6TZ6

Crystal Structure of Candida Albicans Calcineurin A, Calcineurin B, FKBP12 and FK506 (Tacrolimus)


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.29289CANDIDA ALBICANS VCID8024 [CALCINEURIN A FUSED TO CALCINEURIN B] AND R8065 [FKBP12] IN A SEC PURIFIED COMPLEX MEDIATED BY FK506/TACROLIMUS AT 10.2 MG/ ML AND SUPPLEMENTED WITH 25.6UM R8065 AND 32UM FK506. PROTEIN BUFFER INCLUDES 10MM TRIS PH 7.5, 50 MM NACL, 1.0MM CACL2. THE PROTEIN COMPLEX WAS CRYSTALLIZED AGAINST OPTIMIZATION SCREEN AMP_PROPLEX_A10 (OPT SCREEN BASED ON PROPLEX CONDITION A10) WELL B7: 0.1M TRIS-HCL, 15.91% PEG 2,000 MME, 0.1M POTASSIUM CHLORIDE, AND CRYO-PROTECTED WITH 20% ETHYLENE GLYCOL
Crystal Properties
Matthews coefficientSolvent content
2.4549.79

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.47α = 90
b = 142.85β = 90
c = 175.61γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2013-06-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-G0.9786APS21-ID-G

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)CC (Half)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
12.555098.40.0830.0940.99816.874.451429-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.552.6299.20.560.6350.8263.44.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1TCO2.5534.9961.3451342199998.470.18390.1820.2286
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_d12.122
f_angle_d0.916
f_chiral_restr0.048
f_bond_d0.008
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9363
Nucleic Acid Atoms
Solvent Atoms281
Heterogen Atoms148

Software

Software
Software NamePurpose
XDSdata reduction
XSCALEdata scaling
PHENIXrefinement
PHASERphasing