REL RCSB RCSB RCSB 2014-03-28 2014-04-09 2014-04-09 2014-05-14 Electron cryo-microscopy of the Moloney murine leukemia virus furin precursor Env in its isomerization arrested state (IAS) form Sjoberg M Wu SR Loving R Rantalainen K Lindqvist B Garoff H Furin precursor, Moloney murine leukemia virus, Env maturation, intermediate form Sjoberg M Wu SR Loving R Rantalainen K Lindqvist B Garoff H Furin cleavage of the Moloney murine leukemia virus Env precursor reorganizes the spike structure. PROC.NAT.ACAD.SCI.USA 111 6034 6039 2014 24711391 doi:10.1073/pnas.1317972111 Isomerization arrested stage (IAS) of the furin cleavage deficient mutant (R466G/K468G) Env of Moloney murine leukemia virus Isomerization arrested stage (IAS) of the furin cleavage deficient mutant (R466G/K468G) Env of Moloney murine leukemia virus
Affinity purified, gradient separated protein in 0.05% Triton X-100
trimer 1 0.5 0.27 Estimated from Blue native PAGE gp90 Moloney murine leukemia virus 0.5 0.27 3 Trimer false singleParticle particle 0.1 7.4
50 mM HEPES, 100 mM NaCl, 1.8 mM CaCl2, pH 7.4
400 mesh holey carbon grid, glow discharged
 ETHANE 90 77 FEI VITROBOT MARK II Blotted for 3 seconds before plunging in liquid ethane, followed by transfer into liquid nitrogen. JEOL 2100F SPOT SCAN BRIGHT FIELD FIELD EMISSION GUN 200 2.0 2.5 4.0 43200.0 43200.0 GATAN LIQUID NITROGEN 93 96 95 Objective lens astigmatism was corrected using online FFT. 2013-01-25 TVIPS TEMCAM-F416 (4k x 4k) 3.5 456 9 14.
The particles were selected using a semi-automatic selection program in EMAN.
Each particle
 OTHER 23.0 OTHER EMAN1, EMAN2
Final maps were calculated from seven averaged datasets. The particles were selected using an automatic selection program. Damaged particles were removed after visual inspection.
3825
EMAN
 30 emd_5937.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 48 48 48 -7 -7 -7 48 48 48 168.0 168.0 168.0 90.0 90.0 90.0 X Y Z -3.14429808 6.27997875 0.02771065 0.87513155 3.5 3.5 3.5 2.6 AUTHOR Reconstruction of the furin precursor of the Moloney murine leukemia virus at isomerization arrested intermediate stage (IAS)
::::EMDATABANK.org::::EMD-5937::::
 1AOL RIGID BODY FIT Chimera
The atomic model for the Mo-RBD was obtained using the atomic structure of the highly homologous F-RBD (Fass et al, 1997) (PDB ID 1AOL) and the SWISS-MODEL protein structure homology-modeling server (accessible through the ExPASy web server).
REAL