Experiment: 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)
Type	Source	Accession Code	Details
experimental model	PDB	1TCO

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	289	COCCIDIOIDES 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 coefficient	Solvent content
3	58.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.67	α = 90
b = 154.63	β = 90
c = 64.75	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 300 mm CCD		2015-02-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.978560	APS	21-ID-G

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.85	50	100	0.087	15.7	7.39		81827		-3	26.54

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.85	1.9	100		0.479	4.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1TCO	1.85	45.27	81815	4019	100	0.147	0.145	0.1456	0.172	0.1732	27.08

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
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.561
f_angle_d	1.641
f_chiral_restr	0.114
f_bond_d	0.02
f_plane_restr	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5161
Nucleic Acid Atoms
Solvent Atoms	687
Heterogen Atoms	126

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
PHENIX	refinement
PHASER	phasing