Methionine synthase from Thermus thermophilus HB8, Folate and Cobalamin Domains, Pre-Catalytic Conformation (Pre-Fol-on)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 8SSCFol and Cob domains used as search models

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.5277.1525% PEG 3350, 0.1 M Tris (pH 8.5), and 0.2 M ammonium acetate
Crystal Properties
Matthews coefficientSolvent content
4.2170.82

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 187.769α = 90
b = 187.769β = 90
c = 325.547γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 300 mmK-B pair of biomorph mirrors for vertical and horizontal focusing2015-12-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 23-ID-B1.0332APS23-ID-B

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)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
13.34325.5599.90.240.2560.0870.9866.78.385017
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.343.498.12.1942.3330.7870.4288.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3.34163.1880679422699.890.177830.175620.17780.219370.2175RANDOM118.477
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]
0.150.15-0.3
RMS Deviations
KeyRefinement Restraint Deviation
r_long_range_B_refined23.468
r_long_range_B_other23.468
r_scangle_other20.114
r_mcangle_it18.162
r_mcangle_other18.162
r_scbond_it14.413
r_scbond_other14.413
r_dihedral_angle_3_deg14.207
r_mcbond_it12.946
r_mcbond_other12.946
RMS Deviations
KeyRefinement Restraint Deviation
r_long_range_B_refined23.468
r_long_range_B_other23.468
r_scangle_other20.114
r_mcangle_it18.162
r_mcangle_other18.162
r_scbond_it14.413
r_scbond_other14.413
r_dihedral_angle_3_deg14.207
r_mcbond_it12.946
r_mcbond_other12.946
r_dihedral_angle_2_deg9.991
r_dihedral_angle_1_deg5.969
r_angle_refined_deg1.913
r_angle_other_deg0.595
r_chiral_restr0.078
r_bond_refined_d0.013
r_gen_planes_refined0.008
r_bond_other_d0.001
r_gen_planes_other0.001
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms23836
Nucleic Acid Atoms
Solvent Atoms110
Heterogen Atoms634

Software

Software
Software NamePurpose
REFMACrefinement
Aimlessdata scaling
DIALSdata reduction
MOLREPphasing