4L7B

Structure of keap1 kelch domain with (1S,2R)-2-{[(1S)-1-[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl]-3,4-dihydroisoquinolin-2(1H)-yl]carbonyl}cyclohexanecarboxylic acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	296	1 ul of protein at 12 mg/ml in 20 mM Tris-HCl pH 7.5, 5 mM DTT, 5 mM compound 1 + 2 ul of 2.15 M Sodium Acetate , VAPOR DIFFUSION, HANGING DROP, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
4.47	72.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.76	α = 90
b = 75.85	β = 90
c = 205.37	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M	Mirrors	2012-09-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02	0.9795	Diamond	I02

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	2.41	75.37	99.6	0.064			46220	46220	2	2	62.774

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.41	2.47	99.71

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1ZGK	2.41	60.96	46334	43927	2342	99.22	0.22938	0.22938	0.22851	0.24602	RANDOM	51.371

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]
-0.24			-0.05		0.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.272
r_dihedral_angle_4_deg	13.83
r_dihedral_angle_3_deg	11.622
r_dihedral_angle_1_deg	5.065
r_angle_refined_deg	0.889
r_angle_other_deg	0.7
r_chiral_restr	0.051
r_bond_refined_d	0.004
r_gen_planes_refined	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4485
Nucleic Acid Atoms
Solvent Atoms	238
Heterogen Atoms	54

Software

Software
Software Name	Purpose
GDA	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XDS	data scaling