X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 277.0
Details PEG6000, Tris-HCl, DTT, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 102.23 α = 90
b = 38.67 β = 90
c = 66.6 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.9792, 0.9791, 0.9464 APS 19-ID

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
1.7 30 -- -- -- -- -- -- 29713 -- -- 14.4

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
MAD 1.7 27.98 -- 0.0 -- 29506 2713 97.9 0.221 0.2 0.194 0.217 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 1.7 1.81 -- 415 8198 0.22 0.254 0.012 92.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 21.6
Anisotropic B[1][1] 2.08
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.35
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.73
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.11
c_scbond_it 2.1
c_mcangle_it 2.09
c_mcbond_it 1.31
c_improper_angle_d 0.9
c_bond_d 0.005
c_angle_deg 1.2
c_dihedral_angle_d 24.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.09
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.12
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1834
Nucleic Acid Atoms 0
Heterogen Atoms 27
Solvent Atoms 212

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SOLVE Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement
Solve model building
DENZO data collection