X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.6
Temperature 100.0
Details 20% iPr, 20% PEG 4000, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 100K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 90.88 α = 90
b = 114.59 β = 90
c = 38.49 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 mirrors 2001-12-08
Diffraction Radiation
Monochromator Protocol
beam collimation 100 x 100 um monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 0.933 ESRF ID14-2

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
2.5 19.69 98.6 0.107 0.122 -- 5.3 -- 14343 -- -- 32.1
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)
2.5 -- 98.6 -- -- -- -- --

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 2.5 19.69 -- 0.0 -- 14343 1435 98.6 -- 0.243 0.243 0.267 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 2.5 2.66 -- 237 2129 0.343 0.347 0.023 99.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 46.6
Anisotropic B[1][1] -7.88
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 17.72
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -9.83
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.72
c_mcangle_it 3.09
c_dihedral_angle_d 20.9
c_scbond_it 2.75
c_scangle_it 4.08
c_improper_angle_d 0.81
c_bond_d 0.007
c_angle_deg 1.3
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.37
Luzzati Sigma A (R-Free Set) 0.47
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1858
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 49

Software

Software
Software Name Purpose
XDS data scaling
XDS data reduction
SHARP phasing
CNS refinement version: 1.1