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Basic information
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Title | CryoEM structure of Go-coupled NTSR1 | |||||||||
![]() | CryoEM structure of Go-coupled NTSR1 | |||||||||
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Function / homology | ![]() response to antipsychotic drug / Peptide ligand-binding receptors / neuropeptide receptor binding / G protein-coupled neurotensin receptor activity / inositol phosphate catabolic process / symmetric synapse / response to mineralocorticoid / D-aspartate import across plasma membrane / positive regulation of gamma-aminobutyric acid secretion / regulation of membrane depolarization ...response to antipsychotic drug / Peptide ligand-binding receptors / neuropeptide receptor binding / G protein-coupled neurotensin receptor activity / inositol phosphate catabolic process / symmetric synapse / response to mineralocorticoid / D-aspartate import across plasma membrane / positive regulation of gamma-aminobutyric acid secretion / regulation of membrane depolarization / L-glutamate import across plasma membrane / positive regulation of arachidonic acid secretion / regulation of respiratory gaseous exchange / neuron spine / positive regulation of inhibitory postsynaptic potential / neuropeptide hormone activity / hyperosmotic response / digestive tract development / negative regulation of systemic arterial blood pressure / negative regulation of release of sequestered calcium ion into cytosol / vesicle docking involved in exocytosis / positive regulation of glutamate secretion / G alpha (q) signalling events / positive regulation of inositol phosphate biosynthetic process / G protein-coupled dopamine receptor signaling pathway / regulation of heart contraction / temperature homeostasis / response to corticosterone / response to lipid / cellular response to lithium ion / detection of temperature stimulus involved in sensory perception of pain / mu-type opioid receptor binding / corticotropin-releasing hormone receptor 1 binding / response to axon injury / neuropeptide signaling pathway / negative regulation of insulin secretion / G protein-coupled serotonin receptor binding / axon terminus / transport vesicle / response to amphetamine / blood vessel diameter maintenance / adult locomotory behavior / cellular response to dexamethasone stimulus / positive regulation of release of sequestered calcium ion into cytosol / cellular response to nerve growth factor stimulus / liver development / response to cocaine / dendritic shaft / learning / locomotory behavior / muscle contraction / G-protein beta/gamma-subunit complex binding / visual learning / Olfactory Signaling Pathway / 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 / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / terminal bouton / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / cytoplasmic side of plasma membrane / 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 / 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 / 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 / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / GTPase binding / response to estradiol / retina development in camera-type eye / phospholipase C-activating G protein-coupled receptor signaling pathway / Ca2+ pathway / G alpha (i) signalling events Similarity search - Function | |||||||||
Biological species | ![]() ![]() ![]() ![]() ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 2.88 Å | |||||||||
![]() | Krumm BE / DiBerto JF / Olsen RHJ / Kang H / Slocum ST / Zhang S / Strachan RT / Fay JF / Roth BL | |||||||||
Funding support | ![]()
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![]() | ![]() 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 |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 55 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 20.6 KB 20.6 KB | Display Display | ![]() |
Images | ![]() | 24.7 KB | ||
Others | ![]() ![]() | 59.4 MB 59.4 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 703.7 KB | Display | ![]() |
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Full document | ![]() | 703.3 KB | Display | |
Data in XML | ![]() | 12.2 KB | Display | |
Data in CIF | ![]() | 14.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8fn1MC ![]() 8fmzC ![]() 8fn0C M: atomic model generated by this map C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Annotation | CryoEM structure of Go-coupled NTSR1 | ||||||||||||||||||||
Voxel size | X=Y=Z: 0.88 Å | ||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: Half Map 1
File | emd_29303_half_map_1.map | ||||||||||||
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Annotation | Half Map 1 | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: Half Map 2
File | emd_29303_half_map_2.map | ||||||||||||
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Annotation | Half Map 2 | ||||||||||||
Projections & Slices |
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Density Histograms |
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Sample components
-Entire : Ternary complex of NTSR1 MiniGo heterotrimer with scFv16
Entire | Name: Ternary complex of NTSR1 MiniGo heterotrimer with scFv16 |
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Components |
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-Supramolecule #1: Ternary complex of NTSR1 MiniGo heterotrimer with scFv16
Supramolecule | Name: Ternary complex of NTSR1 MiniGo heterotrimer with scFv16 type: complex / ID: 1 / Chimera: Yes / Parent: 0 / Macromolecule list: all |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 147 KDa |
-Macromolecule #1: Neurotensin/neuromedin N
Macromolecule | Name: Neurotensin/neuromedin N / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 819.007 Da |
Sequence | String: RRPYIL |
-Macromolecule #2: Neurotensin receptor type 1
Macromolecule | Name: Neurotensin receptor type 1 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 45.842098 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: 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 |
-Macromolecule #3: Guanine nucleotide-binding protein G(o) subunit alpha
Macromolecule | Name: Guanine nucleotide-binding protein G(o) subunit alpha / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 25.451166 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: 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 |
-Macromolecule #4: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
Macromolecule | Name: 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 |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 39.418086 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: 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 |
-Macromolecule #5: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Macromolecule | Name: 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 |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 7.861143 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI L |
-Macromolecule #6: scFv16
Macromolecule | Name: scFv16 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 28.668922 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: 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 |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Buffer | pH: 7.5 / Details: 20mM Hepes, 0.1M NaCl, 0.00075% LMNG, 0.00075% GDN |
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Grid | Model: Quantifoil / Material: GOLD / Mesh: 300 / Pretreatment - Type: GLOW DISCHARGE |
Vitrification | Cryogen name: ETHANE-PROPANE |
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Electron microscopy
Microscope | FEI TALOS ARCTICA |
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Image recording | Film or detector model: GATAN K3 (6k x 4k) / Average electron dose: 44.0 e/Å2 |
Electron beam | Acceleration voltage: 200 kV / Electron source: ![]() |
Electron optics | Illumination 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 model | Type of model: PDB ENTRY PDB model - PDB ID: |
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Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 2.88 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 560249 |
Initial angle assignment | Type: MAXIMUM LIKELIHOOD |
Final angle assignment | Type: MAXIMUM LIKELIHOOD |