X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details CRYSTALLIZATION CONDITIONS: PH 5.0 - 5.5, 3.1 - 3.2 M AMMONIUM SULFATE 0.05 - 0.10 M CACL2, ROOM TEMPERATURE, pH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 28.85 α = 90
b = 60.59 β = 94.97
c = 54.48 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1996-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- SIEMENS -- -- --

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
1.9 15 95.0 0.07 -- -- -- -- 6147 -- -- --

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 1.9 15.0 -- 0.0 -- 6147 -- 95.0 -- -- 0.1768 0.27 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.362
x_bond_d 0.012
x_angle_deg 1.578
x_dihedral_angle_d 21.66
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 810
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 89

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
AUTH version: A. T. BRUNGER model building
XPLOR model building