X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Details VIRUS WAS CRYSTALLISED USING THE HANGING DROP METHOD. 5 MICROLITERS OF VIRUS SOLUTION IN 0.25M HEPES BUFFER (PH 7.5), WITH 0.25M NACL WAS MIXED WITH 5 MICROLITERS OF THE RESERVOIR SOLUTION, 0.5-1.5% PEG 8000., vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 362.6 α = 90
b = 347.1 β = 90
c = 334.9 γ = 90
Symmetry
Space Group P 2 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
FILM FILM -- 1994-04
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F1 -- CHESS F1

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2.8 30 63.1 0.11 -- -- 2.1 -- 645656 -- 3.0 16.0
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.82 3.13 33.0 0.182 -- -- -- --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.9 8.0 -- 3.0 -- 564008 62757 63.1 -- 0.229 0.229 0.23 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.9 3.03 -- 3695 33697 0.296 0.295 -- 33.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 10.7
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 2.0
x_scbond_it 2.0
x_mcangle_it 1.5
x_mcbond_it 1.5
x_improper_angle_d 1.2
x_bond_d 0.008
x_angle_deg 1.4
x_dihedral_angle_d 26.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6333
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 311

Software

Computing
Computing Package Purpose
PURDUE DATA PROCESSING PACKAGE Data Reduction (intensity integration)
PURDUE DATA PROCESSING PACKAGE Data Reduction (data scaling)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building