X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 68% SATURATED AMMONIUM SULFATE, 0.5% PEG 1000, 0.3M KCL, 0.1M SODIUM BICARBONATE PH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 76 α = 90
b = 55 β = 90.25
c = 79.2 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS SIEMENS MIRRORS 1996-05
Diffraction Radiation
Monochromator Protocol
SIEMENS MIRRORS --
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
2.3 -- 86.7 0.112 -- -- 2.0 -- 25484 -- -3.0 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.3 2.44 70.0 0.32 -- 2.0 1.3 --

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 2.3 7.0 -- 0.0 -- 23262 2288 79.0 -- 0.19 0.19 0.298 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.0
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.018
x_improper_angle_d 1.4
x_angle_deg 3.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3744
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 181

Software

Software
Software Name Purpose
X-PLOR model building version: 3.8
X-PLOR refinement version: 3.8
XENGEN data reduction
XENGEN data scaling
X-PLOR phasing version: 3.8