5B8I

Crystal structure of Calcineurin A and Calcineurin B in complex with FKBP12 and FK506 from Coccidioides immitis RS


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1TCO 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.5289COCCIDIOIDES IMMITIS, COMPLEX NAMED COIMA.00174.A.GM11, AND COMPOSED OF CALCINEURIN A (COIMA.00174.A.GM11), CALCINEURIN B (COIMA.01011.A.GJ11), AND FKBP12 (COIMA.18272.A.GK11) PURIFIED IN THE PRESENCE OF FK506/ TACROLIMUS (PROTEIN BATCH #D00367) AT 10.81 MG/ML. PROTEIN BUFFER INCLUDES 25MM HEPES PH 8.0, 50 MM NACL, 5.0MM CACL2, 0.5MM TCEP, AND 5UM FK506. THE PROTEIN COMPLEX WAS CRYSTALLIZED AGAINST THE SPARSE MATRIX SCREEN PROPLEX V/V PROPANOL-1 AND CRYO-PROTECTED WITH 20% ETHYLENE GLYCOL; CRYSTAL TRACKING ID 261098D2 (HLC3-10), VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 289K
Crystal Properties
Matthews coefficientSolvent content
358.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 94.67α = 90
b = 154.63β = 90
c = 64.75γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2015-02-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-G0.978560APS21-ID-G

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.85501000.08715.77.3981827-326.54
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.851.91000.4794.2

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-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1TCO1.8545.278181540191000.1470.1450.17227.08
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_d14.561
f_angle_d1.641
f_chiral_restr0.114
f_bond_d0.02
f_plane_restr0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5161
Nucleic Acid Atoms
Solvent Atoms687
Heterogen Atoms126

Software

Software
Software NamePurpose
XDSdata reduction
XSCALEdata scaling
PHENIXrefinement
PHASERphasing