1Z3P

X-Ray crystal structure of a mutant Ribonuclease S (M13Nva)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1Batch method5.2293ammonium sulfate, cesium chloride, sodium acetate, pH 5.2, Batch method, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.0941.04

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 44.38α = 90
b = 44.38β = 90
c = 97.459γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293IMAGE PLATEMARRESEARCH2003-12-10MSINGLE 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
122097.10.0677.48125787224.4
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)
22.0791.50.195

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB Entry 2RLN214.968125781835798.30.1890.1890.233RANDOM27
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
c_dihedral_angle_d23.7
c_scangle_it3.6
c_mcangle_it2.51
c_scbond_it2.36
c_mcbond_it1.56
c_angle_deg1.2
c_improper_angle_d0.68
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms924
Nucleic Acid Atoms
Solvent Atoms52
Heterogen Atoms10

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data reduction
SCALEPACKdata scaling
CNSphasing