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COMPARISON OF TERNARY COMPLEXES OF PNEUMOCYSTIS CARINII AND WILD TYPE HUMAN DIHYDROFOLATE REDUCTASE WITH COENZYME NADPH AND A NOVEL CLASSICAL ANTITUMOR FURO[2,3D]PYRIMIDINE ANTIFOLATE
Crystallization Crystal Properties Matthews coefficient Solvent content 2.04 39.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 37.171 α = 90 b = 43.094 β = 94.85 c = 61.049 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray IMAGE PLATE RIGAKU RAXIS 1994-07-14
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION 2.3 8 5631 0.181 26.72
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 Key Refinement Restraint Deviation p_transverse_tor 27.3 p_staggered_tor 20.4 p_mcangle_it 2.112 p_planar_tor 1.8 p_scangle_it 1.768 p_mcbond_it 1.327 p_scbond_it 1.212 p_multtor_nbd 0.284 p_xyhbond_nbd 0.273 p_singtor_nbd 0.213
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 27.3 p_staggered_tor 20.4 p_mcangle_it 2.112 p_planar_tor 1.8 p_scangle_it 1.768 p_mcbond_it 1.327 p_scbond_it 1.212 p_multtor_nbd 0.284 p_xyhbond_nbd 0.273 p_singtor_nbd 0.213 p_chiral_restr 0.136 p_angle_d 0.038 p_planar_d 0.033 p_bond_d 0.012 p_plane_restr 0.01 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 Atoms Number Protein Atoms 1686 Nucleic Acid Atoms Solvent Atoms 42 Heterogen Atoms 80
Software Software Software Name Purpose PROFFT refinement R-AXIS data reduction