X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help


Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.15
Temperature 295.0
Details NH4OAc, NaCitrate, PEG 4000, pH 6.15, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 134.95 α = 90
b = 134.95 β = 90
c = 224.69 γ = 120
Space Group P 62


Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRANDEIS - B1.2 double-crystal monochromator Si(111), beam focused by a toroidal mirror 1998-06-08
Diffraction Radiation
Monochromator Protocol
double-crystal monochromator Si(111), beam focused by a toroidal mirror 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
2.1 99 92.2 0.122 -- -- 3.7 -- 125211 -- 2.0 10.7
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)
2.1 2.18 60.4 0.527 -- 2.0 1.7 8168


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 2.2 43.17 -- 0.0 -- 103565 10332 88.4 0.2 0.2 0.2 0.234 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 2.2 2.34 -- 1399 12784 0.253 0.279 0.007 72.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 21.5
Anisotropic B[1][1] 1.98
Anisotropic B[1][2] 1.31
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.98
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.96
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.9
c_bond_d 0.006
c_angle_deg 1.3
c_dihedral_angle_d 24.1
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10708
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 1157


Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.1 Structure Refinement
Software Name Purpose
CNS version: 1.1 refinement
CNS model building
SCALEPACK data reduction
DENZO data collection