6DUC

Crystal structure of mutant beta-K167T tryptophan synthase in complex with inhibitor N-(4'-trifluoromethoxybenzenesulfonyl)-2-amino-1-ethylphosphate (F9F) at the alpha-site, cesium ion at the metal coordination site, and 2-aminophenol quinonoid (1D0) at the beta-site


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4HPJPDB entry 4HPJ

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.929750 mM Bicine-Cs, 10-12% PEG3350, 50 mM cesium chloride, 4-8 mM spermine
Crystal Properties
Matthews coefficientSolvent content
2.652.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 184.261α = 90
b = 60.044β = 94.65
c = 67.298γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-FBent cylinders, stripes of Pt, Rh, and clear2018-03-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.9792APS24-ID-C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
11.79191.82798.90.2150.2150.240.0840.9456.686769716.76
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.994.30.5220.5220.6590.2990.7971.14.4

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-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 4HPJ1.79119.7031.3667592351597.790.18770.18530.231530.5544
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4926
Nucleic Acid Atoms
Solvent Atoms553
Heterogen Atoms109

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing
DMphasing
PHENIXrefinement
PDB_EXTRACTdata extraction