X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 30% PEG 8000, 0.1 M ZINC ACETATE PH 8.0, 20 OC, HANGING DROP VAPOUR DIFFUSION

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 114.75 α = 90
b = 51.95 β = 118.57
c = 65 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2002-02-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF -- ESRF --

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
2.6 50 99.5 0.119 -- -- 2.0 -- 10480 -- -- 24.1
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)
2.6 2.66 99.6 0.331 -- -- -- --

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
SIRAS 2.6 28.66 -- 0.0 -- 10484 553 99.8 -- 0.226 0.226 0.287 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 2.6 2.76 -- 100 1608 0.314 0.396 0.04 99.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 45.6
Anisotropic B[1][1] -7.22
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.39
Anisotropic B[2][2] 28.45
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -21.23
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.02
c_scbond_it 1.97
c_mcangle_it 2.49
c_mcbond_it 1.45
c_improper_angle_d 0.8
c_bond_d 0.008
c_angle_deg 1.3
c_dihedral_angle_d 22.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.33
Luzzati Sigma A (Observed) 0.4
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.47
Luzzati Sigma A (R-Free Set) 0.48
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2743
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 24

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement