ELECTRON MICROSCOPY Experimental Data



EM Sample
Sample Concentration (mg/ml) 8.0
Sample pH 7.5
Sample Vitrification Details SAMPLES WERE PREPARED AS THIN LAYERS OF VITREOUS ICE AND MAINTAINED AT NEAR LIQUID NITROGEN TEMPERATURE IN THE ELECTRON MICROSCOPE WITH A GATAN 626 CRYOTRANSFER HOLDER
Sample Aggregation State PARTICLE
Name of Sample human decay-accelerating factor, HUMAN ECHOVIRUS 7 COAT PROTEINS
Sample Details This structure is modeled based on cryo-EM density at 16A resolution.
EM Data Acquisition
Date of Experiment 2001-09-10
Num of Micrographs-Images Used --
Temperature (Kelvin) 120.0
Microscope Model FEI/PHILIPS CM300FEG/T
Detector Type --
Minimum Defocus (nm) 1800.0
Maximum Defocus (nm) 4200.0
Minimum Tilt Angle (degrees) --
Maximum Tilt Angle (degrees) --
Nominal CS --
Imaging Mode BRIGHT FIELD
Electron Dose (electrons nm**-2) 1660.0
Illumination Mode --
Nominal Magnification 45000
Calibrated Magnification --
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details --
3D Reconstruction
Software Package(s)
Reconstruction Method PFT
EM Image Reconstruction Statistics
Nominal Pixel Size 3.11
Effective Resolution 16.0
CTF Correction Method CTF correction of each micrograph
Other Details The echovirus 7 structure is unknown, the model used here is from coxsackievirus B3 (1COV) and echovirus 1 (1EV1).The DAF receptor model is from 1g40. Only CA coordinates are presented in the entry.
EM Map-Model Fitting and Refinement
Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Fitting Software
REAL -- -- -- -- EMFIT