4PE4

Crystal Structure of Calcium-loaded S100B bound to SC1475


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP629540% 2-methyl-2,4-pentanediol, 0.1M Bis-Tris, 7.5mM CaCl2, 4mM SC1475
Crystal Properties
Matthews coefficientSolvent content
2.1843.57

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 35.015α = 90
b = 58.087β = 111.23
c = 47.891γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELPSI PILATUS 6M2013-01-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL12-20.97950SSRLBL12-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Rrim I (All)Rpim I (All)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
12.17735.39696.70.0510.0610.03311.63.49152915244.03
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.182.391.70.4610.4610.2921.73.31259

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONFREE R-VALUE2.17835.3961.34911393596.540.21330.20870.251448.7303
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.825
f_angle_d1.304
f_chiral_restr0.07
f_bond_d0.013
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1454
Nucleic Acid Atoms
Solvent Atoms19
Heterogen Atoms46

Software

Software
Software NamePurpose
SCALAdata scaling
Blu-Icedata collection
PDB_EXTRACTdata extraction
PHENIXrefinement
XDSdata scaling