2024-10-09 REL RCSB RCSB RCSB 2020-04-10 2020-07-01 2020-07-01 2024-10-09 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R01GM088454 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R01GM125801 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) U2CES030158 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) P41GM116799 United States National Institutes of Health/Office of the Director R01GM107462 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) P41GM103310 United States Structure of human GABA(B) receptor in an inactive state Park J Fu Z Frangaj A Liu J Mosyak L Shen T Slavkovich VN Ray KM Taura J Cao B Geng Y Zuo H Kou Y Grassucci R Chen S Liu Z Lin X Williams JP Rice WJ Eng ET Huang RK Soni RK Kloss B Yu Z Javitch JA Hendrickson WA Slesinger PA Quick M Graziano J Yu H Fiehn O Clarke OB Frank J Fan QR G protein coupled receptor (GPCR), GABA, GABA(B) receptor, Class C GPCR, Phospholipids, Inhibitory neurotransmission., MEMBRANE PROTEIN Park J Fu Z Frangaj A Liu J Mosyak L Shen T Slavkovich VN Ray KM Taura J Cao B Geng Y Zuo H Kou Y Grassucci R Chen S Liu Z Lin X Williams JP Rice WJ Eng ET Huang RK Soni RK Kloss B Yu Z Javitch JA Hendrickson WA Slesinger PA Quick M Graziano J Yu H Fiehn O Clarke OB Frank J Fan QR Structure of human GABABreceptor in an inactive state. Nature UK 584 304 309 2020 32581365 doi:10.1038/s41586-020-2452-0 1476-4687 0006 NATUAS 6wiv FULLOVERLAP Heterodimer human GABA(B) receptor composed of GABA(B1b) and GABA(B2) subunits. Heterodimer human GABA(B) receptor composed of GABA(B1b) and GABA(B2) subunits. 0 1 2 Homo sapiens 0.193 Gamma-aminobutyric acid type B receptor subunit 1 Homo sapiens 0.09158586699999999 1 Homo sapiens LEVO MGPGAPFARVGWPLPLLVVMAAGVAPVWASHSPHLPRPHSRVPPHPSSERRAVYIGALFPMSGGWPGGQACQPAVEMALE DVNSRRDILPDYELKLIHHDSKCDPGQATKYLYELLYNDPIKIILMPGCSSVSTLVAEAARMWNLIVLSYGSSSPALSNR QRFPTFFRTHPSATLHNPTRVKLFEKWGWKKIATIQQTTEVFTSTLDDLEERVKEAGIEITFRQSFFSDPAVPVKNLKRQ DARIIVGLFYETEARKVFCEVYKERLFGKKYVWFLIGWYADNWFKIYDPSINCTVDEMTEAVEGHITTEIVMLNPANTRS ISNMTSQEFVEKLTKRLKRHPEETGGFQEAPLAYDAIWALALALNKTSGGGGRSGVRLEDFNYNNQTITDQIYRAMNSSS FEGVSGHVVFDASGSRMAWTLIEQLQGGSYKKIGYYDSTKDDLSWSKTDKWIGGSPPADQTLVIKTFRFLSQKLFISVSV LSSLGIVLAVVCLSFNIYNSHVRYIQNSQPNLNNLTAVGCSLALAAVFPLGLDGYHIGRNQFPFVCQARLWLLGLGFSLG YGSMFTKIWWVHTVFTKKEEKKEWRKTLEPWKLYATVGLLVGMDVLTLAIWQIVDPLHRTIETFAKEEPKEDIDVSILPQ LEHCSSRKMNTWLGIFYGYKGLLLLLGIFLAYETKSVSTEKINDHRAVGMAIYNVAVLCLITAPVTMILSSQQDAAFAFA SLAIVFSSYITLVVLFVPKMRRLITRGEWQSEAQDTMKTGSSTNNNEEEKSRLLEKENRELEKIIAEKEERVSELRHQLQ SRDYKDDDDK Q9UBS5 Gamma-aminobutyric acid type B receptor subunit 2 Homo sapiens 0.093278781 1 Homo sapiens LEVO MASPRSSGQPGPPPPPPPPPARLLLLLLLPLLLPLAPGAWGWARGAPRPPPSSPPLSIMGLMPLTKEVAKGSIGRGVLPA VELAIEQIRNESLLRPYFLDLRLYDTECDNAKGLKAFYDAIKYGPNHLMVFGGVCPSVTSIIAESLQGWNLVQLSFAATT PVLADKKKYPYFFRTVPSDNAVNPAILKLLKHYQWKRVGTLTQDVQRFSEVRNDLTGVLYGEDIEISDTESFSNDPCTSV KKLKGNDVRIILGQFDQNMAAKVFCCAYEENMYGSKYQWIIPGWYEPSWWEQVHTEANSSRCLRKNLLAAMEGYIGVDFE PLSSKQIKTISGKTPQQYEREYNNKRSGVGPSKFHGYAYDGIWVIAKTLQRAMETLHASSRHQRIQDFNYTDHTLGRIIL NAMNETNFFGVTGQVVFRNGERMGTIKFTQFQDSREVKVGEYNAVADTLEIINDTIRFQGSEPPKDKTIILEQLRKISLP LYSILSALTILGMIMASAFLFFNIKNRNQKLIKMSSPYMNNLIILGGMLSYASIFLFGLDGSFVSEKTFETLCTVRTWIL TVGYTTAFGAMFAKTWRVHAIFKNVKMKKKIIKDQKLLVIVGGMLLIDLCILICWQAVDPLRRTVEKYSMEPDPAGRDIS IRPLLEHCENTHMTIWLGIVYAYKGLLMLFGCFLAWETRNVSIPALNDSKYIGMSVYNVGIMCIIGAAVSFLTRDQPNVQ FCIVALVIIFCSTITLCLVFVPKLITLRTNPDAATQNRRFQFTQNQKKEDSKTSTSVTSVNQASTSRLEGLQSENHRLRM KITELDKDLEEVTMQLQDTDYKDDDDK O75899 2-acetamido-2-deoxy-beta-D-glucopyranose 0.000221208 4 NAG CALCIUM ION 4.0078e-05 1 CA (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-{[(9Z)-octadec-9-enoyl]oxy}propyl (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate 0.0007660389999999999 1 U3G CHOLESTEROL 0.000386654 10 CLR [(2R)-3-[(Z)-icos-11-enoyl]oxy-2-[(Z)-octadec-9-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate 0.000814167 1 U3D singleParticle particle 0.3 7.5 50.0 C8H18N2O4S HEPES 50.0 NaCl sodium chloride 0.002 C47H88O22 Lauryl Maltose Neopentyl Glycol 0.0004 C31H50O4 Cholesteryl Hemisuccinate
Solutions were made fresh from concentrated and filtered to avoid microbial contamination.
 Quantifoil R0.6/1 GOLD 300 CARBON HOLEY 50.0 PLASMA CLEANING OTHER ETHANE-PROPANE 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 -0.5 -2.0 130000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN 100.0 20
Preliminary grid screening was performed manually.
GATAN K2 SUMMIT (4k x 4k) COUNTING 1-60 1 3435 12.0 85.0 1 1048241
Ab initio (cryoSPARC 2)
 1 C1 3.3 FSC 0.143 CUT-OFF cryoSPARC 2 233737 OTHER cryoSPARC 2 Non-uniform refinement OTHER cryoSPARC 2
Non-uniform refinement and local refinement in cryoSPARC 2
 emd_21685.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 281.6 281.6 281.6 90.0 90.0 90.0 X Y Z -0.29351062 5.1695056 0.017307602 0.080392115 1.1 1.1 1.1 0.5 AUTHOR Final composite map combining local reconstructions for the extracellular and transmembrane domains. Map was re-sampled in Chimera with pixel spacing 1.1 angstrom. 4MQE A 48-459 PDB experimental model 4MQE B 53-466 PDB experimental model FLEXIBLE FIT REAL emd_21685_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 281.6 281.6 281.6 90.0 90.0 90.0 X Y Z -2.3431618 4.189043 0.0016804155 0.084219135 1.1 1.1 1.1 AUTHOR Local reconstruction for the extracellular domain. Map was re-sampled in Chimera with pixel spacing 1.1 angstrom. emd_21685_additional_3.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 281.6 281.6 281.6 90.0 90.0 90.0 X Y Z -2.1285665 3.2182412 0.001834929 0.069908604 1.1 1.1 1.1 AUTHOR Global map without local refinement. Map was re-sampled in Chimera with pixel spacing 1.1 angstrom. emd_21685_additional_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 281.6 281.6 281.6 90.0 90.0 90.0 X Y Z -1.9009739 5.1711116 0.0016171474 0.070072286 1.1 1.1 1.1 AUTHOR Local reconstruction for the transmembrane domain. Map was re-sampled in Chimera with pixel spacing 1.1 angstrom.