2QU7

Crystal structure of a putative transcription regulator from Staphylococcus saprophyticus subsp. saprophyticus


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION4.6294200 mM Sodium acetate pH 4.6, 100mM Tris-HCl pH 8.5, 30% PEG 4000, VAPOR DIFFUSION, temperature 294K
Crystal Properties
Matthews coefficientSolvent content
2.8657.06

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.417α = 90
b = 116.382β = 90
c = 68.201γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2007-07-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 31-ID0.97958APS31-ID

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
12.372.9321000.1580.15811.57.9337973379734.9
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)
2.32.421000.8190.8192.584858

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONTHROUGHOUT2.320337013370117081000.2080.2050.268RANDOM43.925
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]
-0.540.94-0.4
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.208
r_dihedral_angle_4_deg18.628
r_dihedral_angle_3_deg14.558
r_dihedral_angle_1_deg6.212
r_scangle_it3.227
r_scbond_it2.018
r_mcangle_it1.38
r_angle_refined_deg1.318
r_mcbond_it0.823
r_nbtor_refined0.301
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.208
r_dihedral_angle_4_deg18.628
r_dihedral_angle_3_deg14.558
r_dihedral_angle_1_deg6.212
r_scangle_it3.227
r_scbond_it2.018
r_mcangle_it1.38
r_angle_refined_deg1.318
r_mcbond_it0.823
r_nbtor_refined0.301
r_symmetry_vdw_refined0.252
r_symmetry_hbond_refined0.207
r_nbd_refined0.206
r_xyhbond_nbd_refined0.139
r_chiral_restr0.088
r_bond_refined_d0.013
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4323
Nucleic Acid Atoms
Solvent Atoms130
Heterogen Atoms2

Software

Software
Software NamePurpose
SCALAdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
MAR345data collection
MOSFLMdata reduction
SHELXCDphasing
SHELXEmodel building