3TSM

Crystal structure of Indole-3-glycerol phosphate synthase from Brucella melitensis


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1PIIPDB entry 1pii

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7290Internal tracking number 223543D9. Crystallant (JCSG D9): 25.5% PEG 4000, 15% glycerol, 170 mM Ammonium Sulfate. Protein: BrabA.17351.a.A1 PS01096 at 63 mg/ml in a buffer consisting of 25 mM HEPES, 300-500 mM NaCl, 2 mM DTT, 0.025% sodium azide, 5% glycerol, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
2.6854.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 71.8α = 90
b = 73.29β = 90
c = 118.94γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152011-09-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 5.0.10.9774ALS5.0.1

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
12.155099.90.10913.577.334823-330.856
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)
12.152.211000.4694.27.4

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 DIFFRACTIONMRTHROUGHOUTPDB entry 1pii2.155034822175199.890.1850.1830.228RANDOM26.438
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]
-0.56-1.141.71
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.019
r_dihedral_angle_4_deg21.075
r_dihedral_angle_3_deg13.068
r_dihedral_angle_1_deg5.195
r_angle_refined_deg1.524
r_angle_other_deg1.166
r_chiral_restr0.08
r_bond_refined_d0.012
r_gen_planes_refined0.007
r_bond_other_d0.004
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.019
r_dihedral_angle_4_deg21.075
r_dihedral_angle_3_deg13.068
r_dihedral_angle_1_deg5.195
r_angle_refined_deg1.524
r_angle_other_deg1.166
r_chiral_restr0.08
r_bond_refined_d0.012
r_gen_planes_refined0.007
r_bond_other_d0.004
r_gen_planes_other0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3905
Nucleic Acid Atoms
Solvent Atoms248
Heterogen Atoms28

Software

Software
Software NamePurpose
XSCALEdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
XDSdata reduction