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- EMDB-47992: Cannabinoid receptor 1-Gi complex with novel ligand -

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Basic information

Entry
Database: EMDB / ID: EMD-47992
TitleCannabinoid receptor 1-Gi complex with novel ligand
Map data
Sample
  • Complex: Signaling complex of the cannabinoid receptor 1 bound to Gi
    • Protein or peptide: Guanine nucleotide-binding protein G(i) subunit alpha-1
  • 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: Cannabinoid receptor 1
  • Protein or peptide: scFv16
  • Ligand: methyl (2R)-2-({(1M)-5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-3-carbonyl}amino)-2-(thiophen-2-yl)propanoate
KeywordsGPCR / G protein / Gi / cannabinoid receptor / CB1 / SIGNALING PROTEIN
Function / homology
Function and homology information


cannabinoid signaling pathway / regulation of penile erection / negative regulation of dopamine secretion / retrograde trans-synaptic signaling by endocannabinoid / cannabinoid receptor activity / negative regulation of mast cell activation / negative regulation of fatty acid beta-oxidation / negative regulation of serotonin secretion / positive regulation of acute inflammatory response to antigenic stimulus / regulation of feeding behavior ...cannabinoid signaling pathway / regulation of penile erection / negative regulation of dopamine secretion / retrograde trans-synaptic signaling by endocannabinoid / cannabinoid receptor activity / negative regulation of mast cell activation / negative regulation of fatty acid beta-oxidation / negative regulation of serotonin secretion / positive regulation of acute inflammatory response to antigenic stimulus / regulation of feeding behavior / regulation of presynaptic cytosolic calcium ion concentration / negative regulation of action potential / positive regulation of blood pressure / positive regulation of fever generation / Class A/1 (Rhodopsin-like receptors) / axonal fasciculation / regulation of metabolic process / regulation of synaptic transmission, GABAergic / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / maternal process involved in female pregnancy / Adenylate cyclase inhibitory pathway / positive regulation of protein localization to cell cortex / T cell migration / regulation of synaptic transmission, glutamatergic / D2 dopamine receptor binding / response to prostaglandin E / G protein-coupled serotonin receptor binding / adenylate cyclase-inhibiting serotonin receptor signaling pathway / adenylate cyclase regulator activity / negative regulation of blood pressure / response to nutrient / cellular response to forskolin / regulation of insulin secretion / regulation of mitotic spindle organization / GABA-ergic synapse / Regulation of insulin secretion / response to nicotine / G protein-coupled receptor binding / response to cocaine / positive regulation of cholesterol biosynthetic process / G protein-coupled receptor activity / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / positive regulation of neuron projection development / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / response to peptide hormone / memory / 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 / G-protein activation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / adenylate cyclase-activating G protein-coupled receptor signaling pathway / 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 / Sensory perception of sweet, bitter, and umami (glutamate) taste / photoreceptor disc membrane / 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 / GDP binding / ADORA2B mediated anti-inflammatory cytokines production / cellular response to catecholamine stimulus / 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 / actin cytoskeleton / 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 / glucose homeostasis / G alpha (12/13) signalling events / sensory perception of taste / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / presynaptic membrane / G protein activity / growth cone / GTPase binding / Ca2+ pathway / retina development in camera-type eye / cell cortex / midbody / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / fibroblast proliferation / phospholipase C-activating G protein-coupled receptor signaling pathway
Similarity search - Function
Cannabinoid receptor type 1 / Cannabinoid receptor family / G-protein alpha subunit, group I / Serpentine type 7TM GPCR chemoreceptor Srsx / 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 ...Cannabinoid receptor type 1 / Cannabinoid receptor family / G-protein alpha subunit, group I / Serpentine type 7TM GPCR chemoreceptor Srsx / 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 / 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. / 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
Cannabinoid receptor 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 / Guanine nucleotide-binding protein G(i) subunit alpha-1
Similarity search - Component
Biological speciesHomo sapiens (human) / Mus musculus (house mouse)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsTummino TA / Iliopoulos-Tsoutsouvas C / Braz JM / O'Brien ES / Krishna Kumar K / Makriyannis M / Basbaum AI / Shoichet BK
Funding support United States, 1 items
OrganizationGrant numberCountry
Defense Advanced Research Projects Agency (DARPA)HR0011-19-2-0020 United States
CitationJournal: Nat Commun / Year: 2025
Title: Virtual library docking for cannabinoid-1 receptor agonists with reduced side effects
Authors: Tummino TA / Iliopoulos-Tsoutsouvas C / Braz JM / O'Brien ES / Krishna Kumar K / Makriyannis M / Basbaum AI / Shoichet BK
History
DepositionNov 21, 2024-
Header (metadata) releaseApr 30, 2025-
Map releaseApr 30, 2025-
UpdateApr 30, 2025-
Current statusApr 30, 2025Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_47992.png

Downloads & links

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Map

FileDownload / File: emd_47992.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.85 Å/pix.
x 320 pix.
= 272.672 Å		0.85 Å/pix.
x 320 pix.
= 272.672 Å		0.85 Å/pix.
x 320 pix.
= 272.672 Å

Surface

Projections

Slices (1/3)

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Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.8521 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.458
Minimum - Maximum-2.8509276 - 4.415453
Average (Standard dev.)-0.0020415618 (±0.08101661)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions320320320
Spacing320320320
CellA=B=C: 272.672 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: #1

Fileemd_47992_additional_1.map
Projections & Slices
AxesZYX

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Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_47992_half_map_1.map
Projections & Slices
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Histogram

Histogram (log scale)

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Half map: #1

Fileemd_47992_half_map_2.map
Projections & Slices
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Sample components

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Entire : Signaling complex of the cannabinoid receptor 1 bound to Gi

EntireName: Signaling complex of the cannabinoid receptor 1 bound to Gi
Components
  • Complex: Signaling complex of the cannabinoid receptor 1 bound to Gi
    • Protein or peptide: Guanine nucleotide-binding protein G(i) subunit alpha-1
  • 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: Cannabinoid receptor 1
  • Protein or peptide: scFv16
  • Ligand: methyl (2R)-2-({(1M)-5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-3-carbonyl}amino)-2-(thiophen-2-yl)propanoate

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Supramolecule #1: Signaling complex of the cannabinoid receptor 1 bound to Gi

SupramoleculeName: Signaling complex of the cannabinoid receptor 1 bound to Gi
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Guanine nucleotide-binding protein G(i) subunit alpha-1

MacromoleculeName: Guanine nucleotide-binding protein G(i) subunit alpha-1
type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 40.415031 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MGCTLSAEDK AAVERSKMID RNLREDGEKA AREVKLLLLG AGESGKSTIV KQMKIIHEAG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDSA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI ...String:
MGCTLSAEDK AAVERSKMID RNLREDGEKA AREVKLLLLG AGESGKSTIV KQMKIIHEAG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDSA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI PTQQDVLRTR VKTTGIVETH FTFKDLHFKM FDVGGQRSER KKWIHCFEGV TAIIFCVALS DYDLVLAEDE EM NRMHESM KLFDSICNNK WFTDTSIILF LNKKDLFEEK IKKSPLTICY PEYAGSNTYE EAAAYIQCQF EDLNKRKDTK EIY THFTCA TDTKNVQFVF DAVTDVIIKN NLKDCGLF

UniProtKB: Guanine nucleotide-binding protein G(i) subunit alpha-1

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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: 37.671102 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
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 #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: 7.861143 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
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 #4: Cannabinoid receptor 1

MacromoleculeName: Cannabinoid receptor 1 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 55.678535 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: DYKDDDDAMK SILDGLADTT FRTITTDLLY VGSNDIQYED IKGDMASKLG YFPQKFPLTS FRGSPFQEKM TAGDNPQLVP ADQVNITEF YNKSLSENLY FQGSFKENEE NIQCGENFMD IECFMVLNPS QQLAIAVLSL TLGTFTVLEN LLVLCVILHS R SLRCRPSY ...String:
DYKDDDDAMK SILDGLADTT FRTITTDLLY VGSNDIQYED IKGDMASKLG YFPQKFPLTS FRGSPFQEKM TAGDNPQLVP ADQVNITEF YNKSLSENLY FQGSFKENEE NIQCGENFMD IECFMVLNPS QQLAIAVLSL TLGTFTVLEN LLVLCVILHS R SLRCRPSY HFIGSLAVAD LLGSVIFVYS FIDFHVFHRK DSRNVFLFKL GGVTASFTAS VGSLFLTAID RYISIHRPLA YK RIVTRPK AVVAFCLMWT IAIVIAVLPL LGWNCEKLQS VCSDIFPHID ETYLMFWIGV TSVLLLFIVY AYMYILWKAH SHA VRMIQR GTQKSIIIHT SEDGKVQVTR PDQARMDIRL AKTLVLILVV LIICWGPLLA IMVYDVFGKM NKLIKTVFAF CSML CLLNS TVNPIIYALR SKDLRHAFRS MFPSCEGTAQ PLDNSMGDSD CLHKHANNAA SVHRAAESCI KSTVKIAKVT MSVST DTSA EALGSHHHHH H

UniProtKB: Cannabinoid receptor 1

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Macromolecule #5: scFv16

MacromoleculeName: scFv16 / type: protein_or_peptide / ID: 5 / 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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Macromolecule #6: methyl (2R)-2-({(1M)-5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-py...

MacromoleculeName: methyl (2R)-2-({(1M)-5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-3-carbonyl}amino)-2-(thiophen-2-yl)propanoate
type: ligand / ID: 6 / Number of copies: 1 / Formula: YVF
Molecular weightTheoretical: 437.435 Da

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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: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 56.6 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.7000000000000001 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

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

6n4b

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 465411
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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