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APO-CORE-STREPTAVIDIN IN COMPLEX WITH BIOTIN (TWO UNOCCUPIED BINDING SITES) AT PH 4.5
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1SWA PDB ENTRY 1SWA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 4.5 PROTEIN-BIOTIN COMPLEX WAS CO-CRYSTALLIZED FROM 50% MPD (2-METHYL-PENTANE-2,4-DIOLE, PH 4.5) WITH 1.2M EXCESS OF BIOTIN
Crystal Properties Matthews coefficient Solvent content 2.13 42.13
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 57.794 α = 90 b = 85.191 β = 100.13 c = 46.599 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 295 AREA DETECTOR NICOLET 1996-04-23 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH2R
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 1.9 50 76 0.042 14 7 25758
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) 1.9 2 20 0.417 1.1
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1SWA 1.9 10 25513 2550 76 0.209 0.202 0.2105 0.328 EVERY 10TH REFLECTION
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 3272.3 3735.2
RMS Deviations Key Refinement Restraint Deviation s_zero_chiral_vol 0.096 s_similar_adp_cmpnt 0.095 s_non_zero_chiral_vol 0.094 s_angle_d 0.026 s_from_restr_planes 0.018 s_anti_bump_dis_restr 0.008 s_bond_d 0.006 s_similar_dist s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3489 Nucleic Acid Atoms Solvent Atoms 234 Heterogen Atoms 32
Software Software Software Name Purpose SHELXL-96 model building X-PLOR model building SHELXL-96 refinement X-PLOR refinement XENGEN data reduction XENGEN data scaling SHELXL-96 phasing X-PLOR phasing