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- EMDB-35235: Cryo-EM structure of GSK256073 bound human hydroxy-carboxylic aci... -

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Entry
Database: EMDB / ID: EMD-35235
TitleCryo-EM structure of GSK256073 bound human hydroxy-carboxylic acid receptor 2 in complex with Gi heterotrimer
Map datasharpening map
Sample
  • Complex: GSK256073 bound human hydroxy-carboxylic acid receptor 2 in complex with Gi heterotrimer
    • Protein or peptide: Human hydroxycarboxylic acid receptor 2,Hydroxycarboxylic acid receptor 2
    • 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: scFv16
  • Ligand: 8-chloranyl-3-pentyl-7H-purine-2,6-dione
KeywordsGPCR / G-Protein / MEMBRANE PROTEIN / signaling
Function / homology
Function and homology information


nicotinic acid receptor activity / Hydroxycarboxylic acid-binding receptors / neutrophil apoptotic process / positive regulation of neutrophil apoptotic process / Class A/1 (Rhodopsin-like receptors) / positive regulation of adiponectin secretion / T cell migration / D2 dopamine receptor binding / Adenylate cyclase inhibitory pathway / positive regulation of protein localization to cell cortex ...nicotinic acid receptor activity / Hydroxycarboxylic acid-binding receptors / neutrophil apoptotic process / positive regulation of neutrophil apoptotic process / Class A/1 (Rhodopsin-like receptors) / positive regulation of adiponectin secretion / T cell migration / D2 dopamine receptor binding / Adenylate cyclase inhibitory pathway / positive regulation of protein localization to cell cortex / negative regulation of lipid catabolic process / regulation of cAMP-mediated signaling / G protein-coupled serotonin receptor binding / cellular response to forskolin / regulation of mitotic spindle organization / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / Regulation of insulin secretion / G protein-coupled receptor binding / G-protein beta/gamma-subunit complex binding / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / 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 / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / response to peptide hormone / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Sensory perception of sweet, bitter, and umami (glutamate) taste / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / 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 / ADORA2B mediated anti-inflammatory cytokines production / cellular response to catecholamine stimulus / sensory perception of taste / 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 / GPER1 signaling / GDP binding / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / Inactivation, recovery and regulation of the phototransduction cascade / heterotrimeric G-protein complex / G alpha (12/13) signalling events / extracellular vesicle / signaling receptor complex adaptor activity / cell junction / Thrombin signalling through proteinase activated receptors (PARs) / GTPase binding / retina development in camera-type eye / Ca2+ pathway / cell cortex / phospholipase C-activating G protein-coupled receptor signaling pathway / midbody / G alpha (i) signalling events / fibroblast proliferation / G alpha (s) signalling events / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / G alpha (q) signalling events / Ras protein signal transduction / cell population proliferation / Extra-nuclear estrogen signaling / G protein-coupled receptor signaling pathway / lysosomal membrane / cell division / GTPase activity / centrosome / synapse / protein-containing complex binding / GTP binding / nucleolus / magnesium ion binding / signal transduction / extracellular exosome / nucleoplasm / membrane / plasma membrane / cytosol / cytoplasm
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 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 / 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
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 / Hydroxycarboxylic acid receptor 2
Similarity search - Component
Biological speciesHomo sapiens (human) / Mus musculus (house mouse)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.39 Å
AuthorsPark JH / Ishimoto N / Park SY
Funding support1 items
OrganizationGrant numberCountry
Not funded
CitationJournal: Nat Commun / Year: 2023
Title: Structural basis for ligand recognition and signaling of hydroxy-carboxylic acid receptor 2.
Authors: Jae-Hyun Park / Kouki Kawakami / Naito Ishimoto / Tatsuya Ikuta / Mio Ohki / Toru Ekimoto / Mitsunori Ikeguchi / Dong-Sun Lee / Young-Ho Lee / Jeremy R H Tame / Asuka Inoue / Sam-Yong Park /
Abstract: Hydroxycarboxylic acid receptors (HCAR1, HCAR2, and HCAR3) transduce G signaling upon biding to molecules such as lactic acid, butyric acid and 3-hydroxyoctanoic acid, which are associated with ...Hydroxycarboxylic acid receptors (HCAR1, HCAR2, and HCAR3) transduce G signaling upon biding to molecules such as lactic acid, butyric acid and 3-hydroxyoctanoic acid, which are associated with lipolytic and atherogenic activity, and neuroinflammation. Although many reports have elucidated the function of HCAR2 and its potential as a therapeutic target for treating not only dyslipidemia but also neuroimmune disorders such as multiple sclerosis and Parkinson's disease, the structural basis of ligand recognition and ligand-induced G-coupling remains unclear. Here we report three cryo-EM structures of the human HCAR2-G signaling complex, each bound with different ligands: niacin, acipimox or GSK256073. All three agonists are held in a deep pocket lined by residues that are not conserved in HCAR1 and HCAR3. A distinct hairpin loop at the HCAR2 N-terminus and extra-cellular loop 2 (ECL2) completely enclose the ligand. These structures also reveal the agonist-induced conformational changes propagated to the G-protein-coupling interface during activation. Collectively, the structures presented here are expected to help in the design of ligands specific for HCAR2, leading to new drugs for the treatment of various diseases such as dyslipidemia and inflammation.
History
DepositionFeb 2, 2023-
Header (metadata) releaseFeb 7, 2024-
Map releaseFeb 7, 2024-
UpdateOct 9, 2024-
Current statusOct 9, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_35235.png

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Map

FileDownload / File: emd_35235.map.gz / Format: CCP4 / Size: 30.5 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotationsharpening map
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AxesZ (Sec.)Y (Row.)X (Col.)
1.25 Å/pix.
x 200 pix.
= 249. Å		1.25 Å/pix.
x 200 pix.
= 249. Å		1.25 Å/pix.
x 200 pix.
= 249. Å

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Voxel sizeX=Y=Z: 1.245 Å
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Contour LevelBy AUTHOR: 0.18
Minimum - Maximum-1.6135352 - 2.071797
Average (Standard dev.)-0.00059184374 (±0.040347468)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions200200200
Spacing200200200
CellA=B=C: 249.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_35235_msk_1.map
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Additional map: additional map

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Half map: half map 1

Fileemd_35235_half_map_1.map
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Half map: half map 2

Fileemd_35235_half_map_2.map
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Sample components

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Entire : GSK256073 bound human hydroxy-carboxylic acid receptor 2 in compl...

EntireName: GSK256073 bound human hydroxy-carboxylic acid receptor 2 in complex with Gi heterotrimer
Components
  • Complex: GSK256073 bound human hydroxy-carboxylic acid receptor 2 in complex with Gi heterotrimer
    • Protein or peptide: Human hydroxycarboxylic acid receptor 2,Hydroxycarboxylic acid receptor 2
    • 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: scFv16
  • Ligand: 8-chloranyl-3-pentyl-7H-purine-2,6-dione

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Supramolecule #1: GSK256073 bound human hydroxy-carboxylic acid receptor 2 in compl...

SupramoleculeName: GSK256073 bound human hydroxy-carboxylic acid receptor 2 in complex with Gi heterotrimer
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#5
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 150 KDa

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Macromolecule #1: Human hydroxycarboxylic acid receptor 2,Hydroxycarboxylic acid re...

MacromoleculeName: Human hydroxycarboxylic acid receptor 2,Hydroxycarboxylic acid receptor 2
type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 54.320297 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: GPGAPADLED NWETLNDNLK VIEKADNAAQ VKDALTKMRA AALDAQKATP PKLEDKSPDS PEMKDFRHGF DILVGQIDDA LKLANEGKV KEAQAAAEQL KTTRNAYIQK YLEFMNRHHL QDHFLEIDKK NCCVFRDDFI VKVLPPVLGL EFIFGLLGNG L ALWIFCFH ...String:
GPGAPADLED NWETLNDNLK VIEKADNAAQ VKDALTKMRA AALDAQKATP PKLEDKSPDS PEMKDFRHGF DILVGQIDDA LKLANEGKV KEAQAAAEQL KTTRNAYIQK YLEFMNRHHL QDHFLEIDKK NCCVFRDDFI VKVLPPVLGL EFIFGLLGNG L ALWIFCFH LKSWKSSRIF LFNLAVADFL LIICLPFLMD NYVRRWDWKF GDIPCRLMLF MLAMNRQGSI IFLTVVAVDR YF RVVHPHH ALNKISNRTA AIISCLLWGI TIGLTVHLLK KKMPIQNGGA NLCSSFSICH TFQWHEAMFL LEFFLPLGII LFC SARIIW SLRQRQMDRH AKIKRAITFI MVVAIVFVIC FLPSVVVRIR IFWLLHTSGT QNCEVYRSVD LAFFITLSFT YMNS MLDPV VYYFSSPSFP NFFSTLINRC LQRKMTGEPD NNRSTSVELT GDPNKTRGAP EALMANSGEP WSPSYLGPTS P

UniProtKB: Hydroxycarboxylic acid receptor 2

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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: 40.415031 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
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 #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: Homo sapiens (human)
Molecular weightTheoretical: 37.728152 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: GPGSSGSELD QLRQEAEQLK NQIRDARKAC ADATLSQITN NIDPVGRIQM RTRRTLRGHL AKIYAMHWGT DSRLLVSASQ DGKLIIWDS YTTNKVHAIP LRSSWVMTCA YAPSGNYVAC GGLDNICSIY NLKTREGNVR VSRELAGHTG YLSCCRFLDD N QIVTSSGD ...String:
GPGSSGSELD 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 WDSFLKIWN

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

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Macromolecule #4: 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: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 8.506765 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI LGSAGSAGSA

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

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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: 27.409588 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
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 KAAALEVLFQ

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Macromolecule #6: 8-chloranyl-3-pentyl-7H-purine-2,6-dione

MacromoleculeName: 8-chloranyl-3-pentyl-7H-purine-2,6-dione / type: ligand / ID: 6 / Number of copies: 1 / Formula: OKL
Molecular weightTheoretical: 256.689 Da
Chemical component information

ChemComp-OKL:
8-chloranyl-3-pentyl-7H-purine-2,6-dione

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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
GridModel: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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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 / Cs: 2.7 mm / Nominal defocus max: 1.8 µm / Nominal defocus min: 0.8 µm / Nominal magnification: 105000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: NONE
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.39 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 153633
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC
FSC plot (resolution estimation)

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: AB INITIO MODEL
Output model

PDB-8i7w:
Cryo-EM structure of GSK256073 bound human hydroxy-carboxylic acid receptor 2 in complex with Gi heterotrimer

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