X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.2
Details 30% PEG6000, 0.2M AMMONIUM ACETATE, 0.1M SODIUM CITRATE, PH 6.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 163.49 α = 90
b = 113.04 β = 90
c = 101.09 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS -- 1998-05-01
Diffraction Radiation
Monochromator Protocol
CARBON SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE MACSCIENCE M18XHF -- -- --

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
2.01 42 90.31 -- 0.102 -- 4.59 -- 113432 -- 1.0 --
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)
2.007 2.079 53.7 -- -- -- -- --

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 2.1 8.0 -- 2.0 -- 84494 -- 78.57 -- 0.1862 0.1862 0.242 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 2.1 2.19 -- 773 6865 0.236 0.288 -- 57.49
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.16
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.442
x_improper_angle_d 0.875
x_bond_d 0.007
x_dihedral_angle_d 25.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 22.0
Luzzati Resolution Cutoff (Low) 4.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 14420
Nucleic Acid Atoms 0
Heterogen Atoms 60
Solvent Atoms 425

Software

Software
Software Name Purpose
SAINT data scaling
SAINT data reduction
X-PLOR model building
X-PLOR refinement version: 3.85
X-PLOR phasing