POWDER DIFFRACTION Experimental Data


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Precipitation
pH 4.8
Temperature 296.0
Details rapid precipitation from 0.5M NACL IN PH 5.0 0.05M KHPHTHALATE/NAOH BUFFER, at 296K, pH 4.8

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.57 α = 90
b = 78.57 β = 90
c = 38.51 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 296
Diffraction Detector
Detector Diffraction Type Details Collection Date
SCINTILLATOR -- 2MM X 8MM BEAM 2000-10-23
Diffraction Radiation
Monochromator Protocol
DOUBLE SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X3B1 0.700030 NSLS X3B1

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
2.87 40.03 100.0 -- -- -- -- 3112 3112 -- -- --

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 2.87 40.03 -- -- 3112 3112 -- 100.0 -- -- -- -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Overall fixed
Mean Isotropic B 23.7
RMS Deviations
Key Refinement Restraint Deviation
o_bond_d 0.027
o_angle_deg 1.71
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
PROCESS data reduction
GSAS refinement
PROCESS data scaling