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- EMDB-72790: Neurotensin Receptor 1 (NTSR1) bound to Octotensin in complex wit... -

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Basic information

Entry
Database: EMDB / ID: EMD-72790
TitleNeurotensin Receptor 1 (NTSR1) bound to Octotensin in complex with Gi3 in the Non-Canonical Orientation
Map dataGlobal refinement
Sample
  • Complex: Neurotensin-G protein complex
    • 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: Tachykinin-1
    • Protein or peptide: Neurotensin receptor type 1
    • Protein or peptide: Guanine nucleotide-binding protein G(i) subunit alpha-3
    • Protein or peptide: scFv16
KeywordsComplex / Agonist / MEMBRANE PROTEIN
Function / homology
Function and homology information


G protein-coupled neurotensin receptor activity / inositol phosphate catabolic process / symmetric synapse / positive regulation of locomotion / regulation of inositol trisphosphate biosynthetic process / positive regulation of gamma-aminobutyric acid secretion / L-glutamate import across plasma membrane / D-aspartate import across plasma membrane / negative regulation of adenylate cyclase activity / positive regulation of arachidonate secretion ...G protein-coupled neurotensin receptor activity / inositol phosphate catabolic process / symmetric synapse / positive regulation of locomotion / regulation of inositol trisphosphate biosynthetic process / positive regulation of gamma-aminobutyric acid secretion / L-glutamate import across plasma membrane / D-aspartate import across plasma membrane / negative regulation of adenylate cyclase activity / positive regulation of arachidonate secretion / vocalization behavior / regulation of behavioral fear response / cAMP biosynthetic process / regulation of respiratory gaseous exchange / negative regulation of systemic arterial blood pressure / positive regulation of inhibitory postsynaptic potential / GTP metabolic process / negative regulation of release of sequestered calcium ion into cytosol / response to food / positive regulation of glutamate secretion / response to lipid / temperature homeostasis / regulation of membrane depolarization / positive regulation of inositol phosphate biosynthetic process / response to stress / positive regulation of macroautophagy / detection of temperature stimulus involved in sensory perception of pain / conditioned place preference / Adenylate cyclase inhibitory pathway / positive regulation of release of sequestered calcium ion into cytosol / Peptide ligand-binding receptors / dendritic shaft / neuropeptide signaling pathway / G protein-coupled receptor binding / G protein-coupled receptor activity / G-protein beta/gamma-subunit complex binding / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / Olfactory Signaling Pathway / Activation of the phototransduction cascade / terminal bouton / G protein-coupled acetylcholine receptor signaling pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / Prostacyclin signalling through prostacyclin receptor / GDP binding / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / photoreceptor disc membrane / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / 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 / G alpha (z) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / ADP signalling through P2Y purinoceptor 1 / cellular response to catecholamine stimulus / G beta:gamma signalling through PI3Kgamma / ADORA2B mediated anti-inflammatory cytokines production / adenylate cyclase-activating dopamine receptor signaling pathway / cellular response to prostaglandin E stimulus / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / heterotrimeric G-protein complex / G alpha (12/13) signalling events / Inactivation, recovery and regulation of the phototransduction cascade / G-protein beta-subunit binding / extracellular vesicle / Thrombin signalling through proteinase activated receptors (PARs) / signaling receptor complex adaptor activity / ciliary basal body / GTPase binding / midbody / chemical synaptic transmission / Ca2+ pathway / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events / dendritic spine / G alpha (s) signalling events / G alpha (q) signalling events / cell division / cytoplasmic side of plasma membrane / perikaryon / Ras protein signal transduction / Extra-nuclear estrogen signaling / positive regulation of apoptotic process / membrane raft / G protein-coupled receptor signaling pathway / lysosomal membrane / centrosome / positive regulation of gene expression / GTPase activity / negative regulation of apoptotic process
Similarity search - Function
Tachykinin/Neurokinin-like, conserved site / Tachykinin family signature. / Neurotensin receptor / Neurotensin type 1 receptor / G-protein alpha subunit, group I / G protein alpha subunit, helical insertion / G protein alpha subunit / Guanine nucleotide binding protein (G-protein), alpha subunit / G-protein alpha subunit / G-alpha domain profile. ...Tachykinin/Neurokinin-like, conserved site / Tachykinin family signature. / Neurotensin receptor / Neurotensin type 1 receptor / G-protein alpha subunit, group I / G protein alpha subunit, helical insertion / G protein alpha subunit / Guanine nucleotide binding protein (G-protein), alpha subunit / G-protein alpha subunit / G-alpha domain profile. / 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 / Guanine nucleotide-binding protein, beta subunit / G protein beta WD-40 repeat protein / G-protein, beta subunit / G-protein coupled receptors family 1 signature. / 7 transmembrane receptor (rhodopsin family) / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / 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) subunit alpha-3 / 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 / Tachykinin-1
Similarity search - Component
Biological speciesHomo sapiens (human) / Octopus vulgaris (common octopus) / Mus musculus (house mouse)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.1 Å
AuthorsRobertson MJ
Funding support United States, 1 items
OrganizationGrant numberCountry
Cancer Prevention and Research Institute of Texas (CPRIT) United States
CitationJournal: To Be Published
Title: Prey-specific toxins provide broad venom activity in cephalopods
Authors: Koch LT / Yeung HY / Torres JP / Brandt Z / Palomino S / Ramiro IBL / Acyatan Z / Schumann N / Vo AA / Chase K / Engholm E / Jensen KJ / Hansen LH / Peterson RT / Robertson MJ / Ptwardhan A ...Authors: Koch LT / Yeung HY / Torres JP / Brandt Z / Palomino S / Ramiro IBL / Acyatan Z / Schumann N / Vo AA / Chase K / Engholm E / Jensen KJ / Hansen LH / Peterson RT / Robertson MJ / Ptwardhan A / Schjoldager KT / Safavi-Hemami H
History
DepositionSep 19, 2025-
Header (metadata) releaseSep 23, 2026-
Map releaseSep 23, 2026-
UpdateSep 23, 2026-
Current statusSep 23, 2026Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_72790.png

Downloads & links

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Map

FileDownload / File: emd_72790.map.gz / Format: CCP4 / Size: 107.2 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationGlobal refinement
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 304 pix.
= 252.928 Å		0.83 Å/pix.
x 304 pix.
= 252.928 Å		0.83 Å/pix.
x 304 pix.
= 252.928 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.832 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.15
Minimum - Maximum-1.0745579 - 1.9257966
Average (Standard dev.)-0.00046726025 (±0.031512853)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions304304304
Spacing304304304
CellA=B=C: 252.92801 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: Local Refinement Receptor-RHD

Fileemd_72790_additional_1.map
AnnotationLocal Refinement Receptor-RHD
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: Unsharpened ligand map

Fileemd_72790_additional_2.map
AnnotationUnsharpened ligand map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Global Half map A

Fileemd_72790_half_map_1.map
AnnotationGlobal Half map A
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Global Half map B

Fileemd_72790_half_map_2.map
AnnotationGlobal Half map B
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Neurotensin-G protein complex

EntireName: Neurotensin-G protein complex
Components
  • Complex: Neurotensin-G protein complex
    • 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: Tachykinin-1
    • Protein or peptide: Neurotensin receptor type 1
    • Protein or peptide: Guanine nucleotide-binding protein G(i) subunit alpha-3
    • Protein or peptide: scFv16

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Supramolecule #1: Neurotensin-G protein complex

SupramoleculeName: Neurotensin-G protein complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: 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: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 37.671102 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: PGSSGSELDQ LRQEAEQLKN QIRDARKACA DATLSQITNN IDPVGRIQMR TRRTLRGHLA KIYAMHWGTD SRLLVSASQD GKLIIWDSY TTNKVHAIPL RSSWVMTCAY APSGNYVACG GLDNICSIYN LKTREGNVRV SRELAGHTGY LSCCRFLDDN Q IVTSSGDT ...String:
PGSSGSELDQ LRQEAEQLKN QIRDARKACA DATLSQITNN IDPVGRIQMR TRRTLRGHLA KIYAMHWGTD SRLLVSASQD GKLIIWDSY TTNKVHAIPL RSSWVMTCAY APSGNYVACG GLDNICSIYN LKTREGNVRV SRELAGHTGY LSCCRFLDDN Q IVTSSGDT TCALWDIETG QQTTTFTGHT GDVMSLSLAP DTRLFVSGAC DASAKLWDVR EGMCRQTFTG HESDINAICF FP NGNAFAT GSDDATCRLF DLRADQELMT YSHDNIICGI TSVSFSKSGR LLLAGYDDFN CNVWDALKAD RAGVLAGHDN RVS CLGVTD DGMAVATGSW DSFLKIWN

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

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Macromolecule #2: 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: 2 / 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 #3: Tachykinin-1

MacromoleculeName: Tachykinin-1 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Octopus vulgaris (common octopus)
Molecular weightTheoretical: 1.514857 KDa
Recombinant expressionOrganism: synthetic construct (others)
SequenceString:
GPPKKVSRRP YIL

UniProtKB: Tachykinin-1

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Macromolecule #4: Neurotensin receptor type 1

MacromoleculeName: Neurotensin receptor type 1 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 49.530969 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: DYKDDDDAMG QPGNGSAFLL APNRSHAPDH DVENLYFQGQ RAQAGLEEAL LAPGFGNASG NASERVLAAP SSELDVNTDI YSKVLVTAV YLALFVVGTV GNTVTLFTLA RKKSLQSLQS TVHYHLGSLA LSDLLTLLLA MPVELYNFIW VHHPWAFGDA G CRGYYFLR ...String:
DYKDDDDAMG QPGNGSAFLL APNRSHAPDH DVENLYFQGQ RAQAGLEEAL LAPGFGNASG NASERVLAAP SSELDVNTDI YSKVLVTAV YLALFVVGTV GNTVTLFTLA RKKSLQSLQS TVHYHLGSLA LSDLLTLLLA MPVELYNFIW VHHPWAFGDA G CRGYYFLR DACTYATALN VASLSVERYL AICHPFKAKT LMSRSRTKKF ISAIWLASAL LAVPMLFTMG EQNRSADGQH AG GLVCTPT IHTATVKVVI QVNTFMSFIF PMVVISVLNT IIANKLTVMV RQAAEQGQVC TVGGEHSTFS MAIEPGRVQA LRH GVRVLR AVVIAFVVCW LPYHVRRLMF CYISDEQWTP FLYDFYHYFY MVTNALFYVS STINPILYNL VSANFRHIFL ATLA CLCPV WRRRRKRPAF SRKADSVSSN HTLSSNATRE TLYLEVLFQG

UniProtKB: Neurotensin receptor type 1

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Macromolecule #5: Guanine nucleotide-binding protein G(i) subunit alpha-3

MacromoleculeName: Guanine nucleotide-binding protein G(i) subunit alpha-3
type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 40.584156 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MGCTLSAEDK AAVERSKMID RNLREDGEKA AKEVKLLLLG AGESGKNTIV KQMKIIHEDG YSEDECKQYK VVVYSNTIQS IIAIIRAMG RLKIDFGEAA RADDARQLFV LAGSAEEGVM TPELAGVIKR LWRDGGVQAC FSRSREYQLN DSASYYLNDL D RISQSNYI ...String:
MGCTLSAEDK AAVERSKMID RNLREDGEKA AKEVKLLLLG AGESGKNTIV KQMKIIHEDG YSEDECKQYK VVVYSNTIQS IIAIIRAMG RLKIDFGEAA RADDARQLFV LAGSAEEGVM TPELAGVIKR LWRDGGVQAC FSRSREYQLN DSASYYLNDL D RISQSNYI PTQQDVLRTR VKTTGIVETH FTFKDLYFKM FDVGAQRSER KKWIHCFEGV TAIIFCVALS DYDLVLAEDE EM NRMHASM KLFDSICNNK WFTETSIILF LNKKDLFEEK IKRSPLTICY PEYTGSNTYE EAAAYIQCQF EDLNRRKDTK EIY THFTCS TDTKNVQFVF DAVTDVIIKN NLKECGLY

UniProtKB: Guanine nucleotide-binding protein G(i) subunit alpha-3

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Macromolecule #6: scFv16

MacromoleculeName: scFv16 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 27.784896 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
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 KAAAHHHHHH HH

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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
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 53.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.6 µm / Nominal defocus min: 0.6 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: INSILICO MODEL
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.1 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 921595
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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