X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 9.5
Temperature 293.0
Details 18% PEG4000, 0.18M Sodium acetate, 0.18M Gly-NaOH, pH 9.5, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 118.04 α = 90
b = 125.92 β = 90
c = 136.84 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- --
Diffraction Radiation
Monochromator Protocol
OSMIC MIRROR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.5418 -- --

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
2.6 100 94.4 0.078 -- -- 6.4 -- 58751 0.0 0.0 41.5
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)
2.6 2.74 72.8 0.213 -- 3.5 4.6 --

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
MIR 2.6 10.0 -- 0.0 -- 58751 5926 94.4 -- -- 0.249 0.302 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 2.6 2.76 -- 746 6749 0.269 0.331 0.012 73.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 25.1
Anisotropic B[1][1] -4.78
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.13
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.65
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.3
c_dihedral_angle_d 24.4
c_bond_d 0.006
c_improper_angle_d 0.71
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Sigma A (Observed) 0.19
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.42
Luzzati Sigma A (R-Free Set) 0.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11942
Nucleic Acid Atoms 0
Heterogen Atoms 140
Solvent Atoms 273

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
MLPHARE phasing
CNX refinement
CCP4 data scaling version: (SCALA)