7K2D

Kelch domain of human KEAP1 bound to Nrf2 linear peptide, Ac-GDEETGE-NH2

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL9-2
Synchrotron site	SSRL
Beamline	BL9-2
Temperature [K]	100
Detector technology	PIXEL
Collection date	2019-01-24
Detector	DECTRIS PILATUS 6M
Wavelength(s)	0.97656
Spacegroup name	I 1 2 1
Unit cell lengths	77.938, 68.853, 143.905
Unit cell angles	90.00, 91.12, 90.00

Refinement procedure

Resolution	27.470 - 2.210
R-factor	0.224
Rwork	0.223
R-free	0.26700
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	5wfl
Data reduction software	HKL-3000
Data scaling software	HKL-2000
Phasing software	PHENIX
Refinement software	PHENIX (1.17.1_3660)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	27.470	2.290
High resolution limit [Å]	2.210	2.210
Rmerge	0.060	0.420
Number of reflections	38060
<I/σ(I)>	9.82	2.1
Completeness [%]	98.9	97.9
Redundancy	2	2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		295	1.2 - 1.5 M Ammonium Sulfate, 0.5-0.7% PEG-MME-550, 0.1 M Bis-Tris pH = 6.0 - 6.5