X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details 5 M NH4NO3 IN 20 MM NA ACETATE (PH4.5)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.21 α = 90
b = 61.19 β = 90
c = 32.99 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR ENRAF-NONIUS FAST -- --
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR571 -- -- --

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
1.61 14.5 86.6 0.056 -- -- 3.1 -- 13422 -- 0.0 --

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
MOLECULAR REPLACEMENT 1.8 8.0 -- 3.0 -- 10886 -- -- -- 0.174 0.174 0.245 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.04
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.341
x_bond_d 0.01
x_angle_deg 1.483
x_dihedral_angle_d 24.34
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1020
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 76

Software

Computing
Computing Package Purpose
MADNES Data Reduction (intensity integration)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building
MADNES data collection