1INL

Crystal Structure of Spermidine Synthase from Thermotoga Maritima


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.6300PEG 4000, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 300K
Crystal Properties
Matthews coefficientSolvent content
2.4750.26

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 132.436α = 90
b = 197.812β = 90
c = 51.627γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDSBC-2Double crystal monochromator Si-1112001-03-28MMAD
21x-ray100CCDSBC-2Double crystal monochromator Si-1112001-03-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.97925, 0.97938, 0.99187APS19-ID
2SYNCHROTRONAPS BEAMLINE 19-ID0.97941APS19-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
1,21.55095.10.087234217343207448-316
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.51.5581.40.2442

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)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 DIFFRACTIONMADTHROUGHOUT1.548.12072472072471017495.20.1990.1990.1990.213RANDOM19
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]
-1.22-1.342.56
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.6
c_angle_deg1.2
c_improper_angle_d1.07
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9367
Nucleic Acid Atoms
Solvent Atoms867
Heterogen Atoms

Software

Software
Software NamePurpose
d*TREKdata scaling
HKL-2000data reduction
SnBphasing
SOLVEphasing
DMmodel building
CNSrefinement
d*TREKdata reduction
HKL-2000data scaling
DMphasing