2026-09-16 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY RCSB RCSB 2025-12-12 2026-09-16 2026-09-16 2026-09-16 National Institutes of Health/National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIH/NIAMS) R01AR077720 United States Structure of rabbit RyR1 complexed with FKBP12.6 and calmodulin in the presence of dantrolene, ADP, 4-chloro-m-cresol, caffeine, and Mg2+ Kim K Clarke OB sarcoplasmic reticulum, intracellular calcium channel, excitation-contraction coupling, complex, MEMBRANE PROTEIN Kim K Li H Yuan Q Melville Z Zalk R des Georges A Frank J Hendrickson WA Marks AR Clarke OB Structural identification of the RY12 domain of RyR1 as an ADP sensor and the target of the malignant hyperthermia therapeutic dantrolene Nat Commun UK 2026 doi:10.1038/s41467-026-76519-y 2041-1723 EMD-74305 consensus EM volume
RyR1 DanADP consensus reconstruction
 EMD-74306 focused EM volume EMD-74404 focused EM volume EMD-74403 focused EM volume
RY12 local PDB 9ZLH
 EMD-74307 focused EM volume EMD-74308 focused EM volume EMD-74309 focused EM volume 9zn6 FULLOVERLAP EMDB EMD-74305 consensus EM volume
RyR1 DanADP consensus reconstruction
 EMDB EMD-74306 focused EM volume EMDB EMD-74404 focused EM volume EMDB EMD-74403 focused EM volume
RY12 local PDB 9ZLH
 EMDB EMD-74307 focused EM volume EMDB EMD-74308 focused EM volume EMDB EMD-74309 focused EM volume EMDB EMD-74436 associated EM volume
Structure of rabbit RyR1 complexed with FKBP12.6 and calmodulin in the presence of dantrolene, ADP, 4-chloro-m-cresol, caffeine, and Mg2+
 PDB 9ZLH unspecified
RY12 local EMD-74403
 RyR1 complexed with FKBP12.6 and calmodulin RyR1 complexed with FKBP12.6 and calmodulin 0 1 2 3 Peptidyl-prolyl cis-trans isomerase FKBP1B Homo sapiens 0.011667305 4 Escherichia coli LEVO GVEIETISPGDGRTFPKKGQTCVVHYTGMLQNGKKFDSSRDRNKPFKFRIGKQEVIKGFEEGAAQMSLGQRAKLTCTPDV AYGATGHPGVIPPNATLIFDVELLNLE P68106 5.2.1.8 Calmodulin-1 Homo sapiens 0.016790434 4 Escherichia coli LEVO HMADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKD TDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMT P0DP23 Ryanodine receptor 1 Oryctolagus cuniculus 0.5659086249999999 4 LEVO MGDGGEGEDEVQFLRTDDEVVLQCSATVLKEQLKLCLAAEGFGNRLCFLEPTSNAQNVPPDLAICCFTLEQSLSVRALQE MLANTVEAGVESSQGGGHRTLLYGHAILLRHAHSRMYLSCLTTSRSMTDKLAFDVGLQEDATGEACWWTMHPASKQRSEG EKVRVGDDLILVSVSSERYLHLSTASGELQVDASFMQTLWNMNPICSCCEEGYVTGGHVLRLFHGHMDECLTISAADSDD QRRLVYYEGGAVCTHARSLWRLEPLRISWSGSHLRWGQPLRIRHVTTGRYLALTEDQGLVVVDACKAHTKATSFCFRVSK EKLDTAPKRDVEGMGPPEIKYGESLCFVQHVASGLWLTYAAPDPKALRLGVLKKKAILHQEGHMDDALFLTRCQQEESQA ARMIHSTAGLYNQFIKGLDSFSGKPRGSGPPAGPALPIEAVILSLQDLIGYFEPPSEELQHEEKQSKLRSLRNRQSLFQE EGMLSLVLNCIDRLNVYTTAAHFAEYAGEEAAESWKEIVNLLYELLASLIRGNRANCALFSTNLDWVVSKLDRLEASSGI LEVLYCVLIESPEVLNIIQENHIKSIISLLDKHGRNHKVLDVLCSLCVCNGVAVRSNQDLITENLLPGRELLLQTNLINY VTSIRPNIFVGRAEGSTQYGKWYFEVMVDEVVPFLTAQATHLRVGWALTEGYSPYPGGGEGWGGNGVGDDLYSYGFDGLH LWTGHVARPVTSPGQHLLAPEDVVSCCLDLSVPSISFRINGCPVQGVFEAFNLDGLFFPVVSFSAGVKVRFLLGGRHGEF KFLPPPGYAPCHEAVLPRERLRLEPIKEYRREGPRGPHLVGPSRCLSHTDFVPCPVDTVQIVLPPHLERIREKLAENIHE LWALTRIEQGWTYGPVRDDNKRLHPCLVNFHSLPEPERNYNLQMSGETLKTLLALGCHVGMADEKAEDNLKKTKLPKTYM MSNGYKPAPLDLSHVRLTPAQTTLVDRLAENGHNVWARDRVAQGWSYSAVQDIPARRNPRLVPYRLLDEATKRSNRDSLC QAVRTLLGYGYNIEPPDQEPSQVENQSRWDRVRIFRAEKSYTVQSGRWYFEFEAVTTGEMRVGWARPELRPDVELGADEL AYVFNGHRGQRWHLGSEPFGRPWQSGDVVGCMIDLTENTIIFTLNGEVLMSDSGSETAFREIEIGDGFLPVCSLGPGQVG HLNLGQDVSSLRFFAICGLQEGFEPFAINMQRPVTTWFSKSLPQFEPVPPEHPHYEVARMDGTVDTPPCLRLAHRTWGSQ NSLVEMLFLRLSLPVQFHQHFRCTAGATPLAPPGLQPPAEDEARAAEPDPDYENLRRSAGGWGEAEGGKEGTAKEGTPGG TPQPGVEAQPVRAENEKDATTEKNKKRGFLFKAKKAAMMTQPPATPALPRLPHDVVPADNRDDPEIILNTTTYYYSVRVF AGQEPSCVWVGWVTPDYHQHDMNFDLSKVRAVTVTMGDEQGNVHSSLKCSNCYMVWGGDFVSPGQQGRISHTDLVIGCLV DLATGLMTFTANGKESNTFFQVEPNTKLFPAVFVLPTHQNVIQFELGKQKNIMPLSAAMFLSERKNPAPQCPPRLEVQML MPVSWSRMPNHFLQVETRRAGERLGWAVQCQDPLTMMALHIPEENRCMDILELSERLDLQRFHSHTLRLYRAVCALGNNR VAHALCSHVDQAQLLHALEDAHLPGPLRAGYYDLLISIHLESACRSRRSMLSEYIVPLTPETRAITLFPPGRKGGNARRH GLPGVGVTTSLRPPHHFSPPCFVAALPAAGVAEAPARLSPAIPLEALRDKALRMLGEAVRDGGQHARDPVGGSVEFQFVP VLKLVSTLLVMGIFGDEDVKQILKMIEPEVFTEEEEEEEEEEEEEEEEEEDEEEKEEDEEEEEKEDAEKEEEEAPEGEKE DLEEGLLQMKLPESVKLQMCNLLEYFCDQELQHRVESLAAFAERYVDKLQANQRSRYALLMRAFTMSAAETARRTREFRS PPQEQINMLLHFKDEADEEDCPLPEDIRQDLQDFHQDLLAHCGIQLEGEEEEPEEETSLSSRLRSLLETVRLVKKKEEKP EEELPAEEKKPQSLQELVSHMVVRWAQEDYVQSPELVRAMFSLLHRQYDGLGELLRALPRAYTISPSSVEDTMSLLECLG QIRSLLIVQMGPQEENLMIQSIGNIMNNKVFYQHPNLMRALGMHETVMEVMVNVLGGGETKEIRFPKMVTSCCRFLCYFC RISRQNQRSMFDHLSYLLENSGIGLGMQGSTPLDVAAASVIDNNELALALQEQDLEKVVSYLAGCGLQSCPMLLAKGYPD IGWNPCGGERYLDFLRFAVFVNGESVEENANVVVRLLIRKPECFGPALRGEGGSGLLAAIEEAIRISEDPARDGPGVRRD RRREHFGEEPPEENRVHLGHAIMSFYAALIDLLGRCAPEMHLIQAGKGEALRIRAILRSLVPLDDLVGIISLPLQIPTLG KDGALVQPKMSASFVPDHKASMVLFLDRVYGIENQDFLLHVLDVGFLPDMRAAASLDTATFSTTEMALALNRYLCLAVLP LITKCAPLFAGTEHRAIMVDSMLHTVYRLSRGRSLTKAQRDVIEDCLMALCRYIRPSMLQHLLRRLVFDVPILNEFAKMP LKLLTNHYERCWKYYCLPTGWANFGVTSEEELHLTRKLFWGIFDSLAHKKYDQELYRMAMPCLCAIAGALPPDYVDASYS SKAEKKATVDAEGNFDPRPVETLNVIIPEKLDSFINKFAEYTHEKWAFDKIQNNWSYGENVDEELKTHPMLRPYKTFSEK DKEIYRWPIKESLKAMIAWEWTIEKAREGEEERTEKKKTRKISQTAQTYDPREGYNPQPPDLSGVTLSRELQAMAEQLAE NYHNTWGRKKKQELEAKGGGTHPLLVPYDTLTAKEKARDREKAQELLKFLQMNGYAVTRGLKDMELDTSSIEKRFAFGFL QQLLRWMDISQEFIAHLEAVVSSGRVEKSPHEQEIKFFAKILLPLINQYFTNHCLYFLSTPAKVLGSGGHASNKEKEMIT SLFCKLAALVRHRVSLFGTDAPAVVNCLHILARSLDARTVMKSGPEIVKAGLRSFFESASEDIEKMVENLRLGKVSQART QVKGVGQNLTYTTVALLPVLTTLFQHIAQHQFGDDVILDDVQVSCYRTLCSIYSLGTTKNTYVEKLRPALGECLARLAAA MPVAFLEPQLNEYNACSVYTTKSPRERAILGLPNSVEEMCPDIPVLDRLMADIGGLAESGARYTEMPHVIEITLPMLCSY LPRWWERGPEAPPPALPAGAPPPCTAVTSDHLNSLLGNILRIIVNNLGIDEATWMKRLAVFAQPIVSRARPELLHSHFIP TIGRLRKRAGKVVAEEEQLRLEAKAEAEEGELLVRDEFSVLCRDLYALYPLLIRYVDNNRAHWLTEPNANAEELFRMVGE IFIYWSKSHNFKREEQNFVVQNEINNMSFLTADSKSKMAKAGDAQSGGSDQERTKKKRRGDRYSVQTSLIVATLKKMLPI GLNMCAPTDQDLIMLAKTRYALKDTDEEVREFLQNNLHLQGKVEGSPSLRWQMALYRGLPGREEDADDPEKIVRRVQEVS AVLYHLEQTEHPYKSKKAVWHKLLSKQRRRAVVACFRMTPLYNLPTHRACNMFLESYKAAWILTEDHSFEDRMIDDLSKA GEQEEEEEEVEEKKPDPLHQLVLHFSRTALTEKSKLDEDYLYMAYADIMAKSCHLEEGGENGEAEEEEVEVSFEEKEMEK QRLLYQQSRLHTRGAAEMVLQMISACKGETGAMVSSTLKLGISILNGGNAEVQQKMLDYLKDKKEVGFFQSIQALMQTCS VLDLNAFERQNKAEGLGMVNEDGTVINRQNGEKVMADDEFTQDLFRFLQLLCEGHNNDFQNYLRTQTGNTTTINIIICTV DYLLRLQESISDFYWYYSGKDVIEEQGKRNFSKAMSVAKQVFNSLTEYIQGPCTGNQQSLAHSRLWDAVVGFLHVFAHMM MKLAQDSSQIELLKELLDLQKDMVVMLLSLLEGNVVNGMIARQMVDMLVESSSNVEMILKFFDMFLKLKDIVGSEAFQDY VTDPRGLISKKDFQKAMDSQKQFTGPEIQFLLSCSEADENEMINFEEFANRFQEPARDIGFNVAVLLTNLSEHVPHDPRL RNFLELAESILEYFRPYLGRIEIMGASRRIERIYFEISETNRAQWEMPQVKESKRQFIFDVVNEGGEAEKMELFVSFCED TIFEMQIAAQISEPEGEPEADEDEGMGEAAAEGAEEGAAGAEGAAGTVAAGATARLAAAAARALRGLSYRSLRRRVRRLR RLTAREAATALAALLWAVVARAGAAGAGAAAGALRLLWGSLFGGGLVEGAKKVTVTELLAGMPDPTSDEVHGEQPAGPGG DADGAGEGEGEGDAAEGDGDEEVAGHEAGPGGAEGVVAVADGGPFRPEGAGGLGDMGDTTPAEPPTPEGSPILKRKLGVD GEEEELVPEPEPEPEPEPEKADEENGEKEEVPEAPPEPPKKAPPSPPAKKEEAGGAGMEFWGELEVQRVKFLNYLSRNFY TLRFLALFLAFAINFILLFYKVSDSPPGEDDMEGSAAGDLAGAGSGGGSGWGSGAGEEAEGDEDENMVYYFLEESTGYME PALWCLSLLHTLVAFLCIIGYNCLKVPLVIFKREKELARKLEFDGLYITEQPGDDDVKGQWDRLVLNTPSFPSNYWDKFV KRKVLDKHGDIFGRERIAELLGMDLASLEITAHNERKPDPPPGLLTWLMSIDVKYQIWKFGVIFTDNSFLYLGWYMVMSL LGHYNNFFFAAHLLDIAMGVKTLRTILSSVTHNGKQLVMTVGLLAVVVYLYTVVAFNFFRKFYNKSEDEDEPDMKCDDMM TCYLFHMYVGVRAGGGIGDEIEDPAGDEYELYRVVFDITFFFFVIVILLAIIQGLIIDAFGELRDQQEQVKEDMETKCFI CGIGSDYFDTTPHGFETHTLEEHNLANYMFFLMYLINKDETEHTGQESYVWKMYQERCWDFFPAGDCFRKQYEDQLS P11716 ZINC ION 6.5409e-05 4 ZN ADENOSINE-5'-DIPHOSPHATE 0.000427201 8 ADP Dantrolene 0.00031425299999999996 4 U1C 4-CHLORO-3-METHYLPHENOL 0.000142583 12 43M CALCIUM ION 4.0078e-05 4 CA CAFFEINE 0.000194191 4 CFF water 1.8015e-05 3740 HOH singleParticle particle 7.5 ETHANE TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 0.5 1.5 GATAN K3 BIOQUANTUM (6k x 4k) COUNTING 58.0 1 PHASE FLIPPING AND AMPLITUDE CORRECTION C4 2.58 FSC 0.143 CUT-OFF cryoSPARC 66232 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_74436.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 600 600 600 0 0 0 600 600 600 498.0 498.0 498.0 90.0 90.0 90.0 X Y Z 0.0 5.5331683 0.012179971 0.107752755 0.83 0.83 0.83 0.7 AUTHOR