8G4Z

E. coli DHFR complex with NADP+ and folate: EF-X off model by Laue diffraction (no electric field)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7LVC 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP27720 mM imadazole (pH 5.4-5.8), 15-20% PEG 400, 125 mM MnCl2
Crystal Properties
Matthews coefficientSolvent content
2.1442.53

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 34.286α = 90
b = 45.53β = 90
c = 98.995γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray278CCDRAYONIX MX340-HS2021-04-02LLAUE
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 14-ID-B1.02-1.18APS14-ID-B

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
11.741.3699.50.99119.6835.53176371.27
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)
11.71.7699.40.9579.7627.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISFREE R-VALUE1.741.361.321763788299.480.14950.14710.19538.53
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.2222
f_angle_d0.7667
f_chiral_restr0.0533
f_plane_restr0.0068
f_bond_d0.0042
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1270
Nucleic Acid Atoms
Solvent Atoms131
Heterogen Atoms85

Software

Software
Software NamePurpose
PHENIXrefinement
Precognitiondata reduction
carelessdata scaling
PHENIXphasing