X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8
Details PEG4000, pH 8, VAPOR DIFFUSION, SITTING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 214.47 α = 90
b = 163.92 β = 117.5
c = 147.28 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline

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
2.3 14.96 -- -- -- -- -- 168517 168517 0.0 -- 31.9

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
-- 2.3 14.96 -- -- 199019 168517 4240 84.7 -- -- 0.218 0.249 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 2.3 2.4 17874 448 17426 0.342 0.343 0.016 71.9
X Ray Diffraction 2.4 2.53 18975 454 18521 0.293 0.293 0.014 76.3
X Ray Diffraction 2.53 2.69 19934 507 19427 0.273 0.271 0.012 80.2
X Ray Diffraction 2.69 2.89 20554 491 20063 0.248 0.246 0.011 82.9
X Ray Diffraction 2.89 3.18 21402 549 20853 0.235 0.235 0.01 86.0
X Ray Diffraction 3.18 3.64 22221 532 21689 0.218 0.22 0.01 89.3
X Ray Diffraction 3.64 4.56 23673 639 23034 0.196 0.199 0.008 94.9
X Ray Diffraction 4.56 14.96 23884 620 23264 0.19 0.19 0.008 95.2
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 69.92
Anisotropic B[1][1] -12.03
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -7.27
Anisotropic B[2][2] 6.16
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.87
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.3
x_torsion_impr_deg 1.18
x_bond_d 0.007
x_torsion_deg 23.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.41
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.43
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 17227
Nucleic Acid Atoms 0
Heterogen Atoms 492
Solvent Atoms 321

Software

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