X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
Temperature 298.0
Details 1.9M Sodium chloride, 3% ethanol, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 31.88 α = 90
b = 86.59 β = 104.47
c = 38.96 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH monochromator and mirrors 2000-01-01
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.54179 -- --

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
1.8 23.17 85.6 0.074 -- -- 4.0 16162 16162 0.0 0.0 34.7
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)
1.8 1.91 47.3 0.383 -- 71.3 -- 1235

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 1.8 23.17 0.0 0.0 18972 16162 1619 85.6 0.208 0.208 0.209 0.255 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 1.8 1.91 854 141 1334 0.2824 0.2823 0.024 47.3
X Ray Diffraction 1.88 1.98 1844 178 1666 0.274 0.271 0.02 77.7
X Ray Diffraction 1.98 2.11 2047 200 1847 0.239 0.24 0.017 87.1
X Ray Diffraction 2.11 2.27 2202 219 1983 0.209 0.211 0.014 92.8
X Ray Diffraction 2.27 2.5 2246 216 2030 0.211 0.214 0.015 95.7
X Ray Diffraction 2.5 2.86 2340 220 2120 0.206 0.205 0.014 98.2
X Ray Diffraction 2.86 3.6 2353 279 2074 0.215 0.217 0.013 99.1
X Ray Diffraction 3.6 43.3 2276 219 2057 0.21 0.21 0.014 94.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 37.8
Anisotropic B[1][1] 3.62
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.5
Anisotropic B[2][2] -0.88
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.74
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.77
c_dihedral_angle_d 22.06
c_angle_deg 1.27
c_bond_d 0.007
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Sigma A (Observed) 0.14
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.27
Luzzati Sigma A (R-Free Set) 0.12
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1738
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 37

Software

Computing
Computing Package Purpose
MAR Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
Crystallography & NMR System version: 1.0 refinement