X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.7
Details AMMONIUM SULFATE, SODIUM CITRATE, ZINC ACETATE, CELSIUM CHLORIDE, PEG200, BETA- MERCAPTOETHANOL, pH 6.70

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.51 α = 90
b = 205.79 β = 90
c = 125.02 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 170
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD OXFORD INSTRUMENTS (PX210) -- 2000-10-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID -- 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
1.4 51.32 90.2 0.087 -- -- 7.4 -- 133179 -- -- 11.7
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)
1.4 1.45 49.2 0.477 -- 1.5 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 1.4 50.0 -- 0.0 -- 133179 6758 89.8 -- 0.19 0.19 0.198 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 1.4 1.45 -- 424 6497 0.309 0.309 0.015 47.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 15.1
Anisotropic B[1][1] -2.93
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.26
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.19
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.86
c_dihedral_angle_d 22.6
c_angle_deg 1.3
c_bond_d 0.004
c_mcangle_it 1.65
c_scbond_it 2.22
c_scangle_it 3.33
c_mcbond_it 1.11
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.16
Luzzati Sigma A (Observed) 0.25
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.17
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3998
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 474

Software

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