2024-11-13 REL RCSB RCSB RCSB 2024-02-24 2024-04-17 2024-04-17 2024-11-13 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R35GM141871 United States Structure of human calcium-sensing receptor in complex with chimeric Gq (miniGisq) protein in nanodiscs Zuo H Park J Frangaj A Ye J Lu G Manning JJ Asher WB Lu Z Hu G Wang L Mendez J Eng E Zhang Z Lin X Grasucci R Hendrickson WA Clarke OB Javitch JA Conigrave AD Fan QR Calcium-sensing receptor, G-protein-coupled receptor, G protein, signal transduction, MEMBRANE PROTEIN Zuo H Park J Frangaj A Ye J Lu G Manning JJ Asher WB Lu Z Hu GB Wang L Mendez J Eng E Zhang Z Lin X Grassucci R Hendrickson WA Clarke OB Javitch JA Conigrave AD Fan QR Promiscuous G-protein activation by the calcium-sensing receptor. Nature UK 629 481 488 2024 38632411 doi:10.1038/s41586-024-07331-1 1476-4687 0006 NATUAS EMD-43836 consensus EM volume
Consensus map of human CaSR-miniGisq complex in nanodiscs
 EMD-43837 focused EM volume
Local refinement map of CaSR extracellular domain in nanodisc-reconstituted human CaSR-miniGisq complex
 EMD-43840 focused EM volume
Local refinement map of CaSR transmembrane domain in nanodisc-reconstituted human CaSR-miniGisq complex
 EMD-43841 focused EM volume
Local refinement map of G protein in nanodisc-reconstituted human CaSR-miniGisq complex
 9asb FULLOVERLAP Human CaSR in complex with chimeric Gq (miniGisq) protein Human CaSR in complex with chimeric Gq (miniGisq) protein 0 1 2 3 4 Homo sapiens 0.276 Isoform 1 of Extracellular calcium-sensing receptor Homo sapiens 0.10286461699999999
The CaSR construct consists of residues 1-903 and a Flag tag inserted after the signal peptide
2 Homo sapiens LEVO MAFYSCCWVLLALTWHTSADYKDDDDKYGPDQRAQKKGDIILGGLFPIHFGVAAKDQDLKSRPESVECIRYNFRGFRWLQ AMIFAIEEINSSPALLPNLTLGYRIFDTCNTVSKALEATLSFVAQNKIDSLNLDEFCNCSEHIPSTIAVVGATGSGVSTA VANLLGLFYIPQVSYASSSRLLSNKNQFKSFLRTIPNDEHQATAMADIIEYFRWNWVGTIAADDDYGRPGIEKFREEAEE RDICIDFSELISQYSDEEEIQHVVEVIQNSTAKVIVVFSSGPDLEPLIKEIVRRNITGKIWLASEAWASSSLIAMPQYFH VVGGTIGFALKAGQIPGFREFLKKVHPRKSVHNGFAKEFWEETFNCHLQEGAKGPLPVDTFLRGHEESGDRFSNSSTAFR PLCTGDENISSVETPYIDYTHLRISYNVYLAVYSIAHALQDIYTCLPGRGLFTNGSCADIKKVEAWQVLKHLRHLNFTNN MGEQVTFDECGDLVGNYSIINWHLSPEDGSIVFKEVGYYNVYAKKGERLFINEEKILWSGFSREVPFSNCSRDCLAGTRK GIIEGEPTCCFECVECPDGEYSDETDASACNKCPDDFWSNENHTSCIAKEIEFLSWTEPFGIALTLFAVLGIFLTAFVLG VFIKFRNTPIVKATNRELSYLLLFSLLCCFSSSLFFIGEPQDWTCRLRQPAFGISFVLCISCILVKTNRVLLVFEAKIPT SFHRKWWGLNLQFLLVFLCTFMQIVICVIWLYTAPPSSYRNQELEDEIIFITCHEGSLMALGFLIGYTCLLAAICFFFAF KSRKLPENFNEAKFITFSMLIFFIVWISFIPAYASTYGKFVSAVEVIAILAASFGLLACIFFNKIYIILFKPSRNTIEEV RCSTAAHAFKVAARATLRRSNVSRKRSSSLG P41180 Chimeric mini guanine nucleotide-binding protein G(i)(s)(q) subunit alpha Homo sapiens 0.028306148
MiniG(q) alpha is a chimeric protein engineered based on the miniG(s) alpha skeleton [miniG(s)(q) alpha]. Chimeric miniG(i)(s)(q) alpha construct was designed where the N-terminal 25 amino acids of G(s) alpha was replaced with the initial 18 residues of G(i1) alpha
1 Homo sapiens LEVO MGCTLSAEDKAAVERSKMIEKQLQKDKQVYRATHRLLLLGADNSGKSTIVKQMRILHGGSGGSGGTSGIFETKFQVDKVN FHMFDVGGQRDERRKWIQCFNDVTAIIFVVDSSDYNRLQEALNDFKSIWNNRWLRTISVILFLNKQDLLAEKVLAGKSKI EDYFPEFARYTTPEDATPEPGEDPRVTRAKYFIRDEFLRISTASGDGRHYCYPHFTCAVDTENARRIFNDCKDIILQMNL REYNLV P63096 A0A590UJY2 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 Homo sapiens 0.038413894999999997
The guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 construct contains a Flag epitope fused to the N-terminus.
1 Homo sapiens LEVO MDYKDDDDKSELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHLAKIYAMHWGTDSRLLVS ASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACGGLDNICSIYNLKTREGNVRVSRELAGHTGYLSCCRFL DDNQIVTSSGDTTCALWDIETGQQTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDINAI CFFPNGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCNVWDALKADRAGVLAGHD NRVSCLGVTDDGMAVATGSWDSFLKIWN P62873 Chimeric mini guanine nucleotide-binding protein G(i)(s)(q) subunit alpha Homo sapiens 0.007861143 1 Homo sapiens LEVO MASNNTASIAQARKLVEQLKMEANIDRIKVSKAAADLMAYCEAHAKEDPLLTPVPASENPFREKKFFCAIL P59768 2-acetamido-2-deoxy-beta-D-glucopyranose 0.000221208 6 NAG CYCLOMETHYLTRYPTOPHAN 0.00021623599999999997 2 TCR PHOSPHATE ION 9.4971e-05 2 PO4 CALCIUM ION 4.0078e-05 6 CA 3-(2-chlorophenyl)-N-[(1R)-1-(3-methoxyphenyl)ethyl]propan-1-amine 0.000303826 2 9IG CHOLESTEROL HEMISUCCINATE 0.000486726 1 Y01 (19R,22S,25R)-22,25,26-trihydroxy-16,22-dioxo-17,21,23-trioxa-22lambda~5~-phosphahexacosan-19-yl (9Z)-octadec-9-enoate 0.0007490069999999999 1 A1AF7 singleParticle particle 3.6 7.5 20.0 C8H18N2O4S HEPES 100.0 NaCl Sodium chloride 2.0 MgCl2 Magnesium chloride 10.0 CaCl2 Calcium chloride 20.0 C12H12N2O2 TNCA 20.0 C18H22ClNOHCl R568 HCl Quantifoil R0.6/1 GOLD 300 GOLD HOLEY 50.0 GLOW DISCHARGE OTHER ETHANE 100 277 FEI VITROBOT MARK IV
The sample was blotted for 6s before plunge-frozen..
FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 100.0 2.7 1.2 1.9000000000000001 105000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN 100.0 GIF Bioquantum 15 EPU GATAN K3 BIOQUANTUM (6k x 4k) 11520 8184 1 9336 3.0 74.9 1 1339334
Ab initio
 C1 3.4 FSC 0.143 CUT-OFF cryoSPARC 3.3.2 91042 MAXIMUM LIKELIHOOD cryoSPARC 3.3.2 MAXIMUM LIKELIHOOD cryoSPARC 3.3.2 emd_43811.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 512 512 512 0 0 0 512 512 512 422.4 422.4 422.4 90.0 90.0 90.0 X Y Z 0.0 4.172179 0.0020554885 0.041765396 0.825 0.825 0.825 0.3 AUTHOR Human CaSR-miniGis complex in nanodiscs, composite map of locally refined CaSR ECD, CaSR TMD and G protein 7SIL Q PDB experimental model 7SIL R PDB experimental model 7P00 A PDB experimental model 7P00 B PDB experimental model 7P00 G PDB experimental model FLEXIBLE FIT Coot 0.9.8.1 REAL