X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.7
Details 1:1 PROTEIN(5MG/ML):WELL WELL SOLUTION: 10% PEG 8000, 0.1M MES, 2 MM MNCL2, pH 6.70

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 110 α = 90
b = 110 β = 90
c = 159.3 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 SBC -- 1999-09-15
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.97923, 0.97939, 0.99988, 0.92873 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
2.5 50 88.0 0.9 -- -- 6.5 -- 66000 -- -- --
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)
2.5 2.6 15.0 0.24 -- 1.4 -- --

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 2.5 50.0 -- 0.0 -- 65827 3339 88.0 -- 0.28 0.28 0.316 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 45.0
Anisotropic B[1][1] -10.2
Anisotropic B[1][2] -10.4
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -10.2
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 20.5
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 17.0
c_scbond_it 16.0
c_mcangle_it 12.0
c_mcbond_it 11.0
c_bond_d 0.016
c_angle_deg 2.1
Coordinate Error
Parameter Value
Luzzati Resolution Cutoff (Low) 50.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10530
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 0

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHAKE-N-BAKE, SHARP Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
SHARP model building
SHAKE-N-BAKE model building