3N5G

Crystal Structure of histidine-tagged human thymidylate synthase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.329330% saturated Ammonium Sulfate + 20mM BME + 0.1M TRIS pH8.3, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K
Crystal Properties
Matthews coefficientSolvent content
2.9658.51

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 96.07α = 90
b = 96.07β = 90
c = 83.2γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102008-04-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-10.934ESRFID14-1

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
12.2741.61000.070.072610.820905239.8
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)
12.272.391000.3510.3517.1112988

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1YPV2.2741.62090519806106999.980.168080.166220.20149RANDOM43.509
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]
0.010.01-0.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.775
r_dihedral_angle_3_deg17.367
r_dihedral_angle_4_deg13.036
r_dihedral_angle_1_deg6.46
r_scangle_it5.367
r_scbond_it3.503
r_mcangle_it2.184
r_angle_refined_deg1.899
r_mcbond_it1.15
r_chiral_restr0.144
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.775
r_dihedral_angle_3_deg17.367
r_dihedral_angle_4_deg13.036
r_dihedral_angle_1_deg6.46
r_scangle_it5.367
r_scbond_it3.503
r_mcangle_it2.184
r_angle_refined_deg1.899
r_mcbond_it1.15
r_chiral_restr0.144
r_bond_refined_d0.024
r_gen_planes_refined0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2140
Nucleic Acid Atoms
Solvent Atoms149
Heterogen Atoms15

Software

Software
Software NamePurpose
MOLREPphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling