X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Slow Cooling
pH 5.7
Details 0.05M SODIUM CITRATE, 0.007M ZINC ACETATE, 0.06M 4-HYDROXYBENZAMIDE, 1.0M SODIUM CHLORIDE, PH=5.7. CRYSTALS GROWN BY SLOW COOLING., slow cooling

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 80.72 α = 90
b = 80.72 β = 90
c = 37.63 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1994-02-14
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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 80 76.6 0.066 -- -- 8.6 -- 18002 -- 2.0 --

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
-- 1.4 8.0 -- 2.0 -- 13694 -- 76.5 -- -- -- -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.4
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 15.0
p_staggered_tor 14.7
p_planar_tor 3.3
p_xyhbond_nbd 0.249
p_multtor_nbd 0.225
p_bond_d 0.014
p_angle_d 0.034
p_planar_d 0.014
p_mcbond_it 1.94
p_mcangle_it 3.14
p_scbond_it 2.02
p_scangle_it 3.37
p_plane_restr 0.015
p_chiral_restr 0.126
p_singtor_nbd 0.183
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 785
Nucleic Acid Atoms 0
Heterogen Atoms 23
Solvent Atoms 168

Software

Computing
Computing Package Purpose
PROFFT Structure Refinement
Software
Software Name Purpose
PROFFT refinement