X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 5 MG/ML PROTEIN 100 MM BIS-TRIS PH 6.5 1-3% PEG6000 1 MM DTT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 104.4 α = 90
b = 70.44 β = 96.29
c = 73.83 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS -- --
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A 0.9686, 0.9792, 0.9794, 0.9856 NSLS X4A

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 30 99.0 -- 0.036 -- 19.0 -- 23805 -- -- --
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 2.4 96.9 -- 0.187 5.0 -- --

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
MAD 2.3 30.0 -- 0.0 -- 23586 2393 99.1 -- 0.229 0.229 0.269 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 2.32 -- 33 462 0.274 0.319 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 44.7
Anisotropic B[1][1] 4.595
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 6.104
Anisotropic B[2][2] 5.69
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -10.284
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 4.71
c_bond_d 0.006
c_mcangle_it 3.59
c_mcbond_it 2.24
c_angle_deg 1.256
c_scbond_it 3.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2748
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 69

Software

Software
Software Name Purpose
MLPHARE phasing
CNS refinement version: CNS-03
DENZO data reduction
SCALEPACK data scaling