1B4A

STRUCTURE OF THE ARGININE REPRESSOR FROM BACILLUS STEAROTHERMOPHILUS


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15pH 5
Crystal Properties
Matthew coefficientSolvent content
2.550

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 72.8α = 90
b = 121.9β = 90
c = 227.4γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMIRRORS1997-12-12M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE F2CHESSF2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.53299.70.064185.535454-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.52.641000.20135.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)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 1XXC2.582352844137930.2240.2240.279RANDOM48
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
x_scbond_it4
x_mcbond_it2.5
x_scangle_it2
x_mcangle_it1.5
x_angle_deg1.3
x_improper_angle_d0.635
x_bond_d0.007
x_improper_angle_d_na
x_angle_deg_na
x_bond_d_na
RMS Deviations
KeyRefinement Restraint Deviation
x_scbond_it4
x_mcbond_it2.5
x_scangle_it2
x_mcangle_it1.5
x_angle_deg1.3
x_improper_angle_d0.635
x_bond_d0.007
x_improper_angle_d_na
x_angle_deg_na
x_bond_d_na
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_angle_d_prot
x_angle_deg_prot
x_improper_angle_d_prot
x_angle_d_na
x_angle_d
x_bond_d_prot
x_dihedral_angle_d
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7451
Nucleic Acid Atoms
Solvent Atoms587
Heterogen Atoms

Software

Software
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
MOSFLMdata reduction
CCP4data scaling
X-PLORphasing