X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.4
Temperature 293.0
Details 0.2M Potassium Formate, 15% polyethylene glycol 3350, pH7.4, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.99 α = 90
b = 84.44 β = 92.34
c = 95.3 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD Bruker DIP-6040 -- 2005-05-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL44XU 0.9 SPring-8 BL44XU

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
2.4 94.9 -- -- -- -- -- -- 49797 -- -- 22.8

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 2.4 63.16 -- 0.0 -- 49356 4968 99.2 -- 0.212 0.212 0.257 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 2.4 2.55 -- 805 7132 0.266 0.331 0.012 96.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 27.6
Anisotropic B[1][1] -6.12
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.22
Anisotropic B[2][2] -4.72
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 10.84
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 24.7
c_improper_angle_d 0.84
c_bond_d 0.011
c_angle_deg 1.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.27
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.38
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10792
Nucleic Acid Atoms 0
Heterogen Atoms 60
Solvent Atoms 250

Software

Software
Software Name Purpose
CNS refinement version: 1.1
HKL-2000 data collection
HKL-2000 data reduction
HKL-2000 data scaling
MOLREP phasing