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 = 114.76 α = 90
b = 53.15 β = 117.48
c = 64.17 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 CCD -- 2002-09-15
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
2.2 40 97.2 0.071 -- -- 3.7 -- 16051 -- -- 24.0
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 2.3 92.2 0.335 -- 2.9 3.5 --

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 33.0 -- 0.0 -- 17049 998 96.7 -- 0.207 0.207 0.253 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 -- 154 2537 0.263 0.331 0.027 92.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 30.9
Anisotropic B[1][1] -5.64
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 2.67
Anisotropic B[2][2] 12.86
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.22
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 2.17
c_bond_d 0.013
c_dihedral_angle_d 23.8
c_scangle_it 3.21
c_mcbond_it 1.38
c_improper_angle_d 1.45
c_angle_deg 1.5
c_mcangle_it 2.24
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.25
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.33
Luzzati Sigma A (R-Free Set) 0.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2770
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 143

Software

Software
Software Name Purpose
CNS refinement version: 1.1
MOSFLM data reduction
SCALA data scaling
CNS phasing