X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Details 10MG/ML PROTEIN IN 0.1M TRIS-CL PH 7.5 MIX 2 MICROLITER OF PROTEIN SOLUTION WITH 2 MICROLITER OF WELL SOLUTION IN A HANGING DROP EXPERIMENT. THE WELL CONTAINS 0.1M NA-ACETATE PH 4.0, 12% PEG 35000, 0.3M CACL2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 86.2 α = 90
b = 106.84 β = 99.42
c = 101.39 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-01-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, Hamburg X11

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
2.37 20 98.9 0.083 -- -- 4.94 -- 73996 -- -- 20.4
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)
2.37 2.45 95.1 0.214 -- 4.915 4.14 --

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 2.37 20.0 -- 0.0 -- 73042 3683 98.8 -- 0.1772 0.1772 0.2323 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 2.37 2.52 -- 565 11242 0.204 0.279 0.012 96.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 21.6
Anisotropic B[1][1] -3.94
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -5.79
Anisotropic B[2][2] 0.71
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.23
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.007
c_mcbond_it 1.164
c_scbond_it 1.796
c_angle_deg 1.5
c_dihedral_angle_d 22.3
c_improper_angle_d 0.86
c_mcangle_it 1.956
c_scangle_it 2.681
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.19
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.31
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 14846
Nucleic Acid Atoms 0
Heterogen Atoms 144
Solvent Atoms 1094

Software

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