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Crystal Structure of Activin A Bound to the ECD of ActRIIB
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1BTE PDB ENTRY 1BTE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 295 PEG 4000, sodium chloride, hepes, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 3.45 64.11
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 141.33 α = 90 b = 141.33 β = 90 c = 46.021 γ = 90
Symmetry Space Group P 41 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 113 CCD MARRESEARCH 2002-04-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 5ID-B 1.000 APS 5ID-B
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 3.1 14.99 99.5 0.083 31.1 14.5 8777 95.8
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 3.1 3.15 0.437 5.9
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 (All) 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 1BTE 3.1 14.99 8777 657 99.5 0.269 0.268 0.268 0.267 0.291 0.2895 RANDOM 95.8
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] 3.06 3.06 -6.11
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 28 c_angle_deg 2.1 c_improper_angle_d 1.02 c_bond_d 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2375 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose CNS refinement MAR345 data collection SCALEPACK data scaling BRUTE phasing BEAST phasing CNS phasing