REL RCSB RCSB RCSB 2014-09-29 2014-10-08 2014-12-10 2015-01-14 Cryo-EM structure of calstabin-bound RYR1-EGTA (class 2) Zalk R Clarke OB des Georges A Grassucci RA Reiken S Mancia F Hendrickson WA Frank J Marks AR calcium release, excitation-contraction coupling in muscle, closed-state, alpha solenoid scaffold, six-transmembrane ion channel, EF-hands, calstabin, FKBP12, SPRY Zalk R Clarke OB des Georges A Grassucci RA Reiken S Mancia F Hendrickson WA Frank J Marks AR Structure of a mammalian ryanodine receptor. NATURE 517 44 49 2015 25470061 doi:10.1038/nature13950 rabbit skeletal muscle type 1 RyR (RyR1), EGTA-treated, bound to calstabin2 (FKBP12.6) rabbit skeletal muscle type 1 RyR (RyR1), EGTA-treated, bound to calstabin2 (FKBP12.6) heterooctamer 2 3 sequence Ryanodine Receptor 1 Oryctolagus cuniculus rabbit skeletal muscle 2.2 2.2
Closed state, EGTA treated
4 Tetramer false P11716 GO:0006874 GO:0005219 GO:0016021 GO:0006811 GO:0055085 GO:0070588 GO:0005216 GO:0005262 GO:0005509 GO:0005515 IPR013333 IPR003877 IPR001870 IPR011992 IPR005821 Peptidyl-prolyl cis-trans isomerase FKBP1B Homo sapiens human true Escherichia coli singleParticle particle 8 7.5
10 mM HEPES, pH 7.5, 1% w/v CHAPS, 1 M NaCl, 2 mM TCEP, 5 mM EGTA, 0.25% w/v CHAPS, 0.001% w/v DOPC (Avanti)
C-flat CF-1.2/1.3-2C-T, Protochips Inc, NC
 ETHANE 100 95 FEI VITROBOT MARK IV Wait 30 seconds, blot 1.5 seconds, then plunge. FEI POLARA 300 FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.26 -1.0 -4.0 23000.0 31558.0 GATAN HELIUM Objective lens astigmatism was corrected at 180,000 times magnification.
8 second exposure, 23 frames
2014-07-01 GATAN K2 (4k x 4k) 3423 25
Movie frames were aligned with Dosegpu_driftcorr. Particles were picked with Arachnid Autopicker and classified and refined with Relion.
each particle
 4.8 OTHER Relion 46400
0.5 degree sampling
 emd_6106.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 316 316 316 0 0 0 316 316 316 524.56 524.56 524.56 90.0 90.0 90.0 X Y Z -0.05748941 0.10936084 -0.00003626 0.00499099 1.66 1.66 1.66 0.02 AUTHOR Reconstruction with C4 symmetry imposed of class 2 of the RYR1-EGTA dataset filtered at 4.8A and sharpened with a B factor of -214
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 emd_6106_fsc.xml emd_6106_fsc_1.xml