X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Phase Transition
pH 4.5
Temperature 273.0
Details The crystal was created by the dehydration-induced phase transition of a monoclinic crystal obtained from a heavy water solution at pD 4.5, temperature 273K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 26.46 α = 90
b = 58.18 β = 111.33
c = 30.85 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRUKER SMART 6000 Confocal Max-Flux optics 2004-07-30
Diffraction Radiation
Monochromator Protocol
curved mirror SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE MACSCIENCE 1.5418 -- --

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
1.16 12.3 83.6 0.106 -- -- 3.09 30199 25242 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)
1.16 1.2 52.8 0.299 -- -- -- --

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 1.16 12.3 -- 0.0 -- 25218 1261 -- -- 0.098 0.097 0.133 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 1.16 1.22 -- -- -- 0.169 -- -- --
RMS Deviations
Key Refinement Restraint Deviation
s_non_zero_chiral_vol 0.096
s_from_restr_planes 0.03
s_zero_chiral_vol 0.076
s_angle_d 0.027
s_bond_d 0.012
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 16
Solvent Atoms 129

Software

Computing
Computing Package Purpose
SMART V. 6000 Data Reduction (intensity integration)
SAINTPLUS Data Reduction (data scaling)
X-PLOR Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
X-PLOR model building
SaintPLus data reduction
Smart6000 data collection