X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 9.2
Details 1.6 M AMMONIUM SULFATE 0.1 M TRIS/HCL, PH 9.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121.5 α = 90
b = 121.5 β = 90
c = 61.25 γ = 120
Symmetry
Space Group P 3 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 -- MPG/DESY, HAMBURG BW6

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 20 92.6 0.066 0.066 -- 3.4 -- 32839 -- 1.7 --

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 2.0 20.0 -- 1.7 -- 32839 -- 92.6 -- -- 0.216 0.256 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.7
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.46
x_bond_d 0.011
x_angle_deg 1.89
x_dihedral_angle_d 24.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.25
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2201
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 155

Software

Computing
Computing Package Purpose
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement