REL PDBe PDBe PDBe 2015-06-25 2015-08-12 2015-10-14 2015-11-25 Cryo-EM structure of the Slo2.2 Na+-activated K+ channel Hite RK Yuan P Li Z Hsuing Y Walz T MacKinnon R Ion channel, potassium channel Hite RK Yuan P Li Z Hsuing Y Walz T MacKinnon R Cryo-electron microscopy structure of the Slo2.2 Na(+)-activated K(+) channel NATURE 527 198 203 2015 26436452 doi:10.1038/NATURE14958 5a6f FULLOVERLAP chicken Slo2.2 chicken Slo2.2 tetramer 1 0.55 Slo2.2 Gallus gallus chicken Plasma membrane 0.55 4 tetramer true Spodoptera frugiperda Sf9 pFastbac Q8QFV0 singleParticle particle 4.0 7.4
20 mM HEPES pH 7.4, 300 mM KCl, 1.5 mM dodecyl maltoside, 0.05 mg/ml POPE:POPG (3:1)
300 mesh Cu Quantifoil R1.2 / 1.3
 ETHANE 84 120 FEI VITROBOT MARK IV 4 second blot prior to plunging FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.0 1.5 4.5 105000.0 105000.0 FEI TITAN KRIOS AUTOGRID HOLDER FEI Image corrector Gatan 0.0 30.0 2014-07-07 GATAN K2 (4k x 4k) 5 2243 40
25 sub-frames were recorded for each image in super-resolution counting mode.
Manually picked particles with BOXER. 2D and 3D classification in RELION. Final map generated with RELION using a soft mask that includes only the gating ring.
Each Image
 C4 OTHER 4.2 OTHER SPARX, RELION 24231 emd_3063.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 266.24 266.24 266.24 90.0 90.0 90.0 X Y Z -0.01296597 0.03799237 -0.000052 0.00295178 1.04 1.04 1.04 0.015 AUTHOR Focus refined reconstruction of chicken Slo2.2 gating ring
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