X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 9
Details 100 MM BIS-TRIS PROPANE PH 9, 12 % PEG 1000, 5 MM COBALTIC HEXAMINE CHLORIDE, 1 MM DTT, 20 MM TRIS, 1 MM EDTA, 0.001 % SODIUM AZIDE, pH 9.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 201.6 α = 90
b = 34.55 β = 99.83
c = 59.26 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI SPHERICAL RH COATED 1996-05-15
Diffraction Radiation
Monochromator Protocol
SAGITALLY FOCUSED SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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
2.15 30 88.0 -- 0.072 -- 8.7 -- 18368 -- 1.5 --
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)
2.15 2.23 88.0 -- 0.22 5.3 7.9 --

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 2.15 6.0 -- -- -- 17217 1714 88.0 -- -- 0.211 0.282 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 2.15 2.22 -- 152 1477 0.282 0.291 0.02 69.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 35.3
Anisotropic B[1][1] -3.68
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -4.44
Anisotropic B[2][2] -0.8
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 9.269
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.22
x_bond_d 0.007
x_angle_deg 1.17
x_dihedral_angle_d 19.9
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati ESD (R-Free Set) 0.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2063
Nucleic Acid Atoms 857
Heterogen Atoms 0
Solvent Atoms 46

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
MLPHARE model building