2VOC

THIOREDOXIN A ACTIVE SITE MUTANTS FORM MIXED DISULFIDE DIMERS THAT RESEMBLE ENZYME-SUBSTRATE REACTION INTERMEDIATE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2TRXPOLYSERINE MODEL OF PDB ENTRY 2TRX

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.80.1 M TRIS PH 7.8, 0.1 M MAGNESIUM CHLORIDE, 4% ACETONITRILE, 35% PEG 4000
Crystal Properties
Matthews coefficientSolvent content
2.1342.35

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 36.765α = 83.33
b = 38.395β = 66.62
c = 41.878γ = 78.08
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHMIRRORS2006-03-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM14ESRFBM14

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
11.55094.50.0715.62.8311472
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)
11.51.5590.10.341.92.4

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPOLYSERINE MODEL OF PDB ENTRY 2TRX1.522.952957715701000.1880.1850.237RANDOM18.18
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]
1.570.06-0.59-0.46-0.97-0.44
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.289
r_dihedral_angle_3_deg14.098
r_dihedral_angle_1_deg6.819
r_scangle_it4.667
r_scbond_it3.088
r_angle_refined_deg2.048
r_mcangle_it1.963
r_mcbond_it1.327
r_nbtor_refined0.317
r_nbd_refined0.259
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.289
r_dihedral_angle_3_deg14.098
r_dihedral_angle_1_deg6.819
r_scangle_it4.667
r_scbond_it3.088
r_angle_refined_deg2.048
r_mcangle_it1.963
r_mcbond_it1.327
r_nbtor_refined0.317
r_nbd_refined0.259
r_xyhbond_nbd_refined0.198
r_symmetry_hbond_refined0.172
r_symmetry_vdw_refined0.164
r_chiral_restr0.135
r_bond_refined_d0.021
r_gen_planes_refined0.011
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1629
Nucleic Acid Atoms
Solvent Atoms254
Heterogen Atoms7

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing