3G85

Crystal structure of LacI family transcription regulator from Clostridium acetobutylicum


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.52980.1M Bis-Tris pH 6.5, 28% w/v PEG MME 2000, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.5852.27

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.024α = 90
b = 96.058β = 90
c = 99.976γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315Mirrors2009-02-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X250.9790NSLSX25

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
11.8428.30.08116.311.5269062690632
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)
11.841.9272.30.4032.894.72113

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONSADTHROUGHOUT1.8428.326906144696.330.186230.18390.23035RANDOM31.961
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]
0.02-0.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.228
r_dihedral_angle_4_deg15.401
r_dihedral_angle_3_deg13.324
r_dihedral_angle_1_deg6.227
r_scangle_it4.519
r_scbond_it3.056
r_mcangle_it1.814
r_angle_refined_deg1.474
r_mcbond_it1.257
r_nbtor_refined0.308
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.228
r_dihedral_angle_4_deg15.401
r_dihedral_angle_3_deg13.324
r_dihedral_angle_1_deg6.227
r_scangle_it4.519
r_scbond_it3.056
r_mcangle_it1.814
r_angle_refined_deg1.474
r_mcbond_it1.257
r_nbtor_refined0.308
r_symmetry_vdw_refined0.308
r_symmetry_hbond_refined0.303
r_nbd_refined0.216
r_xyhbond_nbd_refined0.181
r_chiral_restr0.094
r_bond_refined_d0.015
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2111
Nucleic Acid Atoms
Solvent Atoms214
Heterogen Atoms6

Software

Software
Software NamePurpose
CBASSdata collection
SHELXDphasing
SHARPphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling