X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 293.0
Details Sodium Acetate, Ammonium Sulphate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 108.08 α = 90
b = 108.08 β = 90
c = 105.31 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR MARRESEARCH -- 2001-07-07
Diffraction Radiation
Monochromator Protocol
Graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 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
2 30 98.5 -- 0.091 -- 2.8 85622 83669 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)
2.0 2.07 96.1 -- 0.503 -- -- --

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 2.0 30.0 0.0 0.0 28897 28897 1416 -- -- -- 0.192 0.219 --
RMS Deviations
Key Refinement Restraint Deviation
c_angle_d 1.5
c_dihedral_angle_d 23.4
c_bond_d 0.012
c_improper_angle_d 0.95
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3374
Nucleic Acid Atoms 0
Heterogen Atoms 74
Solvent Atoms 175

Software

Software
Software Name Purpose
MAR data collection
SCALEPACK data scaling
CNS refinement
MAR data reduction
CNS phasing