X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help


Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.7
Temperature 293.0
Details PEG4K, LiSO4, TCEP, Tris-HCl, spermidine, pH 7.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 69.88 α = 90
b = 62.03 β = 104.7
c = 80.97 γ = 90
Space Group P 1 21 1


Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH mirrors 2001-06-20
Diffraction Radiation
Monochromator Protocol
Si (111) crystal MAD
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
2.54 25 98.7 0.087 0.053 -- 3.1 22185 21897 0.0 0.0 55.0
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)
2.54 2.67 94.3 0.288 0.209 1.4 2.3 --


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 combined with MAD 2.55 25.0 -- 0.0 22062 21858 2166 99.1 -- -- 0.251 0.285 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 2.55 2.57 -- 46 385 0.35 0.38 -- 78.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model overall
Mean Isotropic B 40.0
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.3
x_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4210
Nucleic Acid Atoms 1026
Heterogen Atoms 14
Solvent Atoms 54


Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SHAKE-N-BAKE, SOLVE, MOLREP Structure Solution
CNS 1.0 Structure Refinement
Software Name Purpose
CNS version: 1.0 refinement
MOLREP model building
SOLVE model building
SnB model building