REL RCSB RCSB RCSB 2015-06-29 2015-08-12 2015-10-07 2015-12-09 Structure of full-length IP3R1 channel in the apo-state determined by single particle cryo-EM Fan G Baker ML Wang Z Baker MR Sinyagovskiy PA Chiu W Ludtke SJ Serysheva II inositol 1, 4, 5-trisphosphate receptor, calcium release channel, single-particle cryo-EM, calcium signaling, 3D reconstruction Fan G Baker ML Wang Z Baker MR Sinyagovskiy PA Chiu W Ludtke SJ Serysheva II Gating machinery of InsP3R channels revealed by electron cryomicroscopy. NATURE 527 336 341 2015 26458101 doi:10.1038/nature15249 3jav FULLOVERLAP Inositol 1,4,5-trisphosphate receptor, type 1 Inositol 1,4,5-trisphosphate receptor, type 1
The sample was purified from rat cerebellum after solubilization with detergent; only freshly purified protein was used for cryo-EM visualization.
tetramer 1 1.3 Inositol 1,4,5-trisphosphate receptor Rattus norvegicus Rat cerebellum endoplasmic reticulum membrane 0.3 0.33
detergent-solubilized protein
4 tetramer false P29994 singleParticle particle 0.4 7.4
50 mM Tris-HCl, pH 7.4, 0.4% CHAPS, 150 mM NaCl, 1 mM DTT, 1 mM EGTA, 1 mM EDTA
400 mesh copper grids with thin carbon support
 ETHANE 100 120 FEI VITROBOT MARK IV blot once for 3 seconds FEI POLARA 300 FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.0 0.6 3.5 23000.0 30886.0 GATAN LIQUID NITROGEN 95 102 100 Objective lens astigmatism was corrected at 100,000 times magnification. FEI 2014-01-01 GATAN K2 (4k x 4k) 0.81 4160 22
Every image is the sum of 30 frames recorded with a direct electron detector.
Particle selection: EMAN2.1, CTF correction: CTFFIND3, initial model: EMAN2.1, refinement: RELION 1.3
CTFFIND3
 OTHER 4.7 OTHER RELION_1.3, EMAN_2.1
The final map was generated from 96,106 particles.
96106 emd_6369.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 414.72 414.72 414.72 90.0 90.0 90.0 X Y Z -6.21526337 16.27171135 0.02987346 0.38540578 1.62 1.62 1.62 0.7 AUTHOR Reconstruction of IP3R1/Calcium release channel from the rat cerebellum
::::EMDATABANK.org::::EMD-6369::::