ELECTRON MICROSCOPY

Sample

HIV-1 CANC Y169 MUTANT PROTEIN ASSEMBLED WITH 73MER DNA INTO TUBULAR PARTICLES

Specimen Preperation
Sample Aggregation State HELICAL ARRAY
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 100, INSTRUMENT- HOMEMADE PLUNGER,
3D Reconstruction
Reconstruction Method HELICAL
Number of Particles ?
Reported Resolution (Å) 9.4
Resolution Method ?
Other Details ATOMIC MODELS WERE FITTED USING MOLECULAR MOLECULAR DYNAMICS FLEXIBLE FITTING (MDFF). THE CA-NTD ATOMIC MODEL PDB ID 2JPR AND THE CA-CTD ATOMIC MODEL PDB ID 4COP WERE USED AS STARTING MODELS. SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2638. (DEPOSITION ID: 12470).
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details METHOD--FLEXIBLE REFINEMENT PROTOCOL--X-RAY
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 23
Imaging Experiment
Date of Experiment 2012-12-25
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 4500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING MDFF ?
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION AV3 ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details