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Three-Dimensional Reconstruction of Heterocapsa circularisquama RNA Virus (HcRNAV-109) by Cryo-Electron Microscopy
Miller JL
Woodward JD
Chen S
Jaffer MA
Weber BW
Nagasaki K
Tomaru Y
Wepf R
Roseman A
Sewell BT
Varsani A
Marine Virus, single-stranded RNA Virus, handedness determination, Alvernaviridae, Dinornavirus
Miller JL
Woodward J
Chen S
Jaffer M
Weber B
Nagasaki K
Tomaru Y
Wepf R
Roseman A
Varsani A
Sewell T
Three-dimensional reconstruction of Heterocapsa circularisquama RNA virus by electron cryo-microscopy.
J.GEN.VIROL.
92
1960
1970
2011
21562120
doi:10.1099/vir.0.031211-0
Heterocapsa circularisquama RNA virus (HcRNAV-109)
Heterocapsa circularisquama RNA virus (HcRNAV-109)
T equals 3
Virus particle containing 180 identical protein subunits and one single-stranded RNA molecule
2
Heterocapsa circularisquama RNA virus
Heterocapsa circularisquama RNA virus
Heterocapsa circularisquama
ALGAE
340
3
VIRION
STRAIN
false
false
HcRNAV-109
Singe Stranded RNA
Heterocapsa circularisquama
OTHER
SINGLE STRANDED
false
singleParticle
particle
7.4
10 mM Na2HPO4 and 10 mM KH2PO4 in distilled water
NEGATIVE
Cryo in ice
300 mesh copper R2/2 Quantifoil grids
ETHANE
90
100
HOMEMADE PLUNGER
Vitrification instrument: Home-made plunger
Blot 3 seconds, re-apply virus, blot 2 seconds. plunge
FEI TECNAI F30
FLOOD BEAM
BRIGHT FIELD
FIELD EMISSION GUN
300
2
1.6
4.8
59000.0
55299.5
GATAN LIQUID NITROGEN
Objective lens astigmatism was corrected at 100,000 times magnification
KODAK SO-163 FILM
OTHER
1.808
108
10
16.
Side entry cryo holder Gatan 626
The concentration of virus in the sample was very low
Each micrograph
I
OTHER
18.0
FSC 0.5 CUT-OFF
MRC, EMAN, SPIDER
We used two different starting models for refinement - one generated by EMAN starticos and one generated by applying the orientations determined by MRC refine
2593
SPIDER