X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help


Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 277.0
Details ammonium sulfate, PEG 400, sodium acetate, Hepes-NaOH, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 100.95 α = 90
b = 100.95 β = 90
c = 181.2 γ = 90
Space Group P 43 21 2


Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV Monocapillary 1999-11-15
Diffraction Radiation
Monochromator Protocol
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
2.7 100 99.9 0.117 -- -- 6.16 164280 26752 0.0 0.0 --
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)
2.7 6.0 99.9 0.421 -- -- -- --


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 2.7 15.0 0.0 0.0 26292 23701 2591 -- -- -- 0.189 0.228 Random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.3
c_angle_d 0.01
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4566
Nucleic Acid Atoms 0
Heterogen Atoms 125
Solvent Atoms 220


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