X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.2
Temperature 291.0
Details Citrate, PEG 4K, NAD, alpha-ketoglutarate, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.49 α = 90
b = 70.84 β = 95.39
c = 149.47 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ANL-ECT -- 2001-03-23
Diffraction Radiation
Monochromator Protocol
Rosenbaum-Rock double-crystal monochromator MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-BM 0.97934, 0.97951, 0.95373 APS 19-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
2.09 40 95.9 0.078 0.063 -- -- 172809 104640 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)
2.07 2.15 95.6 0.407 0.436 2.0 3.0 3426

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 2.09 40.0 0.0 0.0 -- 104630 17250 95.9 0.22 0.22 0.22 0.26 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model anisotropic
Anisotropic B[1][1] -1.615
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -5.052
Anisotropic B[2][2] -1.069
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.684
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.314
c_mcbond_it 1.589
c_scbond_it 2.312
c_mcangle_it 2.609
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11663
Nucleic Acid Atoms 0
Heterogen Atoms 176
Solvent Atoms 463

Software

Software
Software Name Purpose
HKL-2000 data collection
SCALEPACK data scaling
SOLVE phasing
DM model building
CNS refinement
HKL-2000 data reduction
DM phasing
CNS phasing