3KL9

Crystal structure of PepA from Streptococcus pneumoniae


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICROBATCH6.529333 % PEG 8000, 20mM sodium cacodylate pH 6.5, 50mM ammonium sulfate, microbatch, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.7555.26

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 138.296α = 90
b = 118.344β = 106.35
c = 160.299γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210r2006-06-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE AR-NW12A1.0Photon FactoryAR-NW12A

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
12.75099.90.10411.43.8137138
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)
12.72.899.30.392.43.613508

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 1VHE2.744.43137116689099.140.2030.20.247RANDOM28.134
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]
-0.02-0.010.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.916
r_dihedral_angle_4_deg20.359
r_dihedral_angle_3_deg19.693
r_dihedral_angle_1_deg6.362
r_scangle_it1.484
r_angle_refined_deg1.238
r_scbond_it0.862
r_mcangle_it0.597
r_mcbond_it0.309
r_chiral_restr0.082
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.916
r_dihedral_angle_4_deg20.359
r_dihedral_angle_3_deg19.693
r_dihedral_angle_1_deg6.362
r_scangle_it1.484
r_angle_refined_deg1.238
r_scbond_it0.862
r_mcangle_it0.597
r_mcbond_it0.309
r_chiral_restr0.082
r_bond_refined_d0.008
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms30756
Nucleic Acid Atoms
Solvent Atoms549
Heterogen Atoms24

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
HKL-2000data reduction
MOLREPphasing