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Crystal Structure of Human Adipocyte Fatty Acid Binding Protein (FABP4) at 1.4 Ang. Resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3HK1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.4 298 Sodium phosphate monobasic monohydrate/Potassium phosphate dibasic 2.2 - 2.6M, pH 7 - 7.4, Protein concentration 17mg/ml., VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 1.96 37.27
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 32.647 α = 90 b = 54.004 β = 90 c = 75.237 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 73 CCD ADSC QUANTUM 210 2010-11-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.1 0.9774 ALS 5.0.1
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 1.4 54.1 94.5 0.084 0.079 14.3 7.5 25377 25377 2 2 14.28
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 1.4 1.48 94.5 0.75 0.649 2.1 3.6 9783
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 3HK1 1.4 43.87 26948 25287 1282 93.92 0.19158 0.18974 0.1885 0.22728 0.2254 RANDOM 16.579
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] 0.46 0.19 -0.66
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.271 r_dihedral_angle_4_deg 21.349 r_dihedral_angle_3_deg 13.399 r_dihedral_angle_1_deg 5.521 r_scangle_it 5.077 r_scbond_it 3.131 r_mcangle_it 2.088 r_rigid_bond_restr 1.319 r_angle_refined_deg 1.251 r_mcbond_it 1.139
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.271 r_dihedral_angle_4_deg 21.349 r_dihedral_angle_3_deg 13.399 r_dihedral_angle_1_deg 5.521 r_scangle_it 5.077 r_scbond_it 3.131 r_mcangle_it 2.088 r_rigid_bond_restr 1.319 r_angle_refined_deg 1.251 r_mcbond_it 1.139 r_chiral_restr 0.083 r_bond_refined_d 0.0088 r_gen_planes_refined 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1022 Nucleic Acid Atoms Solvent Atoms 145 Heterogen Atoms
Software Software Software Name Purpose ADSC data collection MOLREP phasing REFMAC refinement MOSFLM data reduction SCALA data scaling