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Crystal structure of a protein of unknown function with a cystatin-like fold (npun_r3134) from nostoc punctiforme pcc 73102 at 1.80 A resolution
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 277 NANODROP, 0.05M KH2PO4, 20.0% PEG 8000, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.34 47.38
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 92.487 α = 90 b = 93.768 β = 90 c = 53.069 γ = 90
Symmetry Space Group P 21 21 2
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 2007-09-15 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.1 1.0000, 0.9796 ALS 8.2.1
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 1.8 29.285 99.6 0.104 0.104 4.9 3.5 43329 16
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.8 1.85 99.1 0.571 0.571 1.3 3.4 3126
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 1.8 29.285 43295 2179 99.45 0.164 0.163 0.1706 0.196 0.2041 RANDOM 12.837
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] -0.36 1.6 -1.24
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 29.499 r_dihedral_angle_4_deg 22.164 r_dihedral_angle_3_deg 10.784 r_dihedral_angle_1_deg 4.615 r_scangle_it 2.846 r_mcangle_it 2.207 r_scbond_it 1.953 r_angle_refined_deg 1.739 r_angle_other_deg 1.439 r_mcbond_it 1.388
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 29.499 r_dihedral_angle_4_deg 22.164 r_dihedral_angle_3_deg 10.784 r_dihedral_angle_1_deg 4.615 r_scangle_it 2.846 r_mcangle_it 2.207 r_scbond_it 1.953 r_angle_refined_deg 1.739 r_angle_other_deg 1.439 r_mcbond_it 1.388 r_mcbond_other 0.405 r_symmetry_hbond_refined 0.224 r_symmetry_vdw_refined 0.193 r_nbd_refined 0.192 r_symmetry_vdw_other 0.187 r_xyhbond_nbd_refined 0.179 r_nbtor_refined 0.169 r_nbd_other 0.168 r_chiral_restr 0.093 r_nbtor_other 0.083 r_bond_refined_d 0.017 r_gen_planes_refined 0.008 r_bond_other_d 0.005 r_gen_planes_other 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3143 Nucleic Acid Atoms Solvent Atoms 439 Heterogen Atoms 38
Software Software Software Name Purpose REFMAC refinement PHENIX refinement SHELX phasing MolProbity model building SCALA data scaling PDB_EXTRACT data extraction ADSC data collection MOSFLM data reduction SHARP phasing