3GRB

Crystal structure of the F87M/L110M mutant of human transthyretin at pH 6.5


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1F41PDB entry 1f41

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5293ZINC ACETATE 0.2 M, SODIUM CITRATE 0.1 M, AMMONIUM SULFATE 2,0M, PH 6.5; CRYSTALS WERE SOAKED IN MOTHER LIQUOR SUPPLEMENTED WITH 10 % GLYCEROL BEFORE FREEZING IN LIQUID NITROGEN, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.2344.94

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 83.8α = 90
b = 62.197β = 89.99
c = 47.347γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2008-09-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLNLS BEAMLINE W01B-MX21.458LNLSW01B-MX2

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
11.7525.4899.40.06321.87.25492326.45
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)
1.751.7999.160.383477876

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-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1f411.7525.4846093288299.470.2060.206260.202930.25961RANDOM30.394
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]
1.060.090.11-1.16
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.092
r_dihedral_angle_3_deg16.933
r_dihedral_angle_4_deg16.783
r_dihedral_angle_1_deg7.191
r_sphericity_free6.984
r_sphericity_bonded4.936
r_scangle_it4.48
r_scbond_it3.016
r_mcangle_it2.352
r_rigid_bond_restr1.849
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.092
r_dihedral_angle_3_deg16.933
r_dihedral_angle_4_deg16.783
r_dihedral_angle_1_deg7.191
r_sphericity_free6.984
r_sphericity_bonded4.936
r_scangle_it4.48
r_scbond_it3.016
r_mcangle_it2.352
r_rigid_bond_restr1.849
r_angle_refined_deg1.679
r_mcbond_it1.427
r_chiral_restr0.124
r_bond_refined_d0.015
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3551
Nucleic Acid Atoms
Solvent Atoms285
Heterogen Atoms78

Software

Software
Software NamePurpose
MAR345dtbdata collection
MOLREPphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling