REL RCSB RCSB RCSB 2015-04-21 2015-05-06 2015-07-22 2015-07-22 Electron cryo-microscopy of T4 portal protein Sun L Zhang X Gao S Rao PA Padilla-Sanchez V Chen Z Sun S Xiang Y Sriram S Rao VB Rossmann MG T4 portal protein Sun L Zhang X Gao S Rao PA Padilla-Sanchez V Chen Z Sun S Xiang Y Subramaniam S Rao VB Rossmann MG Cryo-EM structure of the bacteriophage T4 portal protein assembly at near-atomic resolution. Nat.Commun. 6 7548 7548 2015 26144253 doi:10.1038/ncomms8548 3ja7 FULLOVERLAP T4 portal protein gp20 T4 portal protein gp20 dodecamer 1 0.66 T4 Portal protein gp20 Enterobacteria phage T4 phage T4 0.66 12 dodecamer true Escherichia coli BL21(DE3) BL21(DE3) pLysS pCDFDuet-1 P13334 singleParticle particle 1.0 7.8
20 mM Tris, 400 mM NaCl, 5 mM EDTA
Quantifoil R1.2/1.3 holey carbon on 200 mesh copper
 ETHANE 90 120 GATAN CRYOPLUNGE 3 Blot for 7 seconds before plunging FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.7 1.5 2.5 29000.0 50000.0 FEI TITAN KRIOS AUTOGRID HOLDER 80 105 100 Gatan 0.0 25.0 2014-07-10 GATAN K2 (4k x 4k) 839 2
Every image is the average of 11 frames recorded by the direct electron detector.
8. Liquid nitrogen-cooled
The particles were selected using an automatic selection program.
each particle
 OTHER 3.6 OTHER Relion 98000 15 emd_6324.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 272 272 272 -136 -136 -136 272 272 272 272.0 272.0 272.0 90.0 90.0 90.0 X Y Z -0.09168965 0.13901675 0.00052522 0.00507363 1.0 1.0 1.0 0.016 EMDB Reconstruction of T4 portal protein gp20
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