Cryo-EM structure of human HCAR1-Gi complex without ligand (apo state)

2025-10-22 REL PDBc INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY DATA_COLLECTION em_admin em_software _em_admin.last_update _em_software.name EXPERIMENTAL_SUMMARY em_admin em_software _em_admin.last_update _em_software.name DATABASE_REFERENCES citation citation_author em_admin _citation.country _citation.journal_abbrev _citation.journal_id_CSD _citation.journal_id_ISSN _citation.journal_volume _citation.page_first _citation.page_last _citation.pdbx_database_id_DOI _citation.pdbx_database_id_PubMed _citation.title _citation.year _em_admin.last_update PDBj PDBc 2024-08-21 2025-04-02 2025-04-02 2025-10-22 National Natural Science Foundation of China (NSFC) China Cryo-EM structure of human HCAR1-Gi complex without ligand (apo state) Xin P Fang Y complex, MEMBRANE PROTEIN Pan X Ye F Ning P Yu Y Zhang Z Wang J Chen G Wu Z Qiu C Li J Chen B Zhu L Qian C Gong K Du Y Structures of G-protein coupled receptor HCAR1 in complex with Gi1 protein reveal the mechanistic basis for ligand recognition and agonist selectivity. Plos Biol. US 23 e3003126 e3003126 2025 40233099 doi:10.1371/journal.pbio.3003126 1545-7885 9j8z FULLOVERLAP EMDB EMD-61249 associated EM volume

Cryo-EM structure of human HCAR2-Gi complex with niacin

Cryo-EM structure of human HCAR1-Gi complex without ligand (apo state) Cryo-EM structure of human HCAR1-Gi complex without ligand (apo state) 0 1 2 3 4 5 Homo sapiens Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 Homo sapiens 0.037069542999999996 1 Spodoptera frugiperda LEVO LDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHLAKIYAMHWGTDSRLLVSASQDGKLIIWD SYTTNKVHAIPLRSSWVMTCAYAPSGNYVACGGLDNICSIYNLKTREGNVRVSRELAGHTGYLSCCRFLDDNQIVTSSGD TTCALWDIETGQQTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDINAICFFPNGNAFAT GSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCNVWDALKADRAGVLAGHDNRVSCLGVTDD GMAVATGSWDSFLKIWN P62873 Guanine nucleotide-binding protein G(i) subunit alpha-1 Homo sapiens 0.040153671999999994 1 Spodoptera frugiperda LEVO TLSAEDKAAVERSKMIDRNLREDGEKAAREVKLLLLGAGESGKSTIVKQMKIIHEAGYSEEECKQYKAVVYSNTIQSIIA IIRAMGRLKIDFGDSARADDARQLFVLAGAAEEGFMTAELAGVIKRLWKDSGVQACFNRSREYQLNDSAAYYLNDLDRIA QPNYIPTQQDVLRTRVKTTGIVETHFTFKDLHFKMFDVGAQRSERKKWIHCFEGVTAIIFCVALSDYDLVLAEDEEMNRM HESMKLFDSICNNKWFTDTSIILFLNKKDLFEEKIKKSPLTICYPEYAGSNTYEEAAAYIQCQFEDLNKRKDTKEIYTHF TCSTDTKNVQFVFDAVTDVIIKNNLKDCGLF P63096 Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 Homo sapiens 0.006218162 1 Spodoptera frugiperda LEVO SIAQARKLVEQLKMEANIDRIKVSKAAADLMAYCEAHAKEDPLLTPVPASENPFRE P59768 scFv16 Homo sapiens 0.026424384999999998 1 Spodoptera frugiperda LEVO DVQLVESGGGLVQPGGSRKLSCSASGFAFSSFGMHWVRQAPEKGLEWVAYISSGSGTIYYADTVKGRFTISRDDPKNTLF LQMTSLRSEDTAMYYCVRSIYYYGSSPFDFWGQGTTLTVSSGGGGSGGGGSGGGGSSDIVMTQATSSVPVTPGESVSISC RSSKSLLHSNGNTYLYWFLQRPGQSPQLLIYRMSNLASGVPDRFSGSGSGTAFTLTISRLEAEDVGVYYCMQHLEYPLTF GAGTKLEL Hydroxycarboxylic acid receptor 1 Homo sapiens 0.031596498 1 Spodoptera frugiperda LEVO CCRIEGDTISQVMPPLLIVAFVLGALGNGVALCGFCFHMKTWKPSTVYLFNLAVADFLLMICLPFRTDYYLRRRHWAFGD IPCRVGLFTLAMNRAGSIVFLTVVAADRYFKVVHPHHAVNTISTRVAAGIVCTLWALVILGTVYLLLENHLCVQETAVSC ESFIMESANGWHDIMFQLEFFMPLGIILFCSFKIVWSLRRRQQLARQARMKKATRFIMVVAIVFITCYLPSVSARLYFLW TVPSSACDPSVHGALHITLSFTYMNSMLDPLVYYFSSPS Q9BXC0 singleParticle particle 7.2 NITROGEN TFS KRIOS SPOT SCAN BRIGHT FIELD FIELD EMISSION GUN 300 1.0 1.4000000000000001 GATAN K3 BIOQUANTUM (6k x 4k) 56.0 1 PHASE FLIPPING AND AMPLITUDE CORRECTION 3.36 FSC 0.143 CUT-OFF 208323 NOT APPLICABLE NOT APPLICABLE emd_61249.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 320 320 320 0 0 0 320 320 320 265.6 265.6 265.6 90.0 90.0 90.0 X Y Z -0.27785534 0.5330586 0.00036877056 0.013083266 0.83000004 0.83000004 0.83000004 0.082 AUTHOR ::::EMDATABANK.org::::EMD-61249:::: Cryo-EM structure of human HCAR1-Gi complex without ligand (apo state) emd_61249_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 320 320 320 0 0 0 320 320 320 265.6 265.6 265.6 90.0 90.0 90.0 X Y Z -0.451863 0.4925769 0.0005124585 0.049450018 0.83000004 0.83000004 0.83000004 AUTHOR ::::EMDATABANK.org::::EMD-61249:::: emd_61249_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 320 320 320 0 0 0 320 320 320 265.6 265.6 265.6 90.0 90.0 90.0 X Y Z -0.42858964 0.4602982 0.00052205636 0.049312323 0.83000004 0.83000004 0.83000004 AUTHOR ::::EMDATABANK.org::::EMD-61249::::