4PE7

Crystal Structure of Calcium-loaded S100B bound to SC1982


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP829540% 2-methyl-2,4-pentanediol, 0.1M Tris,7.5mM CaCl2, 4mM SC1982
Crystal Properties
Matthews coefficientSolvent content
2.2244.55

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 34.638α = 90
b = 90.018β = 90
c = 60.796γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152013-04-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-11.1271SSRLBL7-1

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
11.65232.32799.90.0450.0510.02322.74.71175211752
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)
11.6521.7499.80.6130.6130.311.34.71673

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-VALUE1.65232.3271.3511731117399.810.17670.17270.214420.6743
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_d16.412
f_angle_d1.242
f_chiral_restr0.087
f_bond_d0.013
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms746
Nucleic Acid Atoms
Solvent Atoms137
Heterogen Atoms29

Software

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