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- EMDB-63193: Psilocin-bound Serotonin 2A (5-HT2A) receptor-Gi complex -

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Basic information

Entry
Database: EMDB / ID: EMD-63193
TitlePsilocin-bound Serotonin 2A (5-HT2A) receptor-Gi complex
Map data
Sample
  • Complex: 5-HT2AR-bound DOI in complex with Gi heterotrimer
    • 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: Guanine nucleotide-binding protein G(i) subunit alpha-1
    • Protein or peptide: 5-hydroxytryptamine receptor 2A
  • Ligand: 3-[2-(dimethylamino)ethyl]-1~{H}-indol-4-ol
  • Ligand: CHOLESTEROL
  • Ligand: water
Keywordscomplex / agonist / MEMBRANE PROTEIN
Function / homology
Function and homology information


protein localization to cytoskeleton / positive regulation of heat generation / 1-(4-iodo-2,5-dimethoxyphenyl)propan-2-amine binding / Gq/11-coupled serotonin receptor activity / positive regulation of phosphatidylinositol biosynthetic process / G protein-coupled serotonin receptor signaling pathway / G protein-coupled serotonin receptor complex / neurofilament / cell body fiber / phospholipase C-activating serotonin receptor signaling pathway ...protein localization to cytoskeleton / positive regulation of heat generation / 1-(4-iodo-2,5-dimethoxyphenyl)propan-2-amine binding / Gq/11-coupled serotonin receptor activity / positive regulation of phosphatidylinositol biosynthetic process / G protein-coupled serotonin receptor signaling pathway / G protein-coupled serotonin receptor complex / neurofilament / cell body fiber / phospholipase C-activating serotonin receptor signaling pathway / artery smooth muscle contraction / positive regulation of cytokine production involved in immune response / Serotonin receptors / serotonin receptor activity / G protein-coupled serotonin receptor activity / sensitization / serotonin receptor signaling pathway / urinary bladder smooth muscle contraction / neurotransmitter receptor activity / serotonin binding / positive regulation of platelet aggregation / negative regulation of synaptic transmission, glutamatergic / positive regulation of DNA biosynthetic process / temperature homeostasis / positive regulation of vasoconstriction / detection of temperature stimulus involved in sensory perception of pain / regulation of dopamine secretion / negative regulation of potassium ion transport / protein tyrosine kinase activator activity / positive regulation of execution phase of apoptosis / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / detection of mechanical stimulus involved in sensory perception of pain / positive regulation of fat cell differentiation / adenylate cyclase inhibitor activity / positive regulation of protein localization to cell cortex / behavioral response to cocaine / T cell migration / Adenylate cyclase inhibitory pathway / D2 dopamine receptor binding / response to prostaglandin E / release of sequestered calcium ion into cytosol / adenylate cyclase regulator activity / G protein-coupled serotonin receptor binding / adenylate cyclase-inhibiting serotonin receptor signaling pathway / presynaptic modulation of chemical synaptic transmission / cellular response to forskolin / regulation of mitotic spindle organization / positive regulation of glycolytic process / dendritic shaft / glycolytic process / Regulation of insulin secretion / positive regulation of cholesterol biosynthetic process / negative regulation of insulin secretion / G protein-coupled receptor binding / response to peptide hormone / caveola / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / memory / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / centriolar satellite / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / Activation of the phototransduction cascade / intracellular calcium ion homeostasis / 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 / positive regulation of inflammatory response / G beta:gamma signalling through CDC42 / Prostacyclin signalling through prostacyclin receptor / 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 / GDP binding / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / ADP signalling through P2Y purinoceptor 1 / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / 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 / positive regulation of neuron apoptotic process / G-protein beta-subunit binding / cellular response to prostaglandin E stimulus / heterotrimeric G-protein complex / Inactivation, recovery and regulation of the phototransduction cascade / G alpha (12/13) signalling events / extracellular vesicle
Similarity search - Function
5-Hydroxytryptamine 2A receptor / 5-hydroxytryptamine 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 ...5-Hydroxytryptamine 2A receptor / 5-hydroxytryptamine 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 / 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
5-hydroxytryptamine receptor 2A / 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)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.62 Å
AuthorsXu Z / Shao ZH
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)82404716 China
CitationJournal: To Be Published
Title: Psilocin-bound Serotonin 2A (5-HT2A) receptor-Gi complex
Authors: Xu Z / Shao ZH
History
DepositionJan 17, 2025-
Header (metadata) releaseJan 14, 2026-
Map releaseJan 14, 2026-
UpdateJan 14, 2026-
Current statusJan 14, 2026Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_63193.png

Downloads & links

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Map

FileDownload / File: emd_63193.map.gz / Format: CCP4 / Size: 103 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.75 Å/pix.
x 300 pix.
= 225. Å		0.75 Å/pix.
x 300 pix.
= 225. Å		0.75 Å/pix.
x 300 pix.
= 225. Å

Surface

Projections

Slices (1/3)

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Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.75 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.095
Minimum - Maximum-1.0829895 - 1.6599584
Average (Standard dev.)-0.00053094304 (±0.030627165)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions300300300
Spacing300300300
CellA=B=C: 225.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: #1

Fileemd_63193_additional_1.map
Projections & Slices
AxesZYX

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Density Histograms

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Half map: #2

Fileemd_63193_half_map_1.map
Projections & Slices
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Histogram

Histogram (log scale)

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Half map: #1

Fileemd_63193_half_map_2.map
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Sample components

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Entire : 5-HT2AR-bound DOI in complex with Gi heterotrimer

EntireName: 5-HT2AR-bound DOI in complex with Gi heterotrimer
Components
  • Complex: 5-HT2AR-bound DOI in complex with Gi heterotrimer
    • 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: Guanine nucleotide-binding protein G(i) subunit alpha-1
    • Protein or peptide: 5-hydroxytryptamine receptor 2A
  • Ligand: 3-[2-(dimethylamino)ethyl]-1~{H}-indol-4-ol
  • Ligand: CHOLESTEROL
  • Ligand: water

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Supramolecule #1: 5-HT2AR-bound DOI in complex with Gi heterotrimer

SupramoleculeName: 5-HT2AR-bound DOI in complex with Gi heterotrimer / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#4
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: 37.41693 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKLI IWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC RFLDDNQIVT S SGDTTCAL ...String:
MSELDQLRQE 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 #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: Guanine nucleotide-binding protein G(i) subunit alpha-1

MacromoleculeName: Guanine nucleotide-binding protein G(i) subunit alpha-1
type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
EC number: Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 40.12266 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: TLSAEDKAAV ERSKMIDRNL REDGEKAARE VKLLLLGAGE SGKNTIVKQM KIIHEAGYSE EECKQYKAVV YSNTIQSIIA IIRAMGRLK IDFGDSARAD DARQLFVLAG AAEEGFMTAE LAGVIKRLWK DSGVQACFNR SREYQLNDSA AYYLNDLDRI A QPNYIPTQ ...String:
TLSAEDKAAV ERSKMIDRNL REDGEKAARE VKLLLLGAGE SGKNTIVKQM KIIHEAGYSE EECKQYKAVV YSNTIQSIIA IIRAMGRLK IDFGDSARAD DARQLFVLAG AAEEGFMTAE LAGVIKRLWK DSGVQACFNR SREYQLNDSA AYYLNDLDRI A QPNYIPTQ QDVLRTRVKT TGIVETHFTF KDLHFKMFDV GAQRSERKKW IHCFEGVTAI IFCVALSDYD LVLAEDEEMN RM HASMKLF DSICNNKWFT DTSIILFLNK KDLFEEKIKK SPLTICYPEY AGSNTYEEAA AYIQCQFEDL NKRKDTKEIY THF TCSTDT KNVQFVFDAV TDVIIKNNLK DCGLF

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

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Macromolecule #4: 5-hydroxytryptamine receptor 2A

MacromoleculeName: 5-hydroxytryptamine receptor 2A / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 52.648945 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MDILCEENTS LSSTTNSLMQ LNDDTRLYSN DFNSGEANTS DAFNWTVDSE NRTNLSCEGC LSPSCLSLLH LQEKNWSALL TAVVIILTI AGNILVIMAV SLEKKLQNAT NYFLMSLAIA DMLLGFLVMP VSMLTILYGY RWPLPSKLCA VWIYLDVLFS T ASIMHLCA ...String:
MDILCEENTS LSSTTNSLMQ LNDDTRLYSN DFNSGEANTS DAFNWTVDSE NRTNLSCEGC LSPSCLSLLH LQEKNWSALL TAVVIILTI AGNILVIMAV SLEKKLQNAT NYFLMSLAIA DMLLGFLVMP VSMLTILYGY RWPLPSKLCA VWIYLDVLFS T ASIMHLCA ISLDRYVAIQ NPIHHSRFNS RTKAFLKIIA VWTISVGISM PIPVFGLQDD SKVFKEGSCL LADDNFVLIG SF VSFFIPL TIMVITYFLT IKSLQKEATL CVSDLGTRAK LASFSFLPQS SLSSEKLFQR SIHREPGSYT GRRTMQSISN EQK ACKVLG IVFFLFVVMW CPFFITNIMA VICKESCNED VIGALLNVFV WIGYLSSAVN PLVYTLFNKT YRSAFSRYIQ CQYK ENKKP LQLILVNTIP ALAYKSSQLQ MGQKKNSKQD AKTTDNDCSM VALGKQHSEE ASKDNSDGVN EKVSCV

UniProtKB: 5-hydroxytryptamine receptor 2A

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Macromolecule #5: 3-[2-(dimethylamino)ethyl]-1~{H}-indol-4-ol

MacromoleculeName: 3-[2-(dimethylamino)ethyl]-1~{H}-indol-4-ol / type: ligand / ID: 5 / Number of copies: 1 / Formula: 91Q
Molecular weightTheoretical: 204.268 Da
Chemical component information

ChemComp-91Q:
3-[2-(dimethylamino)ethyl]-1~{H}-indol-4-ol

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Macromolecule #6: CHOLESTEROL

MacromoleculeName: CHOLESTEROL / type: ligand / ID: 6 / Number of copies: 1 / Formula: CLR
Molecular weightTheoretical: 386.654 Da
Chemical component information

ChemComp-CLR:
CHOLESTEROL

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Macromolecule #7: water

MacromoleculeName: water / type: ligand / ID: 7 / Number of copies: 10 / 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

BufferpH: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: TFS FALCON 4i (4k x 4k) / Average electron dose: 50.0 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: 0.9 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: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.62 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 291074
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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