X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Details pH 4.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.74 α = 90
b = 49.74 β = 90
c = 36.46 γ = 120
Symmetry
Space Group P 31

Diffraction

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 21.54 100.0 0.069 -- -- 3.6 6799 6795 0.0 0.0 13.1

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 2.0 22.0 -- 0.0 6799 6548 713 96.3 -- -- 0.189 0.235 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 2.0 2.09 766 87 679 0.235 0.232 0.025 91.5
X Ray Diffraction 2.09 2.2 822 87 735 0.203 0.2 0.021 94.8
X Ray Diffraction 2.2 2.34 753 79 674 0.234 0.238 0.027 90.9
X Ray Diffraction 2.34 2.52 847 94 753 0.203 0.203 0.021 97.9
X Ray Diffraction 2.52 2.77 838 92 746 0.21 0.211 0.022 97.8
X Ray Diffraction 2.77 3.17 825 90 735 0.205 0.206 0.022 98.7
X Ray Diffraction 3.17 3.99 848 98 750 0.16 0.165 0.017 99.1
X Ray Diffraction 3.99 21.54 849 86 763 0.165 0.164 0.018 99.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 25.6
Anisotropic B[1][1] 2.53
Anisotropic B[1][2] 3.17
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.53
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.06
RMS Deviations
Key Refinement Restraint Deviation
x_dihedral_angle_d 26.1
x_bond_d 0.016
x_angle_deg 1.9
x_improper_angle_d 1.01
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.17
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.27
Luzzati Sigma A (R-Free Set) 0.21
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 963
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 92

Software

Software
Software Name Purpose
CNS refinement version: 0.5
R-AXIS data reduction
SCALEPACK data scaling
AMoRE phasing