X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 277.15
Details 30% (W/V) PEG 4000, 0.2M Magnesium chloride hexahydrate, 0.1M Tris hydrochloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.15K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.21 α = 90
b = 61.81 β = 90
c = 85.84 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
2 103
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC OSMIC BLUE CONFOCAL MIRRORS 2001-10-24
CCD ADSC QUANTUM 4 -- 2002-04-14
Diffraction Radiation
Monochromator Protocol
Bent Ge(111) monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.5418 -- --
SYNCHROTRON APS BEAMLINE 14-BM-C 0.9000 APS 14-BM-C

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
1.56 25.97 95.3 0.077 -- -- -- 30440 28869 -- -3.0 25.5
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)
1.56 1.6 89.9 0.466 -- 4.3 -- --

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 1.56 25.97 -- 3.0 30440 26163 753 -- 0.229 0.197 0.196 0.223 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 1.56 1.66 3068 89 -- 0.222 0.234 0.025 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 30.5
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.006549
c_angle_deg 1.51654
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1713
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 141

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
CNS phasing