REL PDBe PDBe PDBe 2016-01-29 2016-03-09 2016-03-09 2016-03-09 HIV-1 cleaved wild type JR-FL EnvdCT trimer in complex with PGT151 and 10E8 Fabs at 8.8 A resolution Lee JH Ward AB HIV-1, Env, PGT151, 10E8, antibody, MPER Lee JH Ozorowski G Ward AB CryoEM structure of a native, fully glycosylated and cleaved HIV-1 envelope trimer SCIENCE 351 1043 1048 2016 doi:10.1126/science.aad2450 Cleaved JR-FL EnvdCT in complex with PGT151 and 10E8 Fabs Cleaved JR-FL EnvdCT in complex with PGT151 and 10E8 Fabs One trimer bound to one PGT151 and two 10E8 Fabs 3 0.585 HIV-1 Envelope glycoprotein Human Immunodeficiency Virus-1 JR-FL HIV-1 0.435
wild-type JR-FL Env trimer with the cytoplasmic tail truncated
1 Trimer true Mammalian Human HEK293F phCMV3 Immunoglobulin G PGT151 Homo sapiens Human 0.050
PGT151 cleaved into Fab
1 Heterodimer true Mammalian Human HEK293F Immunoglobulin G 10E8 Homo sapiens Human 50
10E8 expressed as Fab
2 Heterodimer true Mammalian Human HEK293F singleParticle particle 4 7.4
50 mM Tris pH 7.4, 150 mM NaCl, 0.1% DDM, 0.03 mg/mL sodium deoxycholate
400 mesh C-Flat, CF-2/2-4C, plasma cleaned for 5 seconds
 ETHANE HOMEMADE PLUNGER
Samples were treated with biobeads prior to freezing.
Grids were manually plunged at RT. FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.7 1.3 3.0 22500.0 22500.0 FEI TITAN KRIOS AUTOGRID HOLDER Objective astigmatism corrected at 22,500x magnification. 2014-12-16 GATAN K2 SUMMIT (4k x 4k) 5.0 3969 32.4
Each full dose image is an aligned stack of frames recorded each using a dose of ~10 e-/Angstrom^2/sec. However, in the Nov session, the microscope experienced FEG instability resulting in intensity drop over the course of data collection.
 0 FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.7 1.3 2.5 22500.0 22500.0 FEI TITAN KRIOS AUTOGRID HOLDER Objective astigmatism corrected at 22,500x magnification.
Unstable beam intensity over the course of data collection.
2014-11-17 GATAN K2 SUMMIT (4k x 4k) 5.0 3969 28.1
Each full dose image is an aligned stack of frames recorded each using a dose of ~10 e-/Angstrom^2/sec. However, in the Nov session, the microscope experienced FEG instability resulting in intensity drop over the course of data collection.
 0
The full data set was sorted into multiple 3D classes, which all had various Fab binding stoichiometries of PGT151 and 10E8. This reconstruction is the only sub-population that refined below 10A resolution.
Each micrograph
 C1 OTHER 8.8 OTHER Relion 15525 emd_3312.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 335.36 335.36 335.36 90.0 90.0 90.0 X Y Z -0.01747882 0.05539626 0.00008552 0.00413677 1.31 1.31 1.31 0.022 AUTHOR Reconstruction of EnvdCT in complex with 10E8 and PGT151 Fabs. Partial density of a third 10E8 Fab visible due to partial binding occupancy.
::::EMDATABANK.org::::EMD-3312::::
 4G6F L H P RIGID BODY FIT Chimera
The N-terminal helix of the gp41 peptide and Fab constant regions were removed prior to fitting.
REAL 5FUU A B C D E F RIGID BODY FIT Chimera REAL
emd_3312.png