X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8.5
Temperature 294.0
Details PEG 4000, magnesium, chloride, Tris-HCl, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 118 α = 90
b = 45.06 β = 90.65
c = 53.39 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 mirrors 2004-06-20
Diffraction Radiation
Monochromator Protocol
Silicone MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X29A 0.9792, 0.9795 NSLS X29A

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
1.92 50 99.2 0.077 0.077 -- 5.7 21559 21559 0.0 0.0 --
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)
1.92 1.99 97.4 0.27 0.27 -- 4.6 2086

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
MAD 1.92 50.0 0.0 0.0 21237 21237 1034 95.0 -- -- 0.1968 0.2161 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 1.92 1.99 1796 120 -- 0.2603 0.2632 -- 97.4
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 0.377
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.33
Anisotropic B[2][2] -0.823
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.446
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.27728
c_bond_d 0.005478
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1817
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 173

Software

Software
Software Name Purpose
CBASS data collection
SCALEPACK data scaling
SOLVE phasing version: & sharp
CNS refinement
SHARP phasing