X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 300.0
Details 0.1 M Tris, 0.2 M sodium acetate, 30% PEG 5000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 88.72 α = 90
b = 88.72 β = 90
c = 42.42 γ = 90
Symmetry
Space Group I 4

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD APS-1 sagittal focusing monochromator 1998-08-23
Diffraction Radiation
Monochromator Protocol
sagittally focused Si(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.9464,0.9793,0.9794,1.0332 APS 19-ID

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
1.8 10 97.4 0.034 -- -- 3.33 15124 15124 0.0 0.0 25.02
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)
1.8 1.88 79.6 0.318 -- 2.5 2.8 --

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
MAD 1.8 10.0 0.0 0.0 15124 15124 747 -- 0.218 0.218 0.218 0.299 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 1.8 1.88 1519 70 1519 0.299 0.318 -- 79.6
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -2.531
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.531
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.042
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.019
c_angle_deg 1.4
c_dihedral_angle_d 16.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1418
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 117

Software

Computing
Computing Package Purpose
DTCOLLECT Data Reduction (intensity integration)
D*TREK Data Reduction (data scaling)
SOLVE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
DTREK data reduction
SOLVE model building
DTCOLLECT data collection