X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 0.1 MES, PH 6.5, 12% PEG6000, 16 DEGREES C, 2 DAYS INCUBATION

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.9 α = 90
b = 81.7 β = 90
c = 86.2 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 287
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCHESARCH MIRRORS 1999-09-15
Diffraction Radiation
Monochromator Protocol
-- MAD
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
1.8 50 95.3 0.047 -- -- 5.26 -- 27579 -- -- 9.2
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)
1.8 1.83 84.4 0.108 -- -- -- --

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
MAD 1.8 100.0 -- 0.0 -- 27542 -- 95.3 -- 0.1763 0.1763 0.218 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 1.8 1.88 -- -- 3132 0.2269 0.2315 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 11.0
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 1.067
c_scbond_it 1.246
c_dihedral_angle_d 27.0
c_improper_angle_d 1.18
c_mcbond_it 0.652
c_scangle_it 1.924
c_bond_d 0.006
c_angle_deg 1.526
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2451
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 356

Software

Software
Software Name Purpose
CNS refinement version: 0.9
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing