REL PDBe PDBe PDBe 2007-05-24 2007-05-30 2007-05-30 2011-05-26 Three-dimensional structure of a voltage-gated potassium channel at 2.5 nm resolution. Sokolova O Kolmakova-Partensky L Grigorieff N Sokolova O Kolmakova-Partensky L Grigorieff N Three-dimensional structure of a voltage-gated potassium channel at 2.5 nm resolution. STRUCTURE 9 215 220 2001 11286888 1bl8 FULLOVERLAP 1a68 FULLOVERLAP Shaker B channel Shaker B channel
This is an inactivation-removed Shaker B channel construct, delta6-46/F425G, with a C-terminal 1D4 immunoaffinity tag. The molecular weight given above includes glycosylation.
One homotetramer 1 0.86 0.86 SDS PAGE electrophoresis Kv1.1 Drosophila melanogaster Drosophila Muscule COS-1 Cell membranes Cell membranes 0.86 0.86 4 Tetramer true Mammalian pmt3 singleParticle particle 7.4
80 mM KCl, 2 mM NaEDTA, 40 mM HEPES-KOH, 0.7% CHAPS, 1 mM DTT, 50 mM NaCl, 0.2 mM leupeptin/pepstatin,1 mM PMSF
 NEGATIVE
Grids floated on drops of sample buffer twice with blotting inbetween, than floated on 1% solution of uranyl acetate twice (blot inbetween) for 10 seconds each
Continuous carbon on 400 mesh copper grid
 ETHANE FEI/PHILIPS CM120T FLOOD BEAM BRIGHT FIELD LAB6 120 2.0 1.5 1.9 60000.0 OTHER Objective lens astigmatism was corrected at 100,000 times magnification KODAK SO-163 FILM ZEISS SCAI 3.5 40 10 8. Side-entry room temperature
Manual selection of particles
Each particle
 C4 OTHER 25.0 FSC 0.5 CUT-OFF IMAGIC, FREALIGN 6000 50 emd_1367.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 64 64 64 -32 -32 -32 64 64 64 224 224 224 90 90 90 X Y Z -0.524587 1.17639 -0.0588283 0.213118 3.5 3.5 3.5 0.471 This is an image of surface rendered view of Shaker potassium voltage-gated channel
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