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Crystal structure of neoculin, a sweet protein with taste-modifying activity.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1BWU PDB ENTRY 1BWU
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.4 277 PEG1000, sodium cacodylate, calcium chrolide, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.3 62.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 48.009 α = 90 b = 101.089 β = 90 c = 271.572 γ = 90
Symmetry Space Group P 21 21 21
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 4 2004-12-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PHOTON FACTORY BEAMLINE BL-6A 1.0 Photon Factory BL-6A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.76 50 92.8 32626 32626
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.76 2.86 82.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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 MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1BWU 2.76 20 32517 32517 3246 92.8 0.245 0.245 0.2464 0.267 0.268 RANDOM 31.5
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] -9.09 14.33 -5.24
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 28.2 c_scangle_it 2.86 c_angle_deg 2.7 c_mcangle_it 2.28 c_improper_angle_d 2.25 c_scbond_it 1.87 c_mcbond_it 1.31 c_bond_d 0.016 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 28.2 c_scangle_it 2.86 c_angle_deg 2.7 c_mcangle_it 2.28 c_improper_angle_d 2.25 c_scbond_it 1.87 c_mcbond_it 1.31 c_bond_d 0.016 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6884 Nucleic Acid Atoms Solvent Atoms 165 Heterogen Atoms 63
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling PHASER phasing