X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 298.0
Details PEG 8000, TRIS, TRIMETHYLAMINE HCL, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 110.4 α = 90
b = 144.4 β = 93.6
c = 327.1 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 MARRESEARCH -- 1999-01-07
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 -- SSRL BL9-1

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
2.8 30 98.1 0.07 -- -- 2.8 122846 122846 -- -3.0 --
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)
2.8 2.85 99.8 0.341 -- 3.3 2.9 --

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
MIRAS 2.8 30.0 -- 0.0 -- 118743 11868 94.3 -- 0.231 0.231 0.265 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 2.8 2.98 -- 1876 16473 0.354 0.39 0.009 87.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 66.3
Anisotropic B[1][1] -4.14
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.65
Anisotropic B[2][2] 1.82
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.32
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 9.26
c_scbond_it 7.02
c_mcangle_it 6.9
c_mcbond_it 4.66
c_improper_angle_d 0.86
c_bond_d 0.007
c_angle_deg 1.3
c_dihedral_angle_d 23.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 24255
Nucleic Acid Atoms 0
Heterogen Atoms 51
Solvent Atoms 9

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHARP Structure Solution
CNS 0.5 Structure Refinement
Software
Software Name Purpose
CNS version: 0.5 refinement
SHARP model building
SCALEPACK data reduction
DENZO data collection