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HIGH RESOLUTION STRUCTURE OF HUMAN ARGINASE I IN COMPLEX WITH THE STRONG INHIBITOR N(omega)-hydroxy-nor-L-arginine (nor-NOHA)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2ZAV 2ZAV monomer A
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP Hanging drops containing 3 L protein solution [3.5 mg/mL protein, 50 mM bicine (pH 8.5), 2 mM nor-NOHA, 100 M MnCl2] and 3 L precipitant solution [0.1 M bis-Tris (pH 6.5), 28% PEG monomethyl ether 2000] were equilibrated over a 1 mL reservoir of precipitant solution at 2 C. , VAPOR DIFFUSION, HANGING DROP
Crystal Properties Matthews coefficient Solvent content 2.37 48.01
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 90.497 α = 90 b = 90.497 β = 90 c = 69.604 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 315 2009-10-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 1.0 APS 24-ID-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.55 50 98.2 0.144 0.144 14.4 90987 90987
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.55 1.65 96.2 0.302 2
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION PHASER 2ZAV monomer A 1.55 50 85281 85281 4185 92 0.1436 0.1436 0.1436 0.1487 0.1782 0.1482
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 c_dihedral_angle_d 22.7 c_angle_deg 1.34 c_improper_angle_d 0.9 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4762 Nucleic Acid Atoms Solvent Atoms 302 Heterogen Atoms 28
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling