REL PDBe PDBe PDBe 2013-02-05 2013-03-06 2013-03-13 2013-04-03 Structural visualization of key steps in human transcription initiation He Y Fang J Taatjes DJ Nogales E human transcription initiation He Y Fang J Taatjes DJ Nogales E Structural visualization of key steps in human transcription initiation. NATURE 495 481 486 2013 23446344 doi:10.1038/nature11991 TBP-TFIIA-TFIIB-DNA-Pol II (close) TBP-TFIIA-TFIIB-DNA-Pol II (close) 5 0.73 TATA-box-binding protein Homo sapiens Human 0.038 1 true Escherichia coli General transcription factor IIA Homo sapiens Human 0.054 1 true Escherichia coli General transcription factor IIB Homo sapiens Human 0.035 1 true Escherichia coli DNA-directed RNA polymerase II Homo sapiens Human Hela Nucleus 0.55 1 false Core promoter DNA Homo sapiens 0.055 DNA DOUBLE HELIX true singleParticle particle 0.07 7.9
10 mM HEPES, 5% glycerol, 10 mM MgCl2, 50 mM KCl, 1 mM DTT, 0.05% NP-40
400-mesh C-flats with thin carbon support over 4um holes with 2um spacing (Protochips Inc.)
 ETHANE 100 FEI VITROBOT MARK II Incubation on grid for 5 minutes before blotting 4 seconds at -1 offset. FEI TECNAI F20 FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 120 2.2 1.2 2.4 100000.0 100000.0 GATAN LIQUID NITROGEN objective lens astigmatism was corrected at 250,000 times magnification.
Data acquired using Leginon
2012-04-07 GATAN ULTRASCAN 4000 (4k x 4k) 3000 20 Gatan 626 liquid nitrogen cooled
whole micrograph
 C1 OTHER 12.0 FSC 0.143 CUT-OFF EMAN2, SPARX
Image processing was performed in the Appion processing environment. 3D reconstruction was performed using EMAN2 and SPARX libraries. Final map was filtered to local resolution using the blocres function in Bsoft package.
122480 emd_2304.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 192 192 192 0 0 0 192 192 192 403.19998 403.19998 403.19998 90.0 90.0 90.0 X Y Z -10.483474729999999 16.485479349999999 0.01232164 0.6673907 2.1 2.1 2.1 2.5 AUTHOR TBP-TFIIA-TFIIB-DNA-Pol II (close)
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