X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.8
Temperature 298.0
Details 18% PEG8000, 200 mM NaCl, TRIS, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.46 α = 90
b = 49.33 β = 90
c = 97.54 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 X9B 2001-10-01
Diffraction Radiation
Monochromator Protocol
single crystal Si SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 0.9800 NSLS X9B

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
1.36 24.66 96.5 0.05 0.0362 -- 2.35 55811 55811 0.0 0.0 17.9
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)
1.36 1.5 94.8 0.184 0.158 4.3 1.9 14225

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
direct replacement 1.363 25.0 0.0 0.0 55811 55811 2794 96.5 0.137 0.129 -- 0.19 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model anisotropic
Mean Isotropic B 18.3
RMS Deviations
Key Refinement Restraint Deviation
s_zero_chiral_vol 0.05
s_non_zero_chiral_vol 0.07
s_anti_bump_dis_restr 0.025
s_angle_d 0.029
s_bond_d 0.011
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.12
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2217
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 319

Software

Software
Software Name Purpose
SHELXL-97 refinement
HKL-2000 data reduction
SCALEPACK data scaling