4HPJ

Crystal structure of Tryptophan Synthase at 1.45 A resolution in complex with 2-aminophenol quinonoid in the beta site and the F9 inhibitor in the alpha site


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1TJP 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.829850 mM Bicine-CsOH, 10% PEG 8,000, 2 mM Spermine, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.5952.44

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 184.329α = 90
b = 59.716β = 94.68
c = 67.527γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152012-05-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 12.3.11.000ALS12.3.1

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
11.44991.85884.80.09513.17.7109585109585-3
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)
11.451.5362.90.4470.4471.62.611872

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1TJP1.4519.67117892109556551984.550.14880.14880.14660.1893RANDOM19.7331
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]
-0.080.070.13-0.05
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.538
r_sphericity_free26.666
r_dihedral_angle_4_deg16.758
r_dihedral_angle_3_deg12.474
r_sphericity_bonded11.528
r_dihedral_angle_1_deg5.648
r_rigid_bond_restr2.805
r_angle_refined_deg1.453
r_chiral_restr0.097
r_bond_refined_d0.011
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.538
r_sphericity_free26.666
r_dihedral_angle_4_deg16.758
r_dihedral_angle_3_deg12.474
r_sphericity_bonded11.528
r_dihedral_angle_1_deg5.648
r_rigid_bond_restr2.805
r_angle_refined_deg1.453
r_chiral_restr0.097
r_bond_refined_d0.011
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5009
Nucleic Acid Atoms
Solvent Atoms644
Heterogen Atoms99

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection