6ZF7

Keap1 kelch domain bound to a small molecule inhibitor of the Keap1-Nrf2 protein-protein interaction

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)
Synchrotron site	PETRA III, EMBL c/o DESY
Beamline	P13 (MX1)
Temperature [K]	100
Detector technology	PIXEL
Collection date	2019-09-27
Detector	DECTRIS PILATUS 6M
Wavelength(s)	0.976245
Spacegroup name	P 61
Unit cell lengths	103.243, 103.243, 55.396
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	51.620 - 1.370
R-factor	0.1544
Rwork	0.153
R-free	0.17970
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	5fnu
RMSD bond length	0.008
RMSD bond angle	1.036
Data reduction software	XDS (v Mar 15, 2019)
Data scaling software	autoPROC (1.0.5)
Phasing software	PHASER (1.13-2998)
Refinement software	PHENIX (1.13_2998)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	51.620	1.421
High resolution limit [Å]	1.370	1.372
Rmerge	0.055	0.848
Rmeas	0.058	0.893
Rpim	0.018	0.279
Number of reflections	138170	13844
<I/σ(I)>	28.64	1.95
Completeness [%]	100.0
Redundancy	10.3
CC(1/2)	1.000	0.826

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	5.6	293	0.5 M Ammonium sulfate, 0.1 M Sodium citrate tribasic dihydrate pH 5.6 and 1.0 M Lithium sulfate monohydrate