X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 20% MPD, 20% PEG 6000, 1% GLYCEROL, 100 MM SODIUM CITRATE, PH 5.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 45.74 α = 90
b = 116.39 β = 90
c = 169.34 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-04
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, Hamburg X11

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
3.2 28 86.2 -- 0.097 -- 7.4 -- 13463 -- 2.0 29.7
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)
2.31 3.2 88.6 -- 0.259 1.9 -- --

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 3.2 28.0 -- -- -- 13463 1376 86.3 -- 0.251 0.251 0.305 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 3.2 3.31 -- 152 1161 0.305 0.377 -- 87.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUPED, UNRESTRAINED
Mean Isotropic B 21.8
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.1
x_bond_d 0.006
x_angle_deg 1.2
x_dihedral_angle_d 26.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6340
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
X-PLOR phasing version: 3.1