2B3U

Human Spermine spermidine acetyltransferase K26R mutant


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6298mmPEG500, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.1442.53

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 74.3α = 90
b = 74.3β = 90
c = 63.3γ = 90
Symmetry
Space GroupP 43

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray99CCDADSC QUANTUM 42003-06-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X26C0.98NSLSX26C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.853099.128155-3-3

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSAD1.8530-3281552675114040.210.210.210.24random
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2681
Nucleic Acid Atoms
Solvent Atoms157
Heterogen Atoms10

Software

Software
Software NamePurpose
HKL-2000data collection
SCALEPACKdata scaling
SOLVEphasing
CNSrefinement
HKL-2000data reduction