X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6.5
Temperature 294.0
Details ammonium sulfate, MES, pH 6.5, VAPOR DIFFUSION, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 59.4 α = 90
b = 65.78 β = 99.5
c = 80.1 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
CCD ADSC QUANTUM 4 mirrors 2001-01-11
Diffraction Radiation
Monochromator Protocol
Si 111 channel MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 0.9292, 0.9795, 0.9797, 1.005 SSRL BL9-2

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 30 87.8 0.39 0.02 -- 2.2 20657 18147 2.0 2.0 37.0
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)
2.0 30.0 98.8 0.327 -- 3.6 2.4 --

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
MAD 2.0 30.0 -- 0.0 20657 18147 2206 89.8 -- -- 0.266 0.289 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 2.0 2.13 -- 304 2080 0.355 0.367 0.021 69.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 52.9
Anisotropic B[1][1] -2.03
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -7.12
Anisotropic B[2][2] 17.26
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -15.23
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.62
c_bond_d 0.007
c_angle_deg 0.9
c_mcangle_it 2.21
c_scangle_it 4.24
c_dihedral_angle_d 14.9
c_scbond_it 2.75
c_mcbond_it 1.41
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Sigma A (Observed) 0.34
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.37
Luzzati Sigma A (R-Free Set) 0.37
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2005
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 52

Software

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