1HFP

COMPARISON OF TERNARY CRYSTAL COMPLEXES OF HUMAN DIHYDROFOLATE REDUCTASE WITH NADPH AND A CLASSICAL ANTITUMOR FUROPYRIMDINE


X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficientSolvent content
2.5448

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 87.12α = 90
b = 87.12β = 90
c = 77.014γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayIMAGE PLATERIGAKU1993-05-05
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.9869.980.0563.09119852

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTION2.10.181430.08
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
p_transverse_tor21.6
p_staggered_tor19.3
p_planar_tor4.7
p_mcangle_it1.679
p_scangle_it1.647
p_mcbond_it1.094
p_scbond_it0.986
p_multtor_nbd0.268
p_xyhbond_nbd0.255
p_chiral_restr0.218
RMS Deviations
KeyRefinement Restraint Deviation
p_transverse_tor21.6
p_staggered_tor19.3
p_planar_tor4.7
p_mcangle_it1.679
p_scangle_it1.647
p_mcbond_it1.094
p_scbond_it0.986
p_multtor_nbd0.268
p_xyhbond_nbd0.255
p_chiral_restr0.218
p_singtor_nbd0.212
p_planar_d0.064
p_angle_d0.054
p_bond_d0.021
p_plane_restr0.015
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1495
Nucleic Acid Atoms
Solvent Atoms47
Heterogen Atoms80

Software

Software
Software NamePurpose
PROFFTrefinement
R-AXISdata reduction