X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch
Temperature 296.0
Details 7% (W/V) PEG 4000, 7% (V/V) ISOPROPANOL, 50mM SODIUM CITRATE PH 5.6, 50mM TRIS PH 7.8, pH NULL, BATCH, temperature 296K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 125.4 α = 90
b = 125.4 β = 90
c = 117.19 γ = 90
Symmetry
Space Group I 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-04-07
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.9393 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
2.5 25 95.0 0.036 -- -- 6.6 15757 15757 -- -- --
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)
2.5 2.59 96.9 0.088 -- 16.3 6.3 1584

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 2.5 25.0 -- 0.0 -- 15490 1230 93.9 0.203 0.196 0.196 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 2.5 2.59 1532 121 1411 0.26 0.346 0.031 94.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 39.4
Anisotropic B[1][1] 2.86
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.86
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.72
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 1.99
c_mcbond_it 1.49
c_angle_deg 1.3
c_scangle_it 2.96
c_bond_d 0.008
c_mcangle_it 2.65
c_dihedral_angle_d 23.7
c_improper_angle_d 0.84
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2620
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 120

Software

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