X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 2.3 M AMMONIUM SULFATE, 50MM POTASSIUM PHOSPHATE, PH 7.0, AND CRYOPROTECTANT 15% GLYCEROL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 106.5 α = 90
b = 60.9 β = 111.9
c = 100.1 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1998-12-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, Hamburg BW7B

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
1.59 25 97.8 -- 0.081 -- 3.8 -- 156509 -- -3.0 16.6
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)
1.59 1.65 96.7 -- 0.145 5.2 2.2 --

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 1.59 25.0 -- 2.0 -- 156509 6273 97.8 -- 0.192 0.192 0.208 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 1.59 1.62 -- 301 7201 0.188 0.23 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.1
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.6
x_bond_d 0.007
x_improper_angle_d 1.3
x_dihedral_angle_d 25.0
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8357
Nucleic Acid Atoms 0
Heterogen Atoms 200
Solvent Atoms 1343

Software

Software
Software Name Purpose
X-PLOR refinement version: 3.851
DENZO data reduction
SCALEPACK data scaling
CCP4 phasing
X-PLOR phasing
O phasing