2A9O

Crystal structures of an activated YycF homologue, the essential response regulator from S.pneumoniae in complex with BeF3 and the effect of pH on BeF3 binding, possible phosphate in the active site


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROPVAPOR DIFFUSION, SITTING DROP
Crystal Properties
Matthews coefficientSolvent content
2.448.65

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 74.563α = 90
b = 93.324β = 90
c = 37.456γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2003-07-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONELETTRA BEAMLINE 5.2R1.0ELETTRA5.2R

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.6558.221479279596.530.1950.194590.192480.20.235930.24RANDOM23.741
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]
2.98-1.87-1.11
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.527
r_dihedral_angle_4_deg18.714
r_dihedral_angle_3_deg16.282
r_sphericity_free10.618
r_dihedral_angle_1_deg6.487
r_scangle_it5.094
r_sphericity_bonded4.572
r_scbond_it3.751
r_mcangle_it2.406
r_rigid_bond_restr2.395
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms948
Nucleic Acid Atoms
Solvent Atoms71
Heterogen Atoms5

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
CCP4data scaling