X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.2
Details HANGING DROP METHOD: THE PROTEIN WAS DISSOLVED IN 10 MM HAC-NAAC BUFFER (PH 4.1) PRECIPITANT AND RESERVOIR SOLUTION WERE 0.5 M NA2SO4 AND 0.1 M SODIUM CACODYLATE-HCL BUFFER CONTAINING 15% (W/V) MGSO4 AND 1.5% (V/V) MPD AT PH 6.2., vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.54 α = 90
b = 58.26 β = 90
c = 67.41 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
-- RIGAKU -- 1996-04-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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
1.93 64 88.0 0.088 -- -- 2.3 -- 14880 -- 1.0 --

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 1.93 8.0 -- 2.0 -- 14596 1484 88.8 -- 0.185 0.185 0.232 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.93 2.02 -- 150 1440 0.225 0.224 0.018 78.7
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.7
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.18
x_bond_d 0.007
x_angle_deg 1.46
x_dihedral_angle_d 26.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1629
Nucleic Acid Atoms 0
Heterogen Atoms 55
Solvent Atoms 174

Software

Computing
Computing Package Purpose
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement