X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details CRYSTALS GROWN BY HANGING DROP METHOD USING A 1:1 MIXTURE OF 12MG/ML PROTEIN, 400MM NACL, 20% GLYCEROL, 8MM TRIS PH8.0, 0.4MM EDTA AND 100MM TRIS PH8.0, 200MM NACL, 10MM MG(OAC)2, pH 8.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.74 α = 89.97
b = 65.02 β = 103.95
c = 65.47 γ = 90.35
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2001-03-03
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
2.2 30 93.0 0.058 -- -- 1.9 -- 39106 -- -- 31.5
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)
2.2 2.31 92.6 0.15 -- 4.2 1.8 --

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 2.2 28.95 -- 0.0 -- 39105 1859 92.9 -- 0.203 0.203 0.234 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.2 2.34 -- 303 6217 0.373 0.385 0.022 92.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 41.9
Anisotropic B[1][1] 30.5
Anisotropic B[1][2] 0.63
Anisotropic B[1][3] 7.12
Anisotropic B[2][2] -13.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -17.47
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 3.63
c_scbond_it 4.3
c_angle_deg 1.4
c_bond_d 0.01
c_improper_angle_d 0.86
c_mcbond_it 2.56
c_scangle_it 5.71
c_dihedral_angle_d 24.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.55
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.32
Luzzati Sigma A (R-Free Set) 0.54
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4815
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 645

Software

Software
Software Name Purpose
CNS refinement version: 1.0
MOSFLM data reduction
SCALA data scaling
AMoRE phasing