2024-10-30 REL RCSB RCSB RCSB 2021-10-14 2022-01-19 2022-01-19 2024-10-30 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R35GM141871 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R01GM29169 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) P41GM116799 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R01GM107462 United States Simons Foundation SF349247 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) GM103310 United States Structure of positive allosteric modulator-bound active human calcium-sensing receptor Park J Zuo H calcium-sensing receptor, cryo-EM structure, allosteric modulation, activation mechanism, symmetry, MEMBRANE PROTEIN Park J Zuo H Frangaj A Fu Z Yen LY Zhang Z Mosyak L Slavkovich VN Liu J Ray KM Cao B Vallese F Geng Y Chen S Grassucci R Dandey VP Tan YZ Eng E Lee Y Kloss B Liu Z Hendrickson WA Potter CS Carragher B Graziano J Conigrave AD Frank J Clarke OB Fan QR Symmetric activation and modulation of the human calcium-sensing receptor. Proc.Natl.Acad.Sci.USA US 118 2021 34916296 doi:10.1073/pnas.2115849118 1091-6490 0040 PNASA6 7sil FULLOVERLAP Homodimer human calcium sensing receptor Homodimer human calcium sensing receptor 0 1 Homo sapiens 0.192 Isoform 1 of Extracellular calcium-sensing receptor Homo sapiens 0.09929946099999999 2 Homo sapiens LEVO MAFYSCCWVLLALTWHTSAYGPDQRAQKKGDIILGGLFPIHFGVAAKDQDLKSRPESVECIRYNFRGFRWLQAMIFAIEE INSSPALLPNLTLGYRIFDTCNTVSKALEATLSFVAQNKIDSLNLDEFCNCSEHIPSTIAVVGATGSGVSTAVANLLGLF YIPQVSYASSSRLLSNKNQFKSFLRTIPNDEHQATAMADIIEYFRWNWVGTIAADDDYGRPGIEKFREEAEERDICIDFS ELISQYSDEEEIQHVVEVIQNSTAKVIVVFSSGPDLEPLIKEIVRRNITGKIWLASEAWASSSLIAMPQYFHVVGGTIGF ALKAGQIPGFREFLKKVHPRKSVHNGFAKEFWEETFNCHLQEGAKGPLPVDTFLRGHEESGDRFSNSSTAFRPLCTGDEN ISSVETPYIDYTHLRISYNVYLAVYSIAHALQDIYTCLPGRGLFTNGSCADIKKVEAWQVLKHLRHLNFTNNMGEQVTFD ECGDLVGNYSIINWHLSPEDGSIVFKEVGYYNVYAKKGERLFINEEKILWSGFSREVPFSNCSRDCLAGTRKGIIEGEPT CCFECVECPDGEYSDETDASACNKCPDDFWSNENHTSCIAKEIEFLSWTEPFGIALTLFAVLGIFLTAFVLGVFIKFRNT PIVKATNRELSYLLLFSLLCCFSSSLFFIGEPQDWTCRLRQPAFGISFVLCISCILVKTNRVLLVFEAKIPTSFHRKWWG LNLQFLLVFLCTFMQIVICVIWLYTAPPSSYRNQELEDEIIFITCHEGSLMALGFLIGYTCLLAAICFFFAFKSRKLPEN FNEAKFITFSMLIFFIVWISFIPAYASTYGKFVSAVEVIAILAASFGLLACIFFNKIYIILFKPSRNTIEDYKDDDDK P41180-1 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 8 CA 3-(2-chlorophenyl)-N-[(1R)-1-(3-methoxyphenyl)ethyl]propan-1-amine 0.000303826 2 9IG CHOLESTEROL 0.000386654 8 CLR singleParticle particle 2.6 7.5 50.0 C8H18N2O4S HEPES 100.0 NaCl Sodium chloride 10.0 CaCl2 Calcium chloride 30.0 C12H12N2O2 TNCA 30.0 C18H22ClNOHCl R568 HCl 0.02 C56H92O25 glycol-diosgenin 0.004 C31H50O4 Cholesteryl Hemisuccinate
Solution were made fresh from concentrated, and filtered to avoid microbial contamination.
 Quantifoil R0.6/1 GOLD 300 PLASMA CLEANING OTHER ETHANE 100 277 FEI VITROBOT MARK IV
blot for 4 seconds before plunging.
This sample was monodisperse
 FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 70.0 2.7 1.0 2.5 105000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN 100.0 GIF Quantum ER 20
Preliminary grid screening was performed manually.
GATAN K3 (6k x 4k) 1 13246 70.35 1 892000
Ab initio (cryoSPARC)
 1 C2 FOURIER SPACE 2.7 FSC 0.143 CUT-OFF cryoSPARC 3.0
Global(ECD) 2.7A TM 3.4A
130000 OTHER cryoSPARC 2.16 non-uniform refinement OTHER cryoSPARC 3.0
non-uniform refinement and local refinement in cryoSPARC 3.0
 6 RELION 3.1 emd_25143.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 135 132 235 189 190 153 135 132 235 112.049995 109.56 195.05 90.0 90.0 90.0 X Y Z -0.9414485 13.26511 0.059817955 0.25118178 0.83 0.83 0.83 0.2 AUTHOR 5K5S A 20-607 PDB experimental model 5K5S B 20-607 PDB experimental model FLEXIBLE FIT REAL