X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 1.8 M AMMONIUM SULFATE PH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 113.17 α = 90
b = 72.54 β = 90
c = 49.25 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XUONG-HAMLIN MULTIWIRE -- 1989
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
2.65 -- 92.0 0.047 -- -- -- -- 11373 -- 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
MOLECULAR REPLACEMENT 2.65 10.0 -- 2.0 -- 8684 -- 71.0 -- 0.2 0.19 0.34 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.5
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 29.7
p_staggered_tor 24.6
p_planar_tor 2.3
p_xyhbond_nbd 0.28
p_multtor_nbd 0.31
p_bond_d 0.014
p_angle_d 0.039
p_planar_d 0.047
p_plane_restr 0.013
p_chiral_restr 0.169
p_singtor_nbd 0.21
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3190
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 124

Software

Computing
Computing Package Purpose
LARRY WISEMAN'S FOURIER-BESSEL Data Reduction (intensity integration)
SCALING Data Reduction (data scaling)
X-PLOR Structure Solution
PROLSQ, X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement
PROLSQ refinement
X-PLOR model building
SCALING data reduction
LARRY version: WISEMAN'S FOURIER-BESSEL data collection