7MQP

E. coli dihydrofolate reductase complexed with 4'-chloro-3'-(4-(2,4-diamino-6-ethylpyrimidin-5-yl)but-3-yn-2-yl)-[1,1'-biphenyl]-4-carboxamide (UCP1228)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1RF7 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP277.150.3-0.35 M lithium sulfate, 15-19% PEG 6,000
Crystal Properties
Matthews coefficientSolvent content
3.7667.25

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 66.681α = 90
b = 66.681β = 90
c = 213.752γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCD2017-11-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL14-11SSRLBL14-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)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
12.157.8199.72121.821.217232
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.1022.17710013.731.1

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 REPLACEMENTTHROUGHOUT1RF72.157.811643080399.720.19230.19030.2327RANDOM65.274
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]
1.330.661.33-4.31
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.18
r_dihedral_angle_4_deg20.181
r_dihedral_angle_3_deg16.994
r_dihedral_angle_1_deg6.689
r_angle_refined_deg2.017
r_angle_other_deg1.088
r_chiral_restr0.108
r_bond_refined_d0.02
r_gen_planes_refined0.01
r_bond_other_d0.003
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.18
r_dihedral_angle_4_deg20.181
r_dihedral_angle_3_deg16.994
r_dihedral_angle_1_deg6.689
r_angle_refined_deg2.017
r_angle_other_deg1.088
r_chiral_restr0.108
r_bond_refined_d0.02
r_gen_planes_refined0.01
r_bond_other_d0.003
r_gen_planes_other0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1284
Nucleic Acid Atoms
Solvent Atoms57
Heterogen Atoms65

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing