4JOR

CFTR Associated Ligand (CAL) PDZ domain bound to HPV18 E6 oncoprotein C-terminal peptide (RLQRRRETQV)

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	NSLS BEAMLINE X6A
Synchrotron site	NSLS
Beamline	X6A
Temperature [K]	100
Detector technology	CCD
Collection date	2012-09-29
Detector	ADSC QUANTUM 270
Wavelength(s)	1.0000
Spacegroup name	P 1 21 1
Unit cell lengths	33.205, 47.960, 52.852
Unit cell angles	90.00, 101.98, 90.00

Refinement procedure

Resolution	19.290 - 1.340
R-factor	0.1722
Rwork	0.171
R-free	0.18110
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4E34 (CAL PDZ domain bound to iCAL36 peptide)
RMSD bond length	0.007
RMSD bond angle	1.166
Data reduction software	XDS
Data scaling software	XSCALE
Phasing software	PHENIX
Refinement software	PHENIX ((phenix.refine: 1.7_650))

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	19.290	2.310	1.420
High resolution limit [Å]	1.340	2.010	1.340
Rmerge	0.050	0.020	0.247
Number of reflections	34483
<I/σ(I)>	36.69	56.42	7.53
Completeness [%]	94.2	98.9	77.8

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	29% (w/v) polyethylene glycol (PEG), 0.075 M sodium chloride, 0.1 M tris(hydroxymethyl)aminomethane (Tris), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K