7YOK

Crystal Structure of Tetra mutant (D67E, A68P, L98I, A301S) tetra mutant of O-acetyl-L-serine sulfhydrylase from Haemophilus influenzae at 2.8 A


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52780.1M HEPES, 1.3M Sodium Citrate
Crystal Properties
Matthews coefficientSolvent content
2.1442.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 113.043α = 90
b = 113.043β = 90
c = 44.343γ = 90
Symmetry
Space GroupI 41

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate2012-09-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.54179

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)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
12.839.9787.33131.051.16815
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.8022.902112.88

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1Y7L2.79939.97619429487.1540.230.22860.26575.712
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]
-7.107-7.10714.213
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.682
r_lrange_it19.185
r_dihedral_angle_3_deg16.897
r_dihedral_angle_4_deg15.026
r_scangle_it13.127
r_mcangle_it11.922
r_scbond_it9.022
r_mcbond_it7.801
r_dihedral_angle_1_deg6.242
r_angle_refined_deg1.505
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.682
r_lrange_it19.185
r_dihedral_angle_3_deg16.897
r_dihedral_angle_4_deg15.026
r_scangle_it13.127
r_mcangle_it11.922
r_scbond_it9.022
r_mcbond_it7.801
r_dihedral_angle_1_deg6.242
r_angle_refined_deg1.505
r_symmetry_nbd_refined0.318
r_nbtor_refined0.308
r_symmetry_xyhbond_nbd_refined0.243
r_nbd_refined0.219
r_xyhbond_nbd_refined0.14
r_chiral_restr0.115
r_bond_refined_d0.006
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2286
Nucleic Acid Atoms
Solvent Atoms14
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
SCALAdata scaling
PHASERphasing