3KI9

Crystal structure of Staphylococcus aureus metallopeptidase (Sapep/DapE) in the Mn2+ bound form


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1Microbatch method under oil6.82930.2M Megnesium Acetate tetrahydrate, 0.1M Sodium Cacodylate pH 6.8, 22.0% Polyethylene glycol 8000, Microbatch method under oil, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.9858.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 158.15α = 90
b = 158.15β = 90
c = 158.15γ = 90
Symmetry
Space GroupI 2 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU2009-07-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEOTHER1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
12.9501000.1080.11514.27.9147582269.9
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.93.061000.5630.6043.67.82141

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 REPLACEMENTTHROUGHOUTPDB ENTRY 3KHX, independent domains2.928.881399874599.990.204920.202120.2626RANDOM42.555
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
r_dihedral_angle_2_deg39.888
r_dihedral_angle_4_deg20.69
r_dihedral_angle_3_deg15.345
r_dihedral_angle_1_deg4.845
r_scangle_it1.232
r_angle_refined_deg0.937
r_scbond_it0.695
r_mcangle_it0.577
r_mcbond_it0.304
r_chiral_restr0.065
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.888
r_dihedral_angle_4_deg20.69
r_dihedral_angle_3_deg15.345
r_dihedral_angle_1_deg4.845
r_scangle_it1.232
r_angle_refined_deg0.937
r_scbond_it0.695
r_mcangle_it0.577
r_mcbond_it0.304
r_chiral_restr0.065
r_bond_refined_d0.005
r_gen_planes_refined0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3662
Nucleic Acid Atoms
Solvent Atoms26
Heterogen Atoms7

Software

Software
Software NamePurpose
MAR345dtbdata collection
PHASERphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling