X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.4
Temperature 293.0
Details 30% w/v PEG 8000, 0.1M sodium cacodylate pH 5.4, 0.2M ammonium sulphate, VAPOR DIFFUSION, HANGING DROP at 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.22 α = 90
b = 96.15 β = 90
c = 182.89 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
CCD ADSC QUANTUM 4 mirrors 2001-06-06
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 0.933 ESRF BM14

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
2.2 49.7 99.8 0.134 0.112 -- 3.2 -- 55517 -- -- 19.232
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)
2.2 2.32 99.9 0.34 0.284 2.6 3.3 8000

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 2.2 49.7 0.0 -- -- 55421 5507 99.5 -- -- 0.175 0.206 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 2.2 2.28 4950 500 -- 0.189 0.218 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 17.17
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.2202
c_dihedral_angle_d 22.1525
c_improper_angle_d 0.7839
c_bond_d 0.0053
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.14
Luzzati ESD (R-Free Set) 0.24
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5488
Nucleic Acid Atoms 0
Heterogen Atoms 175
Solvent Atoms 712

Software

Software
Software Name Purpose
AMoRE phasing
CNS refinement version: 1.0
MOSFLM data reduction
CCP4 data scaling version: (SCALA)