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Human Serum Albumin, complexed with Sulfasalazine
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4SLY 4sly
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 293 HSA was dissolved in 50 mM potassium phosphate, 150 mM sodium chloride (pH 7.5) and concentrated to 2 mM (140 mg/mL). The HSA solution was incubated with a six fold excess of sulfasalazine at 4-5 degrees C for 4 hours.The crystal was grown by the hanging drop vapor diffusion method using a reservoir solution containing buffer (2.5 mM potassium phosphate, 7.5 mM sodium chloride, pH 7.0), 0.3% glycerol and polyethylene glycol 3350 (~30%). For crystallization 1 uL protein solution was equilibrated against 1 uL of reservoir solution.
Crystal Properties Matthews coefficient Solvent content 2.31 46.82
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 59.297 α = 90 b = 85.113 β = 99.89 c = 60.123 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 100 PIXEL DECTRIS PILATUS 2M-F 2018-07-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06DA 1.0000000 SLS X06DA
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 2.208 48.616 62.1 0.066 0.066 12.7 3.4 18420 48.12
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Rrim I (All) Rpim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.208 2.473 10.8 0.729 0.729 0.85 0.453 1.6 3.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 MOLECULAR REPLACEMENT THROUGHOUT 4sly 2.21 48.616 18420 866 62.1 0.182 0.177 0.1793 0.275 0.2826 RANDOM 53.55
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] 0.6903 0.1249 0.8605 -1.5508
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 21.42 t_omega_torsion 2.53 t_angle_deg 1.14 t_bond_d 0.01 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 21.42 t_omega_torsion 2.53 t_angle_deg 1.14 t_bond_d 0.01 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4414 Nucleic Acid Atoms Solvent Atoms 356 Heterogen Atoms 97
Software Software Software Name Purpose XDS data reduction STARANISO data scaling autoPROC data scaling Aimless data scaling BUSTER refinement PHASER phasing autoPROC data processing