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- EMDB-39375: Cryo-EM structure of succinate receptor SUCR1 bound to maleic acid -

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Entry
Database: EMDB / ID: EMD-39375
TitleCryo-EM structure of succinate receptor SUCR1 bound to maleic acid
Map data
Sample
  • Complex: Cryo-EM structure of succinate receptor SUCR1 bound to succinic acid
    • Protein or peptide: Succinate receptor 1
    • 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: Antibody fragment ScFv16
    • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
  • Ligand: MALEIC ACID
Keywordssuccinate receptor / GPR91 / cryo-EM / SUCR1 / MEMBRANE PROTEIN / MEMBRANTE PROTEIN-IMMUNE SYSTEM complex
Function / homology
Function and homology information


regulation of angiotensin metabolic process / renin secretion into blood stream / positive regulation of chemotaxis / Class A/1 (Rhodopsin-like receptors) / macrophage activation involved in immune response / G-protein activation / Activation of the phototransduction cascade / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste ...regulation of angiotensin metabolic process / renin secretion into blood stream / positive regulation of chemotaxis / Class A/1 (Rhodopsin-like receptors) / macrophage activation involved in immune response / G-protein activation / Activation of the phototransduction cascade / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Ca2+ pathway / G alpha (z) signalling events / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / G alpha (q) signalling events / G alpha (i) signalling events / Thrombin signalling through proteinase activated receptors (PARs) / 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 / Thrombin signalling through proteinase activated receptors (PARs) / G alpha (z) signalling events / Extra-nuclear estrogen signaling / photoreceptor outer segment membrane / G alpha (s) signalling events / G alpha (q) signalling events / 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 / photoreceptor outer segment / adenylate cyclase inhibitor activity / energy homeostasis / positive regulation of protein localization to cell cortex / T cell migration / Adenylate cyclase inhibitory pathway / D2 dopamine receptor binding / response to prostaglandin E / adenylate cyclase regulator activity / G protein-coupled serotonin receptor binding / adenylate cyclase-inhibiting serotonin receptor signaling pathway / cardiac muscle cell apoptotic process / photoreceptor inner segment / cellular response to forskolin / regulation of mitotic spindle organization / Regulation of insulin secretion / positive regulation of cholesterol biosynthetic process / negative regulation of insulin secretion / G protein-coupled receptor binding / G protein-coupled receptor activity / response to peptide hormone / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / response to calcium ion / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / centriolar satellite / positive regulation of inflammatory response / ADP signalling through P2Y purinoceptor 12 / Adrenaline,noradrenaline inhibits insulin secretion / GDP binding / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / adenylate cyclase-activating dopamine receptor signaling pathway / GPER1 signaling / glucose homeostasis / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / sensory perception of taste / signaling receptor activity / signaling receptor complex adaptor activity / retina development in camera-type eye / G protein activity / positive regulation of cytosolic calcium ion concentration / cell body
Similarity search - Function
G-protein alpha subunit, group I / 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 ...G-protein alpha subunit, group I / 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
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 / Succinate receptor 1
Similarity search - Component
Biological speciesHomo sapiens (human) / Rattus norvegicus (Norway rat) / synthetic construct (others) / Bos taurus (domestic cattle)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.69 Å
AuthorsLi C / Liu H / Li J / Zhu H / Fu W / Xu HE
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: Cell Res / Year: 2024
Title: Molecular basis of ligand recognition and activation of the human succinate receptor SUCR1.
Authors: Changyao Li / Heng Liu / Jingru Li / Xinheng He / Haoran Zhu / Wei Fu / H Eric Xu /
History
DepositionMar 5, 2024-
Header (metadata) releaseMay 29, 2024-
Map releaseMay 29, 2024-
UpdateNov 20, 2024-
Current statusNov 20, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_39375.png

Downloads & links

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Map

FileDownload / File: emd_39375.map.gz / Format: CCP4 / Size: 64 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 256 pix.
= 186.88 Å		0.73 Å/pix.
x 256 pix.
= 186.88 Å		0.73 Å/pix.
x 256 pix.
= 186.88 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: 0.199
Minimum - Maximum-1.6363983 - 2.6105285
Average (Standard dev.)0.0011295173 (±0.07879536)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 186.88 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_39375_msk_1.map
Projections & Slices
AxesZYX

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Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_39375_half_map_1.map
Projections & Slices
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Histogram (log scale)

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Half map: #1

Fileemd_39375_half_map_2.map
Projections & Slices
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Sample components

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Entire : Cryo-EM structure of succinate receptor SUCR1 bound to succinic acid

EntireName: Cryo-EM structure of succinate receptor SUCR1 bound to succinic acid
Components
  • Complex: Cryo-EM structure of succinate receptor SUCR1 bound to succinic acid
    • Protein or peptide: Succinate receptor 1
    • 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: Antibody fragment ScFv16
    • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
  • Ligand: MALEIC ACID

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Supramolecule #1: Cryo-EM structure of succinate receptor SUCR1 bound to succinic acid

SupramoleculeName: Cryo-EM structure of succinate receptor SUCR1 bound to succinic acid
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#5
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 160 KDa

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Macromolecule #1: Succinate receptor 1

MacromoleculeName: Succinate receptor 1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 38.729672 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MLGIMAWNAT CKNWLAAEAA LEKYYLSIFY GIEFVVGVLG NTIVVYGYIF SLKNWNSSNI YLFNLSVSDL AFLCTLPMLI RSYANGNWI YGDVLCISNR YVLHANLYTS ILFLTFISID RYLIIKYPFR EHLLQKKEFA ILISLAIWVL VTLELLPILP L INPVITDN ...String:
MLGIMAWNAT CKNWLAAEAA LEKYYLSIFY GIEFVVGVLG NTIVVYGYIF SLKNWNSSNI YLFNLSVSDL AFLCTLPMLI RSYANGNWI YGDVLCISNR YVLHANLYTS ILFLTFISID RYLIIKYPFR EHLLQKKEFA ILISLAIWVL VTLELLPILP L INPVITDN GTTCNDFASS GDPNYNLIYS MCLTLLGFLI PLFVMCFFYY KIALFLKQRN RQVATALPLE KPLNLVIMAV VI FSVLFTP YHVMRNVRIA SRLGSWKQYQ CTQVVINSFY IVTRPLAFLN SVINPVFYFL LGDHFRDMLM NQLRHNFKSL TSF SRWAHE LLLSFREK

UniProtKB: Succinate receptor 1

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Macromolecule #2: Guanine nucleotide-binding protein G(i) subunit alpha-1

MacromoleculeName: Guanine nucleotide-binding protein G(i) subunit alpha-1
type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 40.414047 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MGCTLSAEDK AAVERSKMID RNLREDGEKA AREVKLLLLG AGESGKNTIV KQMKIIHEAG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDSA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI ...String:
MGCTLSAEDK AAVERSKMID RNLREDGEKA AREVKLLLLG AGESGKNTIV KQMKIIHEAG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDSA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI PTQQDVLRTR VKTTGIVETH FTFKDLHFKM FDVGAQRSER KKWIHCFEGV TAIIFCVALS DYDLVLAEDE EM NRMHASM KLFDSICNNK WFTDTSIILF LNKKDLFEEK IKKSPLTICY PEYAGSNTYE EAAAYIQCQF EDLNKRKDTK EIY THFTCS TDTKNVQFVF DAVTDVIIKN NLKDCGLF

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

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Macromolecule #3: 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: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 37.41693 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
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 #4: Antibody fragment ScFv16

MacromoleculeName: Antibody fragment ScFv16 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 26.309299 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: VQLVESGGGL VQPGGSRKLS CSASGFAFSS FGMHWVRQAP EKGLEWVAYI SSGSGTIYYA DTVKGRFTIS RDDPKNTLFL QMTSLRSED TAMYYCVRSI YYYGSSPFDF WGQGTTLTVS SGGGGSGGGG SGGGGSSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS ...String:
VQLVESGGGL VQPGGSRKLS CSASGFAFSS FGMHWVRQAP EKGLEWVAYI SSGSGTIYYA DTVKGRFTIS RDDPKNTLFL QMTSLRSED TAMYYCVRSI YYYGSSPFDF WGQGTTLTVS SGGGGSGGGG SGGGGSSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS NGNTYLYWFL QRPGQSPQLL IYRMSNLASG VPDRFSGSGS GTAFTLTISR LEAEDVGVYY CMQHLEYPLT FG AGTKLEL

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Macromolecule #5: 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: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Bos taurus (domestic cattle)
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 #6: MALEIC ACID

MacromoleculeName: MALEIC ACID / type: ligand / ID: 6 / Number of copies: 1 / Formula: MAE
Molecular weightTheoretical: 116.072 Da
Chemical component information

ChemComp-MAE:
MALEIC ACID

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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 TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k 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: 5.0 µm / Nominal defocus min: 1.2 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.69 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 394879
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION

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