X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details 3 M NH4NO3 IN 20 MM NA ACETATE (PH4.5)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.95 α = 90
b = 60.97 β = 90
c = 33.16 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
1.66 22.4 89.1 0.033 -- -- 3.4 -- 12639 -- 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 1.66 8.0 -- 3.0 -- 11484 -- -- -- 0.178 0.178 0.202 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 14.59
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.313
x_bond_d 0.008
x_angle_deg 1.498
x_dihedral_angle_d 24.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1025
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 89

Software

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