X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7
Temperature 291.0
Details PEG 8000,Tris HCL, NaFormate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67.32 α = 90
b = 88.19 β = 90
c = 232.78 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 2001-11-15
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
2.6 31.16 -- -- -- -- -- 43383 43383 0.0 0.0 50.8
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)
2.6 2.69 99.7 -- -- -- -- --

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 2.6 20.0 -- 0.0 41214 41214 2169 99.7 -- -- 0.217 0.259 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 2.6 2.72 5301 257 5044 0.316 0.313 0.02 99.4
X Ray Diffraction 2.72 2.86 5351 251 5100 0.298 0.295 0.019 99.6
X Ray Diffraction 2.86 3.04 5359 250 5109 0.271 0.27 0.017 99.7
X Ray Diffraction 3.04 3.27 5368 249 5119 0.255 0.256 0.016 99.8
X Ray Diffraction 3.27 3.6 5374 284 5090 0.246 0.248 0.015 99.7
X Ray Diffraction 3.6 4.12 5438 291 5147 0.208 0.21 0.012 99.8
X Ray Diffraction 4.12 5.17 5482 287 5195 0.178 0.179 0.011 99.7
X Ray Diffraction 5.17 20.0 5628 296 5332 0.185 0.183 0.011 98.9
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 57.73
Anisotropic B[1][1] 2.86
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.32
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.17
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.3
x_torsion_impr_deg 0.8
x_torsion_deg 22.2
x_bond_d 0.007
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.34
Luzzati Sigma A (Observed) 0.38
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.43
Luzzati Sigma A (R-Free Set) 0.51
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8281
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 115

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
CNS phasing