X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 298.0
Details 1 M ammonium sulfate, 0.1 M MES, pH 6.0, cryoprotected in 1.8 M lithium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 40.8 α = 90
b = 139.75 β = 90
c = 126.54 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 77
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 225 mm CCD Rosenbaum-rock high-resolution double-crstal SI (111), sagital focusing 2nd crystal, rosenbaum-rock vertical focusing mirror. 2006-12-15
Diffraction Radiation
Monochromator Protocol
SI (111) Rosenbaum-rock double-crystal MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-BM 0.97835, 0.97873, 0.97126 APS 22-BM

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
2.4 50 89.4 -- -- -- 6.1 39344 24509 0.0 0.0 --
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)
2.4 2.49 89.4 -- 0.276 5.4 6.1 --

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 2.4 50.0 -- 0.0 39344 24509 1168 95.2 0.22 0.22 0.22 0.263 Random
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 37.99
Anisotropic B[1][1] 27.273
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -18.87
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -8.403
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.27
c_bond_d 0.007
c_scbond_it 2.176
c_scangle_it 3.398
c_mcangle_it 2.614
c_mcbond_it 1.514
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2272
Nucleic Acid Atoms 0
Heterogen Atoms 50
Solvent Atoms 130

Software

Software
Software Name Purpose
HKL-2000 data collection
SHARP phasing
CNS refinement
HKL-2000 data reduction
HKL-2000 data scaling