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- EMDB-68208: Gi bound kappa-opioid receptor in complex with beta01 -

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Basic information

Entry
Database: EMDB / ID: EMD-68208
TitleGi bound kappa-opioid receptor in complex with beta01
Map data
Sample
  • Complex: Gi bound kappa-opioid receptor in complex with beta01
    • 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: Soluble cytochrome b562,Kappa-type opioid receptor
    • Protein or peptide: A1E3Y-PHE-LEU-DLY-A1L9X
KeywordsGPCR / opioid receptor / SIGNALING PROTEIN
Function / homology
Function and homology information


Activation of the phototransduction cascade / Olfactory Signaling Pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Prostacyclin signalling through prostacyclin receptor / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / G alpha (z) signalling events / Glucagon-type ligand receptors / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 ...Activation of the phototransduction cascade / Olfactory Signaling Pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Prostacyclin signalling through prostacyclin receptor / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / G alpha (z) signalling events / Glucagon-type ligand receptors / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 / Sensory perception of sweet, bitter, and umami (glutamate) taste / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / response to acrylamide / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / dynorphin receptor activity / Thromboxane signalling through TP receptor / G beta:gamma signalling through BTK / regulation of saliva secretion / sensory perception of temperature stimulus / Thrombin signalling through proteinase activated receptors (PARs) / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G alpha (s) signalling events / positive regulation of eating behavior / Ca2+ pathway / G-protein activation / Extra-nuclear estrogen signaling / G alpha (12/13) signalling events / adenylate cyclase-inhibiting opioid receptor signaling pathway / G alpha (q) signalling events / negative regulation of luteinizing hormone secretion / Vasopressin regulates renal water homeostasis via Aquaporins / GPER1 signaling / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G protein-coupled opioid receptor activity / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / ADP signalling through P2Y purinoceptor 1 / G protein-coupled opioid receptor signaling pathway / G alpha (i) signalling events / positive regulation of dopamine secretion / positive regulation of potassium ion transmembrane transport / receptor serine/threonine kinase binding / maternal behavior / positive regulation of p38MAPK cascade / sensory perception / neuropeptide binding / Activation of G protein gated Potassium channels / G-protein activation / G beta:gamma signalling through PI3Kgamma / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through PLC beta / ADP signalling through P2Y purinoceptor 1 / Thromboxane signalling through TP receptor / Presynaptic function of Kainate receptors / G beta:gamma signalling through CDC42 / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G alpha (12/13) signalling events / Glucagon-type ligand receptors / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Adrenaline,noradrenaline inhibits insulin secretion / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Ca2+ pathway / G alpha (z) signalling events / Thrombin signalling through proteinase activated receptors (PARs) / Extra-nuclear estrogen signaling / eating behavior / G alpha (s) signalling events / G alpha (q) signalling events / photoreceptor outer segment membrane / spectrin binding / G alpha (i) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / Vasopressin regulates renal water homeostasis via Aquaporins / alkylglycerophosphoethanolamine phosphodiesterase activity / phototransduction, visible light / photoreceptor outer segment / conditioned place preference / estrous cycle / MECP2 regulates neuronal receptors and channels / adenylate cyclase inhibitor activity / positive regulation of protein localization to cell cortex / cardiac muscle cell apoptotic process / T cell migration / behavioral response to cocaine / positive regulation of relaxation of smooth muscle / Adenylate cyclase inhibitory pathway / photoreceptor inner segment / D2 dopamine receptor binding / adenylate cyclase-inhibiting serotonin receptor signaling pathway / G protein-coupled serotonin receptor binding / T-tubule / sensory perception of pain / axon terminus / cellular response to forskolin / Peptide ligand-binding receptors / regulation of mitotic spindle organization / chemokine-mediated signaling pathway
Similarity search - Function
Kappa opioid receptor / Opioid receptor / Cytochrome b562 / Cytochrome b562 / Cytochrome c/b562 / G-protein alpha subunit, group I / Serpentine type 7TM GPCR chemoreceptor Srsx / G protein alpha subunit, helical insertion / G protein alpha subunit / Guanine nucleotide binding protein (G-protein), alpha subunit ...Kappa opioid receptor / Opioid receptor / Cytochrome b562 / Cytochrome b562 / Cytochrome c/b562 / G-protein alpha subunit, group I / Serpentine type 7TM GPCR chemoreceptor Srsx / 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 / G protein beta WD-40 repeat protein / Guanine nucleotide-binding protein, beta subunit / 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
Soluble cytochrome b562 / Kappa-type opioid receptor / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Guanine nucleotide-binding protein G(i) subunit alpha-1 / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
Similarity search - Component
Biological speciesHomo sapiens (human) / Mus musculus (house mouse) / Bos taurus (domestic cattle) / synthetic construct (others)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.86 Å
AuthorsZhang H / Wang R / Shi P / He X / Zhu Q / Xu Y / Yuan Q / Hu W / Wu K / Zheng Y ...Zhang H / Wang R / Shi P / He X / Zhu Q / Xu Y / Yuan Q / Hu W / Wu K / Zheng Y / Zhou L / Liang J / Lv P / Xu Z / Zhuang Y / Xu H / Wang Y / Tian C
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)32130022 China
CitationJournal: To Be Published
Title: Gi bound kappa-opioid receptor in complex with beta01
Authors: Zhang H / Wang R / Shi P / He X / Zhu Q / Xu Y / Yuan Q / Hu W / Wu K / Zheng Y / Zhou L / Liang J / Lv P / Xu Z / Zhuang Y / Xu H / Wang Y / Tian C
History
DepositionJan 8, 2026-
Header (metadata) releaseMay 6, 2026-
Map releaseMay 6, 2026-
UpdateMay 6, 2026-
Current statusMay 6, 2026Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_68208.png

Downloads & links

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Map

FileDownload / File: emd_68208.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.)
0.73 Å/pix.
x 300 pix.
= 219. Å		0.73 Å/pix.
x 300 pix.
= 219. Å		0.73 Å/pix.
x 300 pix.
= 219. Å

Surface

Projections

Slices (1/3)

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Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.73 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.227
Minimum - Maximum-2.0760338 - 3.391275
Average (Standard dev.)0.00085937907 (±0.057704482)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions300300300
Spacing300300300
CellA=B=C: 219.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_68208_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_68208_half_map_2.map
Projections & Slices
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Histogram

Histogram (log scale)

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Sample components

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Entire : Gi bound kappa-opioid receptor in complex with beta01

EntireName: Gi bound kappa-opioid receptor in complex with beta01
Components
  • Complex: Gi bound kappa-opioid receptor in complex with beta01
    • 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: Soluble cytochrome b562,Kappa-type opioid receptor
    • Protein or peptide: A1E3Y-PHE-LEU-DLY-A1L9X

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Supramolecule #1: Gi bound kappa-opioid receptor in complex with beta01

SupramoleculeName: Gi bound kappa-opioid receptor in complex with beta01 / 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) 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: 40.313863 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: GCTLSAEDKA AVERSKMIDR NLREDGEKAA REVKLLLLGA GESGKSTIVK QMKIIHEAGY SEEECKQYKA VVYSNTIQSI IAIIRAMGR LKIDFGDSAR ADDARQLFVL AGAAEEGFMT AELAGVIKRL WKDSGVQACF NRSREYQLND SAAYYLNDLD R IAQPNYIP ...String:
GCTLSAEDKA AVERSKMIDR NLREDGEKAA REVKLLLLGA GESGKSTIVK QMKIIHEAGY SEEECKQYKA VVYSNTIQSI IAIIRAMGR LKIDFGDSAR ADDARQLFVL AGAAEEGFMT AELAGVIKRL WKDSGVQACF NRSREYQLND SAAYYLNDLD R IAQPNYIP TQQDVLRTRV KTTGIVETHF TFKDLHFKMF DVGAQRSERK KWIHCFEGVT AIIFCVALSD YDLVLAEDEE MN RMHESMK LFDSICNNKW FTDTSIILFL NKKDLFEEKI KKSPLTICYP EYAGSNTYEE AAAYIQCQFE DLNKRKDTKE IYT HFTCST DTKNVQFVFD AVTDVIIKNN LKDCGLF

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: Mus musculus (house mouse)
Molecular weightTheoretical: 40.352113 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: HHHHHHGSLL QLRQEAEQLK NQIRDARKAC ADATLSQITN NIDPVGRIQM RTRRTLRGHL AKIYAMHWGT DSRLLVSASQ DGKLIIWDS YTTNKVHAIP LRSSWVMTCA YAPSGNYVAC GGLDNICSIY NLKTREGNVR VSRELAGHTG YLSCCRFLDD N QIVTSSGD ...String:
HHHHHHGSLL QLRQEAEQLK NQIRDARKAC ADATLSQITN NIDPVGRIQM RTRRTLRGHL AKIYAMHWGT DSRLLVSASQ DGKLIIWDS YTTNKVHAIP LRSSWVMTCA YAPSGNYVAC GGLDNICSIY NLKTREGNVR VSRELAGHTG YLSCCRFLDD N QIVTSSGD TTCALWDIET GQQTTTFTGH TGDVMSLSLA PDTRLFVSGA CDASAKLWDV REGMCRQTFT GHESDINAIC FF PNGNAFA TGSDDATCRL FDLRADQELM TYSHDNIICG ITSVSFSKSG RLLLAGYDDF NCNVWDALKA DRAGVLAGHD NRV SCLGVT DDGMAVATGS WDSFLKIWNG SSGGGGSGGG GSSGVSGWRL FKKIS

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: Bos taurus (domestic cattle)
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 #4: Soluble cytochrome b562,Kappa-type opioid receptor

MacromoleculeName: Soluble cytochrome b562,Kappa-type opioid receptor / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 70.171281 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MKTIIALSYI FCLVFADYKD DDDKADLEDN WETLNDNLKV IEKADNAAQV KDALTKMRAA ALDAQKATPP KLEDKSPDSP EMKDFRHGF DILVGQIDDA LKLANEGKVK EAQAAAEQLK TTRNAYIQKY LENLYFQGMG QPGNGSAFLL APNRSHAPDH D VISPAIPV ...String:
MKTIIALSYI FCLVFADYKD DDDKADLEDN WETLNDNLKV IEKADNAAQV KDALTKMRAA ALDAQKATPP KLEDKSPDSP EMKDFRHGF DILVGQIDDA LKLANEGKVK EAQAAAEQLK TTRNAYIQKY LENLYFQGMG QPGNGSAFLL APNRSHAPDH D VISPAIPV IITAVYSVVF VVGLVGNSLV MFVIIRYTKM KTATNIYIFN LALADALVTT TMPFQSTVYL MNSWPFGDVL CK IVISIDY YNMFTSIFTL TMMSVDRYIA VCHPVKALDF RTPLKAKIIN ICIWLLSSSV GISAIVLGGT KVREDVDVIE CSL QFPDDD YSWWDLFMKI CVFIFAFVIP VLIIIVCYTL MILRLKSVRL LSGSREKDRN LRRITRLVLV VVAVFVVCWT PIHI FILVE ALGSTSHSTA ALSSYYFCIA LGYTNSSLNP ILYAFLDENF KRCFRDFCFP LKMRMERQST SVFTLEDFVG DWEQT AAYN LDQVLEQGGV SSLLQNLAVS VTPIQRIVRS GENALKIDIH VIIPYEGLSA DQMAQIEEVF KVVYPVDDHH FKVILP YGT LVIDGVTPNM LNYFGRPYEG IAVFDGKKIT VTGTLWNGNK IIDERLITPD GSMLFRVTIN S

UniProtKB: Soluble cytochrome b562, Kappa-type opioid receptor

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Macromolecule #5: A1E3Y-PHE-LEU-DLY-A1L9X

MacromoleculeName: A1E3Y-PHE-LEU-DLY-A1L9X / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 679.85 Da
SequenceString:
(A1E3Y)FL(DLY)(A1L9X)

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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

MicroscopeFEI TALOS ARCTICA
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: OTHER
Electron opticsIllumination mode: OTHER / Imaging mode: OTHER / Nominal defocus max: 3.0 µm / Nominal defocus min: 1.0 µm
Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

8f7w

Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.86 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 431242
Initial angle assignmentType: OTHER
Final angle assignmentType: OTHER

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