X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details 4MG/ML PROTEIN IN 4MM PHOSPHATE, 25MM NAHCO3 PLUS 20% PEG 4000, 0.2M KCL, 0.4M IMIDAZOLE/MALATE BUFFER PH7.7, pH 7.40

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 148.13 α = 90
b = 148.13 β = 90
c = 115.84 γ = 120
Symmetry
Space Group P 32

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRRORS 2001-04-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
1.6 30 100.0 0.08 -- -- 8.4 -- 406392 -- -- 28.5
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)
1.6 1.63 100.0 0.584 -- 1.8 5.8 --

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
MOLECULAR REPLACEMENT 1.65 30.0 -- 0.0 -- 341561 23837 100.0 -- 0.1642 0.1642 0.2624 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 31.2
Anisotropic B[1][1] -3.474
Anisotropic B[1][2] -3.028
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -3.474
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.949
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.006
c_angle_deg 1.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 21393
Nucleic Acid Atoms 0
Heterogen Atoms 236
Solvent Atoms 1976

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing
CNS phasing
CNS refinement version: 1.0