic process / inositol phosphate catabolic process / symmetric synapse / D-aspartate import across plasma membrane / positive regulation of gamma-aminobutyric acid secretion ...regulation of locomotion involved in locomotory behavior / Peptide ligand-binding receptors / positive regulation of locomotion / neuropeptide receptor binding / G protein-coupled neurotensin receptor activity / regulation of inositol trisphosphate biosynthetic process / inositol phosphate catabolic process / symmetric synapse / D-aspartate import across plasma membrane / positive regulation of gamma-aminobutyric acid secretion / regulation of membrane depolarization / positive regulation of arachidonate secretion / vocalization behavior / response to antipsychotic drug / neuron spine / L-glutamate import across plasma membrane / regulation of behavioral fear response / mu-type opioid receptor binding / regulation of respiratory gaseous exchange / corticotropin-releasing hormone receptor 1 binding / neuropeptide hormone activity / cAMP biosynthetic process / positive regulation of inhibitory postsynaptic potential / negative regulation of systemic arterial blood pressure / negative regulation of release of sequestered calcium ion into cytosol / vesicle docking involved in exocytosis / digestive tract development / G alpha (q) signalling events / positive regulation of glutamate secretion / hyperosmotic response / response to mineralocorticoid / G protein-coupled dopamine receptor signaling pathway / response to food / response to corticosterone / cellular response to lithium ion / temperature homeostasis / response to lipid / positive regulation of inositol phosphate biosynthetic process / regulation of heart contraction / parallel fiber to Purkinje cell synapse / detection of temperature stimulus involved in sensory perception of pain / response to stress / associative learning / conditioned place preference / cellular response to dexamethasone stimulus / neuropeptide signaling pathway / postsynaptic modulation of chemical synaptic transmission / response to axon injury / transport vesicle / adenylate cyclase regulator activity / G protein-coupled serotonin receptor binding / adenylate cyclase-inhibiting serotonin receptor signaling pathway / axon terminus / muscle contraction / response to amphetamine / blood vessel diameter maintenance / positive regulation of release of sequestered calcium ion into cytosol / dendritic shaft / adult locomotory behavior / learning / response to cocaine / locomotory behavior / liver development / negative regulation of insulin secretion / cellular response to nerve growth factor stimulus / GABA-ergic synapse / visual learning / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / cytoplasmic side of plasma membrane / 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 / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / terminal bouton / 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 / 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 / response to estradiol
Similarity search - Function
Neurotensin/neuromedin N / Neurotensin/neuromedin N precursor / Neurotensin receptor / Neurotensin type 1 receptor / G-protein alpha subunit, group I / 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 ...Neurotensin/neuromedin N / Neurotensin/neuromedin N precursor / Neurotensin receptor / Neurotensin type 1 receptor / G-protein alpha subunit, group I / 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 coupled receptors family 1 signature. / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / 7 transmembrane receptor (rhodopsin family) / 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(o) subunit alpha / Neurotensin/neuromedin N / Neurotensin receptor type 1 / 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
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat) / Homo sapiens (human) / Escherichia coli (E. coli)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.88 Å
AuthorsKrumm BE / DiBerto JF / Olsen RHJ / Kang H / Slocum ST / Zhang S / Strachan RT / Fay JF / Roth BL
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)0000-0002-0561-6520 United States
CitationJournal: Biochemistry / Year: 2023
Title: Neurotensin Receptor Allosterism Revealed in Complex with a Biased Allosteric Modulator.
Authors: Brian E Krumm / Jeffrey F DiBerto / Reid H J Olsen / Hye Jin Kang / Samuel T Slocum / Shicheng Zhang / Ryan T Strachan / Xi-Ping Huang / Lauren M Slosky / Anthony B Pinkerton / Lawrence S ...Authors: Brian E Krumm / Jeffrey F DiBerto / Reid H J Olsen / Hye Jin Kang / Samuel T Slocum / Shicheng Zhang / Ryan T Strachan / Xi-Ping Huang / Lauren M Slosky / Anthony B Pinkerton / Lawrence S Barak / Marc G Caron / Terry Kenakin / Jonathan F Fay / Bryan L Roth /
Abstract: The NTSR1 neurotensin receptor (NTSR1) is a G protein-coupled receptor (GPCR) found in the brain and peripheral tissues with neurotensin (NTS) being its endogenous peptide ligand. In the brain, NTS ...The NTSR1 neurotensin receptor (NTSR1) is a G protein-coupled receptor (GPCR) found in the brain and peripheral tissues with neurotensin (NTS) being its endogenous peptide ligand. In the brain, NTS modulates dopamine neuronal activity, induces opioid-independent analgesia, and regulates food intake. Recent studies indicate that biasing NTSR1 toward β-arrestin signaling can attenuate the actions of psychostimulants and other drugs of abuse. Here, we provide the cryoEM structures of NTSR1 ternary complexes with heterotrimeric Gq and GoA with and without the brain-penetrant small-molecule SBI-553. In functional studies, we discovered that SBI-553 displays complex allosteric actions exemplified by negative allosteric modulation for G proteins that are Gα subunit selective and positive allosteric modulation and agonism for β-arrestin translocation at NTSR1. Detailed structural analysis of the allosteric binding site illuminated the structural determinants for biased allosteric modulation of SBI-553 on NTSR1.
History
DepositionDec 26, 2022-
Header (metadata) releaseMar 29, 2023-
Map releaseMar 29, 2023-
UpdateOct 30, 2024-
Current statusOct 30, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_29303.png

Downloads & links

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Map

FileDownload / File: emd_29303.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationCryoEM structure of Go-coupled NTSR1
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.88 Å/pix.
x 256 pix.
= 225.28 Å		0.88 Å/pix.
x 256 pix.
= 225.28 Å		0.88 Å/pix.
x 256 pix.
= 225.28 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.88 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.085
Minimum - Maximum-0.033172294 - 1.6412506
Average (Standard dev.)0.0015520484 (±0.025630554)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 225.27998 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: Half Map 1

Fileemd_29303_half_map_1.map
AnnotationHalf Map 1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half Map 2

Fileemd_29303_half_map_2.map
AnnotationHalf Map 2
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Ternary complex of NTSR1 MiniGo heterotrimer with scFv16

EntireName: Ternary complex of NTSR1 MiniGo heterotrimer with scFv16
Components
  • Complex: Ternary complex of NTSR1 MiniGo heterotrimer with scFv16
    • Protein or peptide: Neurotensin/neuromedin N
    • Protein or peptide: Neurotensin receptor type 1
    • Protein or peptide: Guanine nucleotide-binding protein G(o) subunit alpha
    • 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: scFv16

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Supramolecule #1: Ternary complex of NTSR1 MiniGo heterotrimer with scFv16

SupramoleculeName: Ternary complex of NTSR1 MiniGo heterotrimer with scFv16
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 147 KDa

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Macromolecule #1: Neurotensin/neuromedin N

MacromoleculeName: Neurotensin/neuromedin N / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 819.007 Da
SequenceString:
RRPYIL

UniProtKB: Neurotensin/neuromedin N

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Macromolecule #2: Neurotensin receptor type 1

MacromoleculeName: Neurotensin receptor type 1 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 45.842098 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MHHHHHHHHH HSDLEVLFQG PLGSGATSES DTAGPNSDLD VNTDIYSKVL VTAIYLALFV VGTVGNSVTL FTLARKKSLQ SLQSTVHYH LGSLALSDLL ILLLAMPVEL YNFIWVHHPW AFGDAGCRGY YFLRDACTYA TALNVASLSV ERYLAICHPF K AKTLMSRS ...String:
MHHHHHHHHH HSDLEVLFQG PLGSGATSES DTAGPNSDLD VNTDIYSKVL VTAIYLALFV VGTVGNSVTL FTLARKKSLQ SLQSTVHYH LGSLALSDLL ILLLAMPVEL YNFIWVHHPW AFGDAGCRGY YFLRDACTYA TALNVASLSV ERYLAICHPF K AKTLMSRS RTKKFISAIW LASALLAIPM LFTMGLQNRS ADGTHPGGLV CTPIVDTATV KVVIQVNTFM SFLFPMLVIS IL NTVIANK LTVMVHQAAE QGRVCTVGTH NGLEHSTFNM TIEPGRVQAL RHGVLVLRAV VIAFVVCWLP YHVRRLMFCY ISD EQWTTF LFDFYHYFYM LTNALFYASS AINPILYNLV SANFRQVFLS TLACLCPGWR HRRKKRPTFS RKPNSMSSNH AFST SATRE TLY

UniProtKB: Neurotensin receptor type 1

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Macromolecule #3: Guanine nucleotide-binding protein G(o) subunit alpha

MacromoleculeName: Guanine nucleotide-binding protein G(o) subunit alpha / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 25.451166 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MGCTLSAEDK AAVERSKMIE KNLKEDGISA AKDVKLLLLG ADNSGKSTIV KQMKIIHGGS GGSGGTTGIV ETHFTFKNLH FRLFDVGGQ RSERKKWIHC FEDVTAIIFC VDLSDYNRMH ESLMLFDSIC NNKFFIDTSI ILFLNKKDLF GEKIKKSPLT I CFPEYTGP ...String:
MGCTLSAEDK AAVERSKMIE KNLKEDGISA AKDVKLLLLG ADNSGKSTIV KQMKIIHGGS GGSGGTTGIV ETHFTFKNLH FRLFDVGGQ RSERKKWIHC FEDVTAIIFC VDLSDYNRMH ESLMLFDSIC NNKFFIDTSI ILFLNKKDLF GEKIKKSPLT I CFPEYTGP NTYEDAAAYI QAQFESKNRS PNKEIYCHMT CATDTNNAQV IFDAVTDIII ANNLRGCGLY

UniProtKB: Guanine nucleotide-binding protein G(o) subunit alpha, Guanine nucleotide-binding protein G(o) subunit alpha

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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: 39.418086 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MHHHHHHLEV LFQGPGSSGS ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLV SASQDGKLII WDSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG H TGYLSCCR ...String:
MHHHHHHLEV LFQGPGSSGS ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLV SASQDGKLII WDSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG H TGYLSCCR FLDDNQIVTS SGDTTCALWD IETGQQTTTF TGHTGDVMSL SLAPDTRLFV SGACDASAKL WDVREGMCRQ TF TGHESDI NAICFFPNGN AFATGSDDAT CRLFDLRADQ ELMTYSHDNI ICGITSVSFS KSGRLLLAGY DDFNCNVWDA LKA DRAGVL AGHDNRVSCL GVTDDGMAVA TGSWDSFLKI WN

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

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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

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

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Macromolecule #6: scFv16

MacromoleculeName: scFv16 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 28.668922 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS ...String:
DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS NGNTYLYWFL QRPGQSPQLL IYRMSNLASG VPDRFSGSGS GTAFTLTISR LEAEDVGVYY CMQHLEYPLT FG AGTKLEL KAAALEVLFQ GPHHHHHHHH

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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

BufferpH: 7.5 / Details: 20mM Hepes, 0.1M NaCl, 0.00075% LMNG, 0.00075% GDN
GridModel: Quantifoil / Material: GOLD / Mesh: 300 / Pretreatment - Type: GLOW DISCHARGE
VitrificationCryogen name: ETHANE-PROPANE

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Electron microscopy

MicroscopeFEI TALOS ARCTICA
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 44.0 e/Å2
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.2 µm / Nominal defocus min: 0.1 µm
Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

4xes

Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.88 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 560249
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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