X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.7
Temperature 293.0
Details PEG600, IMIDAZOLE/MALATE, pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 85.58 α = 90
b = 71.79 β = 94.01
c = 93.56 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 ADSC QUANTUM 4 -- 2000-12-03
Diffraction Radiation
Monochromator Protocol
null SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.9464 ESRF ID14-4

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
2.3 20 98.97 -- 0.062 -- 3.42 51032 50606 -- 2.0 22.9
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)
2.3 2.38 98.48 -- 0.26 1.8 3.3 4652

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
rigid body 2.3 19.94 -- 0.0 -- 49655 1986 98.4 -- -- 0.201 0.24 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 2.3 2.44 -- 331 7881 0.23 0.302 0.017 98.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 35.3
Anisotropic B[1][1] -1.17
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -4.47
Anisotropic B[2][2] -0.64
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.81
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.4
c_scangle_it 3.42
c_improper_angle_d 1.56
c_bond_d 0.012
c_mcangle_it 2.51
c_dihedral_angle_d 23.9
c_scbond_it 2.29
c_mcbond_it 1.53
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.19
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.33
Luzzati Sigma A (R-Free Set) 0.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7654
Nucleic Acid Atoms 0
Heterogen Atoms 78
Solvent Atoms 308

Software

Software
Software Name Purpose
CNS refinement
DENZO data reduction
CCP4 data scaling version: (SCALA)
CNS phasing