2YW6

Structural studies of N terminal deletion mutant of Dps from Mycobacterium smegmatis


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1Microbath under oil8293protein buffer in 50mM Tris-HCl (pH8.0), 0.2M Calcium chloride, 0.1M HEPES-Na pH7.5, 28% polyethelene glycol 400, Microbath under oil, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
1.9336.12

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 87.443α = 90
b = 87.443β = 90
c = 212.537γ = 120
Symmetry
Space GroupP 62 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 300 mm plate2005-10-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.5418

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
12.533094.40.09828171593645.1
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)
12.532.6988.30.4973.831411

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1VEI2.5328.621589777694.40.2290.2290.246RANDOM46.6
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]
-1.140.583.78-2.64
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d19
c_scangle_it6.78
c_mcangle_it5.46
c_scbond_it4.12
c_mcbond_it3.31
c_angle_deg1.2
c_improper_angle_d0.77
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3555
Nucleic Acid Atoms
Solvent Atoms185
Heterogen Atoms

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data collection
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing