X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help


Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 289.0
Details sodium acetate, cacodylate, DTT, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 127.59 α = 90
b = 127.59 β = 90
c = 112.97 γ = 120
Space Group P 65


Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 Pt-coated toroidal Si mirror for horizontal and vertical focussing 2003-04-09
Diffraction Radiation
Monochromator Protocol
double flat Si crystal monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline

Data Collection

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 96.3 0.054 -- -- 3.5 67110 67110 -- -- --
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 93.7 0.456 -- 2.5 3.1 6514


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 2.0 30.0 -- -- 67110 67110 6807 96.1 -- -- 0.231 0.247 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 2.07 5256 469 -- 0.393 0.394 -- 93.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Anisotropic
Mean Isotropic B 51.9
Anisotropic B[1][1] 6.25
Anisotropic B[1][2] 4.57
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 6.25
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -12.49
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.3
c_bond_d 0.007
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.33
Luzzati Sigma A (Observed) 0.45
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.45
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3707
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 297


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