4X5J

ecDHFR complexed with folate and NADP+ at 750 MPa


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP277PEG 6000, imidazole, calcium chloride
Crystal Properties
Matthews coefficientSolvent content
2.1643.03

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 73.88α = 90
b = 58.594β = 107.1
c = 38.201γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298CCDADSC QUANTUM 210r2013-01-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE AR-NW12A0.71Photon FactoryAR-NW12A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.855098.316.75.113475

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONTHROUGHOUT1.8536.541250465798.20.205980.202990.26448RANDOM20.701
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]
0.770.13-0.4-0.34
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.422
r_dihedral_angle_3_deg17.579
r_dihedral_angle_4_deg16.511
r_long_range_B_refined7.047
r_long_range_B_other7.009
r_dihedral_angle_1_deg6.742
r_scangle_other4.458
r_scbond_it2.787
r_scbond_other2.785
r_mcangle_it2.75
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.422
r_dihedral_angle_3_deg17.579
r_dihedral_angle_4_deg16.511
r_long_range_B_refined7.047
r_long_range_B_other7.009
r_dihedral_angle_1_deg6.742
r_scangle_other4.458
r_scbond_it2.787
r_scbond_other2.785
r_mcangle_it2.75
r_mcangle_other2.745
r_angle_refined_deg2.044
r_mcbond_it1.748
r_mcbond_other1.738
r_angle_other_deg0.9
r_chiral_restr0.113
r_bond_refined_d0.018
r_gen_planes_refined0.01
r_gen_planes_other0.002
r_bond_other_d0.001
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 Atoms1268
Nucleic Acid Atoms
Solvent Atoms134
Heterogen Atoms81

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data scaling