X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2B0Uone activin A monomer and ND, FSD1, and FSD2 of one follistatin 288 molecule (PDB 2B0U)

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.529820-23% PEG 1000, 200mM MgCl2, 3% EtOH, 20mM Trimethyl-amine HCl, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298 K
Crystal Properties
Matthews coefficientSolvent content
2.5351.47

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 104.641α = 90
b = 106.584β = 90
c = 87.568γ = 90
Symmetry
Space GroupP 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298CCDMARMOSAIC 300 mm CCD2006-06-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 5ID-B1.0APS5ID-B

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)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
13.434.34499.70.160.1647.213978
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)RedundancyNumber Unique Reflections (All)
13.43.581000.7080.70817.31994

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTone activin A monomer and ND, FSD1, and FSD2 of one follistatin 288 molecule (PDB 2B0U)3.431.011395528399.690.2250.2230.324RANDOM46.862
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]
-0.01-0.010.03
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.349
r_scangle_it25.907
r_scbond_it22.456
r_dihedral_angle_3_deg21.821
r_mcangle_it21.07
r_dihedral_angle_4_deg18.124
r_mcbond_it16.71
r_dihedral_angle_1_deg8.805
r_angle_refined_deg1.945
r_symmetry_vdw_refined0.524
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.349
r_scangle_it25.907
r_scbond_it22.456
r_dihedral_angle_3_deg21.821
r_mcangle_it21.07
r_dihedral_angle_4_deg18.124
r_mcbond_it16.71
r_dihedral_angle_1_deg8.805
r_angle_refined_deg1.945
r_symmetry_vdw_refined0.524
r_symmetry_hbond_refined0.478
r_nbd_refined0.402
r_nbtor_refined0.367
r_xyhbond_nbd_refined0.318
r_chiral_restr0.128
r_bond_refined_d0.014
r_gen_planes_refined0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5952
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
SCALAdata scaling
PHASERphasing
DMphasing
REFMACrefinement
PDB_EXTRACTdata extraction
MOSFLMdata reduction
CCP4data scaling