7Z6O

X-Ray studies of Ku70/80 reveal the binding site for IP6

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SOLEIL BEAMLINE PROXIMA 2
Synchrotron site	SOLEIL
Beamline	PROXIMA 2
Temperature [K]	100
Detector technology	PIXEL
Collection date	2020-03-06
Detector	DECTRIS EIGER X 9M
Wavelength(s)	0.980101
Spacegroup name	P 32 2 1
Unit cell lengths	125.146, 125.146, 319.700
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	48.300 - 3.700
R-factor	0.2205
Rwork	0.218
R-free	0.27130
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1jey
RMSD bond length	0.002
RMSD bond angle	0.422
Data reduction software	XDS
Data scaling software	XDS
Phasing software	PHASER
Refinement software	BUSTER

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	48.300	3.790
High resolution limit [Å]	3.700	3.700
Number of reflections	31855	2327
<I/σ(I)>	4.2
Completeness [%]	99.7	98.4
Redundancy	20.1	18.1
CC(1/2)	0.996	0.047

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	24% PEG3350, 200mM Na2SO4, 100mM BTP, 5 mM b-mercaptoethanol