2FN1

Crystal structures of Yersinia enterocolitica salicylate synthase (Irp9) in complex with the reaction products salicylate and pyruvate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.52900.2M magnesium acetate tetrahydrate, 0.1M sodium cacodylate, 20% PEG 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
2.3748.21

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.571α = 90
b = 145.298β = 108.39
c = 58.86γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IVRigaku Max Flux mirrors2005-04-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH3R1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.130940.0490.04920.74.852602494462.52.533.2
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)
2.12.1588.70.2990.2994.73453

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 REPLACEMENTTHROUGHOUTcomposite search probe from 1QDL, 1I7Q and 1I1Q2.127.374690146901251393.620.190910.190910.188030.24516RANDOM33.63
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]
-0.07-0.10.01-0.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.635
r_dihedral_angle_4_deg16.422
r_dihedral_angle_3_deg14.004
r_dihedral_angle_1_deg6.61
r_scangle_it5.39
r_mcangle_it4.154
r_scbond_it4.008
r_mcbond_it3.335
r_angle_refined_deg1.527
r_nbtor_refined0.301
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.635
r_dihedral_angle_4_deg16.422
r_dihedral_angle_3_deg14.004
r_dihedral_angle_1_deg6.61
r_scangle_it5.39
r_mcangle_it4.154
r_scbond_it4.008
r_mcbond_it3.335
r_angle_refined_deg1.527
r_nbtor_refined0.301
r_nbd_refined0.205
r_symmetry_vdw_refined0.176
r_xyhbond_nbd_refined0.165
r_symmetry_hbond_refined0.161
r_chiral_restr0.097
r_metal_ion_refined0.045
r_bond_refined_d0.015
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6241
Nucleic Acid Atoms
Solvent Atoms300
Heterogen Atoms34

Software

Software
Software NamePurpose
REFMACrefinement
CrystalCleardata reduction
SCALEPACKdata scaling
AMoREphasing