X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details Sodium Formate, TRIS-HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 69.71 α = 90
b = 69.71 β = 90
c = 96.21 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR MARRESEARCH -- 2001-04-15
AREA DETECTOR MARRESEARCH -- 2001-06-18
CCD ADSC QUANTUM 4 -- 2001-03-20
Diffraction Radiation
Monochromator Protocol
CuKa SINGLE WAVELENGTH
graphite SINGLE WAVELENGTH
CuKa SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 -- -- --
SYNCHROTRON NSLS BEAMLINE X9B 1.03 NSLS X9B

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 99.6 0.038 0.038 -- 5.0 18798 18663 0.0 0.0 25.0
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 2.07 99.6 0.257 0.257 5.0 4.0 18798

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
MIR 2.0 12.0 -- 0.0 18798 18663 933 99.6 -- -- 0.195 0.211 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 30.0
Anisotropic B[1][1] -2.184
Anisotropic B[1][2] -0.826
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.184
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.369
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.012
c_angle_deg 1.55
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1391
Nucleic Acid Atoms 0
Heterogen Atoms 134
Solvent Atoms 107

Software

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