X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 25 MM HEPES PH7.0, 75 MM NACL, 15% PEG 8000, 50 MM SODIUM CACODYLATE PH 6.5, 75 MM AMMONIUM SULPHATE AND 10% GLYCEROL PROTEIN 2.5 MG/ML

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 102.81 α = 90
b = 102.81 β = 90
c = 64.29 γ = 120
Symmetry
Space Group P 61

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2000-02-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- 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
2.75 50 99.0 0.07 -- -- 4.9 -- 10084 -- -- 105.0
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)
2.75 2.9 100.0 0.384 -- 2.0 5.0 --

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
MOLECULAR REPLACEMENT 2.8 24.7 -- 0.0 -- 9535 923 98.7 -- 0.2873 0.2873 0.3561 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Anisotropic B[1][1] -15.19
Anisotropic B[1][2] -6.172
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -15.19
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 30.38
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.008265
c_scbond_it 2.325
c_scangle_it 3.963
c_mcangle_it 2.381
c_mcbond_it 1.372
c_angle_deg 1.30641
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1092
Nucleic Acid Atoms 498
Heterogen Atoms 1
Solvent Atoms 81

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
AMORE model building