1EQV

SIMPLIFICATION OF A PROTEIN LOOP IN STAPHYLOCOCCAL NUCLEASE


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1SMALL TUBES8.1529310.5 mM potassium phosphate, MPD, pH 8.15, SMALL TUBES, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.3146.68

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 47.39α = 90
b = 47.39β = 90
c = 62.75γ = 90
Symmetry
Space GroupP 41

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray278IMAGE PLATEMACSCIENCE1994-12-01MSINGLE WAVELENGTH
21278AREA DETECTORSDMS1994-12-02
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU300

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
11.94686.10.0749988860026.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.942.06701170

Refinement

Statistics
Diffraction IDStructure Solution 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-FreeMean Isotropic B
X-RAY DIFFRACTION1.9469988860086.10.1920.1920.192
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]
RMS Deviations
KeyRefinement Restraint Deviation
x_angle_d24.2
x_angle_deg1.6
x_improper_angle_d1.41
x_bond_d0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1072
Nucleic Acid Atoms
Solvent Atoms38
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
X-PLORmodel building
X-PLORrefinement
X-PLORphasing