X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
Method Backextraction Vapor Diffusion
pH 5.8
Temperature 292.0
Details PEG 6000, KCl, NH4Cl, MgCl2, CdCl2, potassium acetate, Tris-MES, pH 5.8, backextraction, vapor diffusion, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 211.66 α = 90
b = 299.67 β = 90
c = 573.77 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD CUSTOM-MADE -- 2000-04-01
IMAGE PLATE MARRESEARCH -- 2000-02-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID -- APS 19-ID
SYNCHROTRON NSLS BEAMLINE X25 -- NSLS X25

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
2.4 90 95.6 0.086 -- -- 9.1 666819 666819 0.0 -3.0 47.7
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)
2.4 2.5 73.5 0.691 -- -- 6.0 50941

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
-- 2.4 90.0 -- 2.0 666819 577304 5661 82.3 -- -- 0.252 0.261 random
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -5.633
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.633
RMS Deviations
Key Refinement Restraint Deviation
c_torsion_impr_deg 1.6862
c_torsion_deg 28.8193
c_angle_deg 1.19599
c_bond_d 0.006422
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3656
Nucleic Acid Atoms 60612
Heterogen Atoms 7
Solvent Atoms 6

Software

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