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QUASI-ATOMIC RESOLUTION MODEL OF BACTERIOPHAGE PRD1 CAPSID, OBTAINED BY COMBINED CRYO-EM AND X-RAY CRYSTALLOGRAPHY.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GW7
Specimen Preparation 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 Point Symmetry I
Map-Model Fitting and Refinement Id 1 (1GW7) 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/Å**2) 6
Imaging Experiment 1 Date of Experiment 2001-12-01 Temperature (Kelvin) 95 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
EM Software 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