X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6
Temperature 277.0
Details 2-Methyl-2,4-Pentanediol, potassium phosphate, pH 6.0, vapor diffusion, sitting drop, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 106.68 α = 90
b = 75.34 β = 90
c = 51.3 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 116
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV mirrors 2000-01-31
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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
1.9 50 -- 0.088 -- -- 9.5 315272 33299 2.0 2.0 --
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)
1.9 1.93 99.5 0.347 0.396 4.19691 -- 1622

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 1.9 50.0 2.0 0.0 33299 33299 1154 100.0 -- -- 0.1582 0.1991 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 1.9 1.97 2856 131 -- 0.2175 0.2385 -- --
X Ray Diffraction 1.97 2.05 2887 172 -- 0.1943 0.2428 -- --
X Ray Diffraction 2.05 2.14 2991 159 -- 0.1181 0.2199 -- --
X Ray Diffraction 2.14 2.25 3000 164 -- 0.1736 0.2415 -- --
X Ray Diffraction 3.25 4.09 3161 184 -- 0.1342 0.1663 -- --
X Ray Diffraction 4.09 50.0 3291 175 -- 0.1469 0.186 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.005127
o_angle_deg 2.25233
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Luzzati Sigma A (Observed) 0.16
Luzzati Resolution Cutoff (Low) 5.0
Luzzati Sigma A (R-Free Set) 0.22
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2393
Nucleic Acid Atoms 0
Heterogen Atoms 44
Solvent Atoms 730

Software

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