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CRYO-EM STRUCTURE OF COXSACKIEVIRUS B3(M STRAIN) WITH ITS CELLULAR RECEPTOR, COXSACKIEVIRUS AND ADENOVIRUS RECEPTOR (CAR).
ELECTRON MICROSCOPY
Crystallization
Crystalization Experiments
ID
Method
pH
Temperature
Details
1
ELECTRON MICROSCOPY RECONSTRUCTION
7.5
298
WARNING: THIS IS AN CRYO-ELECTRON MICROSCOPY MODEL DEPOSITION. CRYO-EM INFORMATION HAS BEEN INCLUDED IN THE PDB FILE., pH 7.5, ELECTRON MICROSCOPY RECONSTRUCTION, temperature 298K
Sample
COXSACKIEVIRUS B3(M STRAIN) WITH ITS CELLULAR RECEPTOR
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
Cryogen Name
Sample Vitrification Details
CVB3 WAS INCUBATED WITH CAR SAMPLE FOR 1 HOURS AT 25
DEGREES CELSIUS (298 KELVIN) USING A FOUR-FOLD EXCESS
OF CAR FOR EACH OF THE SIXTY POSSIBLE BINDI ...
CVB3 WAS INCUBATED WITH CAR SAMPLE FOR 1 HOURS AT 25
DEGREES CELSIUS (298 KELVIN) USING A FOUR-FOLD EXCESS
OF CAR FOR EACH OF THE SIXTY POSSIBLE BINDING
SITES PER VIRION. AFTER INCUBATION, 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.
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
635
Reported Resolution (Å)
22
Resolution Method
OTHER
Other Details
THE RESOLUTION OF THE FINAL RECONSTRUCTED DENSITY WAS
DETERMINED TO BE AT LEAST 22 ANGSTROMS, AS MEASURED BY
RANDOMLY SPLITTING THE PARTICLES INTO ...
THE RESOLUTION OF THE FINAL RECONSTRUCTED DENSITY WAS
DETERMINED TO BE AT LEAST 22 ANGSTROMS, AS MEASURED BY
RANDOMLY SPLITTING THE PARTICLES INTO TWO SETS AND
COMPARING STRUCTURE FACTORS OBTAINED FROM SEPARATE
RECONSTRUCTIONS (BAKER ET AL. 1991, BIOPHYS.J. 60,
1445-1456). THE EIGENVALUE SPECTRUM GAVE AN INDICATION
OF THE RANDOMNESS OF THE DATA THAT WAS INCLUDED IN THE
RECONSTRUCTION. THE COMPLETENESS OF THE DATA WAS VERIFIED
IN THAT ALL EIGENVALUES EXCEEDED 1.0.
Refinement Type
Symmetry Type
POINT
Point Symmetry
I
Map-Model Fitting and Refinement
Id
1
Refinement Space
REAL
Refinement Protocol
OTHER
Refinement Target
Overall B Value
Fitting Procedure
Details
METHOD--Acta Cryst. D56, 1341 REFINEMENT PROTOCOL--EMFIT DETAILS--THE
DIFFERENCE MAP BETWEEN CVB3-CAR COMPLEX AND NATIVE CVB WAS CALCULATED AND THEN ...
METHOD--Acta Cryst. D56, 1341 REFINEMENT PROTOCOL--EMFIT DETAILS--THE
DIFFERENCE MAP BETWEEN CVB3-CAR COMPLEX AND NATIVE CVB WAS CALCULATED AND THEN
FITTED WITH THE N-TERMINAL DOMAIN OF CAR (1KAC, B-CHAIN). THE AUTOMATIC FITTING
WAS DONE USI PROGRAM EMFIT DESCRIBED IN ACTA CRYST. D56, 1341-1349. THE CRYSTAL
STRUCTURE OF POLIOVIRUS WAS PLACED INTO THE