REL PDBe PDBe PDBe 2013-12-06 2014-01-15 2014-01-29 2014-04-16 Single particle electron microscopy of the human mitochondrial transcription initiation complex Yakubovskaya E Guja KE Eng ET Choi WS Mejia E Beglov B Lukin M Kozakov D Garcia-Diaz M human mitochondrial transcription, POLRMT, TFAM, TFB2M Yakubovskaya E Guja KE Eng ET Choi WS Mejia E Beglov B Lukin M Kozakov D Garcia-Diaz M Organization of the human mitochondrial transcription initiation complex NUCLEIC ACIDS RES. 42 4100 4112 2014 24413562 doi:10.1093/nar/gkt1360 Quaternary complex of POLRMT, TFAM, TFB2M and LSP DNA Quaternary complex of POLRMT, TFAM, TFB2M and LSP DNA
The complex also has a DNA, that has a mitochondrial light strand promoter sequence
one POLRMT one TFB2M and one TFAM TFAM) 3 0.250 0.250 Gel filtration, electrophoresis Dimethyladenosine transferase 2, mitochondrial Homo sapiens human 0.039 0.039 1 1 true Escherichia coli Q9H5Q4 Dimethyladenosine transferase 2, mitochondrial Homo sapiens human 0.039 0.039 1 1 true Escherichia coli Q9H5Q4 Transcription factor A, mitochondrial Homo sapiens human 0.029 0.029 1 1 true Escherichia coli Q00059 singleParticle particle 0.2 8.0
50mM KCl,20mM,HEPES, 10mM MgCl2
 NEGATIVE
Grids with adsorbed complex were washed 2 times in buffer and then floated on 1% w/v uranyl acetate for 30 seconds.
200 mesh gold grid with thin carbon support, glow discharged in amylamine atmosphere
 NONE OTHER FEI TECNAI F20 SPOT SCAN BRIGHT FIELD FIELD EMISSION GUN 200 -1.5 -0.5 50000.0 88249.0 GATAN LIQUID NITROGEN Objective lens astigmatism was corrected at 50,000 times magnification at each new area of the grid FEI 2013-10-21 OTHER 10 200 liquid nitrogen cooled
Reference free classes were divided into two subsets, based on particle size, and two initial models were generated from each subset. One model had a visibly elongated shape, whereas the other was more compact. We utilized both models as starting points for parallel refinement, as implemented in EMAN MULTIREFINE routine
EMAN2 protocol each particle
 C1 OTHER 25.0 OTHER EMAN2 12453 15 emd_2529.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 42 42 42 -6 -6 -6 42 42 42 142.8 142.8 142.8 90.0 90.0 90.0 X Y Z -2.27669072 6.27684975 0.0 0.99999994 3.4 3.4 3.4 4.77 EMDB Reconstruction of the human mitochondrial transcription initiation complex
::::EMDATABANK.org::::EMD-2529::::
 3SPA A RIGID BODY FIT Chimera, SITUS
3 proteins were fitted separately by manual docking and then refine with SITUS and in-home program.
REAL 4GS5 A RIGID BODY FIT Chimera, SITUS
3 proteins were fitted separately by manual docking and then refine with SITUS and in-home program.
REAL 3TQ6 A RIGID BODY FIT Chimera, SITUS
3 proteins were fitted separately by manual docking and then refine with SITUS and in-home program.
REAL