X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 100 MM SODIUM CITRATE PH 4.7, 16-20 % POLYETHYLENE GLYCOL 6000, 1 MM DTT, 5 MM 5-IODOURACIL, 5 MM NADPH

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 82.21 α = 90
b = 159.69 β = 97.11
c = 167.59 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-10-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 -- ESRF ID14-3

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
2.25 30 98.3 0.064 -- -- 3.6 -- 200114 -- -- 27.5
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)
2.25 2.37 97.4 0.25 -- 5.2 3.4 --

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 2.25 25.0 -- 0.0 -- 199143 3984 98.1 -- 0.177 0.177 0.209 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 2.25 2.35 -- 478 24026 0.215 0.244 0.011 97.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model OVERALL
Mean Isotropic B 33.3
Anisotropic B[1][1] -8.16
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.91
Anisotropic B[2][2] 9.51
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.35
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.4
c_dihedral_angle_d 22.9
c_improper_angle_d 3.11
c_bond_d 0.009
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Sigma A (Observed) 0.19
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.27
Luzzati Sigma A (R-Free Set) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 30999
Nucleic Acid Atoms 0
Heterogen Atoms 690
Solvent Atoms 3073

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALA data scaling
AMoRE phasing