3E45

Q138F HincII bound to Noncognate DNA (GTGCAC) and Ca2+


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5290PEG 4000, 150 mM NaCl, 10 mM HEPES pH 7.5, 5 mM CaCl2, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
2.244.04

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.62α = 90
b = 92.2β = 105.19
c = 66.61γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray1002006-06-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-20.913321SSRLBL9-2

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
12.78501000.1055.13.71494714947-3-337.29
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)
2.782.851000.35323.7

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTION2.7844.9851.38149307431000.1840.1790.274random 5%30.254
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]
-6.524-0.199-1.0247.549
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d20.644
f_angle_d1.176
f_chiral_restr0.072
f_bond_d0.008
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3906
Nucleic Acid Atoms568
Solvent Atoms363
Heterogen Atoms3

Software

Software
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
Blu-Icedata collection
MOSFLMdata reduction
SCALAdata scaling
CNSphasing