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 -- 2001-06-18
AREA DETECTOR MARRESEARCH -- 2001-04-15
CCD ADSC QUANTUM 4 -- 2001-03-20
Diffraction Radiation
Monochromator Protocol
CuKa SINGLE WAVELENGTH
CuKa SINGLE WAVELENGTH
graphite 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_angle_deg 1.55
c_bond_d 0.012
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building
SCALEPACK data reduction
DENZO data collection