ELECTRON MICROSCOPY

Sample

BACTERIOPHAGE PRD1

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details ETHANE
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 1468
Reported Resolution (Å) 13.5
Resolution Method ?
Other Details RIGID BODY REFINEMENT AGAINST CRYO-EM MAP WAS DONE USING XPLOR 3.851 (BRUNGER) DATA USED IN REFINEMENT. NUMBER OF REFLECTIONS 1430672
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space RECIPROCAL
Refinement Protocol RIGID BODY FIT
Refinement Target R-factor
Overall B Value ?
Fitting Procedure ?
Details METHOD--RIGID BODY REFINEMENT PROTOCOL--X-RAY
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 6
Imaging Experiment
Date of Experiment 2001-12-01
Temprature (Kelvin)
Microscope Model FEI/PHILIPS CM200FEG
Minimum Defocus (nm) 1300
Maximum Defocus (nm) 4100
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 50000
Calibrated Magnification 45300
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING EMfit ?
RECONSTRUCTION MRC IMAGE PROCESSING PACKAGE ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
? PHASE RESTORATION BY CTF- MULTIPLICATION OF IMAGES. AMPLITUDE RESTORATION BY COMPARISON WITH QUASI- ATOMIC MODEL