X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details 20 mM Sodium acetate, 1.5 M ammonium Sulfate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 100K, pH 4.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.57 α = 90
b = 61.57 β = 90
c = 84.11 γ = 120
Symmetry
Space Group P 61

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- --
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 19.6 96.6 -- 0.056 -- -- -- 14298 -- 2.0 16.4
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 1.97 80.6 -- 0.246 -- -- --

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 19.6 -- 0.0 14280 13408 675 94.0 -- 0.22 0.22 0.264 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 2.02 -- 88 1749 0.273 0.311 0.033 77.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 22.4
Anisotropic B[1][1] 2.92
Anisotropic B[1][2] 0.82
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.54
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.46
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 3.3
c_dihedral_angle_d 26.4
c_improper_angle_d 1.02
c_bond_d 1.261
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.17
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1522
Nucleic Acid Atoms 0
Heterogen Atoms 45
Solvent Atoms 95

Software

Software
Software Name Purpose
CNS refinement version: 1.1
SCALEPACK data scaling
O model building version: V. 7.0