X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.6
Temperature 18.0
Details PEG3350, Malate, KSCN, Isoproponal, Glycerol, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 18K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.06 α = 90
b = 147.58 β = 90
c = 34.88 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 2001-08-24
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
2.65 45 94.6 -- 0.064 -- -- 12874 12874 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)
2.65 2.74 76.6 -- 0.257 -- -- --

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 2.65 45.0 0.0 0.0 12862 12862 906 -- -- -- 0.21 0.255 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.7
c_improper_angle_d 1.88
c_bond_d 0.013
c_dihedral_angle_d 24.8
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.38
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1828
Nucleic Acid Atoms 0
Heterogen Atoms 21
Solvent Atoms 180

Software

Software
Software Name Purpose
CNS refinement
R-AXIS data reduction
SCALEPACK data scaling
CNS phasing