X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 7.2
Temperature 298.0
Details 2M K3PO4, pH 7.2, VAPOR DIFFUSION, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.74 α = 90
b = 172.48 β = 104.28
c = 95.41 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1999-03-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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
2.7 92 94.8 0.28 -- -- 5.1 66775 63328 -- -3.0 48.8
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)
2.7 2.75 86.1 1.0 -- -- 4.9 2865

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
-- 2.7 20.0 -- 1.0 -- 62997 6375 94.6 -- 0.205 0.205 0.236 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 2.7 2.87 -- 964 8574 0.298 0.334 0.011 86.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUP
Mean Isotropic B 36.8
Anisotropic B[1][1] 3.63
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 3.19
Anisotropic B[2][2] -5.68
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.05
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 22.2
c_bond_d 0.007
c_improper_angle_d 2.09
c_angle_deg 1.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.33
Luzzati Sigma A (Observed) 0.44
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.38
Luzzati Sigma A (R-Free Set) 0.53
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12659
Nucleic Acid Atoms 0
Heterogen Atoms 216
Solvent Atoms 287

Software

Software
Software Name Purpose
CNS refinement
DENZO data reduction
SCALEPACK data scaling
CNS phasing