X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 50MM HEPES, 10MM MGCL2, 150MM NACL, 0.8 MM EU(NO3)3, 390MM (NH4)2SO4, 23% PEG400, pH 7.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 143.33 α = 90
b = 143.33 β = 90
c = 60.36 γ = 90
Symmetry
Space Group P 42 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-11-15
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 1.7757,1.7753,1.033,0.9326 ESRF ID14-2

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
4 50 90.3 -- 0.059 -- 2.9 -- 5053 -- -- 211.4
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)
4.0 4.1 59.6 -- 0.541 1.5 1.9 --

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
MAD 4.0 37.46 -- 0.0 -- 5448 -- 96.2 -- 0.388 0.388 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 50.0
Anisotropic B[1][1] -6.33141
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -6.33141
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 12.6628
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 0.0
c_scbond_it 0.0
c_mcangle_it 0.0
c_mcbond_it 0.0
c_improper_angle_d 0.44
c_bond_d 0.006
c_angle_deg 1.7
c_dihedral_angle_d 22.1
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 147
Nucleic Acid Atoms 86
Heterogen Atoms 2
Solvent Atoms 0

Software

Computing
Computing Package Purpose
HKL, MOSFLM V. 6.0 Data Reduction (intensity integration)
HKL, CCP4 (SCALA) Data Reduction (data scaling)
SHARP, SOLOMON Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
SOLOMON model building
SHARP model building