X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 277.0
Details Ammonium sulfate, CHAPS, VAPOR DIFFUSION, HANGING DROP at pH 5.5 at 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 140.1 α = 90
b = 148.5 β = 90
c = 91.4 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 220
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.9800 ESRF ID14-4

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
2.6 20 100.0 -- -- -- -- -- 57370 -- -- 16.8

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 2.6 19.89 -- 0.0 -- 57370 5828 96.9 -- 0.218 0.218 0.262 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 2.6 2.76 -- 883 8098 0.263 0.309 0.01 92.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 35.7
Anisotropic B[1][1] -7.5
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 7.28
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.22
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 1.36
c_dihedral_angle_d 24.1
c_angle_deg 2.2
c_improper_angle_d 1.57
c_mcangle_it 1.78
c_mcbond_it 1.01
c_scangle_it 2.17
c_bond_d 0.018
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.31
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.36
Luzzati Sigma A (R-Free Set) 0.38
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7990
Nucleic Acid Atoms 0
Heterogen Atoms 646
Solvent Atoms 2136

Software

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