REL
PDBe
PDBe
PDBe
2005-09-10
2005-09-10
2006-09-10
2011-05-26
Hepatitis B small surface antigen particles are octahedral.
Gilbert RJC
Beales L
Blond D
Simon MN
Gilbert RJ
Beales L
Blond D
Simon MN
Lin BY
Chisari FV
Stuart DI
Rowlands DJ
Hepatitis B small surface antigen particles are octahedral.
PROC.NAT.ACAD.SCI.USA
102
14783
14788
2005
16203986
doi:10.1073/pnas.0505062102
Hepatitis B small surface antigen
Hepatitis B small surface antigen
The sample was a mixed population of smaller and
larger particles; this is a map of the larger kind
An octahedral structure consisting of 48
1
2.16
2.04
Volumetrically, also by STEM and fitting of
atomic models
surface antigen
Hepatitis B virus
Mouse serum
0.024
0.024
48 sAg proteins compose the particle reconstructed
48
48 copies obeying octahedral symmetry
true
Mus musculus
singleParticle
particle
0.3
7.2
PBS
300 mesh copper grid bearing holey carbon film
ETHANE
20
HOMEMADE PLUNGER
Vitrification instrument: Simple guillotone
Blot until grid draws away from paper
FEI/PHILIPS CM200FEG
FLOOD BEAM
BRIGHT FIELD
FIELD EMISSION GUN
200
2
1.79
7.21
38000.0
GATAN LIQUID NITROGEN
100
Astigmatism corrected at 135,000 magnification
2000-06-01
KODAK SO-163 FILM
OTHER
8.33
17
2
5.0
8.
Eucentric
The particles were selected using Ximdisp
by micrograph
O
OTHER
12.0
OTHER
IMAGIC, FREALIGN and SPIDER
Single particles were reconstructed in IMAGIC using
D2 symmetry and then in FREALIGN using tetrahedral
symmetry. Maps were shown to in fact have octahedral
symmetry. Reconstruction was iterative and has symmetry
determination and size fractionation coupled.
882
SPIDER