4N1B | pdb_00004n1b

STRUCTURE OF KEAP1 KELCH DOMAIN WITH(1S,2R)-2-[(1S)-1-[(1-oxo-2,3-dihydro-1H-isoindol-2-Yl)methyl]-1,2,3,4-tetrahydroisoquinoline-2-Carbonyl]cyclohexane-1-carboxylic acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		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
3.21	61.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.18	α = 90
b = 127.13	β = 90
c = 131.11	γ = 90

Symmetry
Space Group	P 21 2 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	mIRROR	2012-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I24	0.96861	Diamond	I24

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.55	32.68	99.9			42242	42242	2	2

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	2.55		99.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.55	32.67	42242	38651	2035	96.25	0.24573	0.24573	0.24358	0.2436	0.28692	0.2824	RANDOM	48.479

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]
-0.17			0.02		0.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.806
r_dihedral_angle_4_deg	18.323
r_dihedral_angle_3_deg	14.896
r_dihedral_angle_1_deg	5.993
r_long_range_B_other	4.37
r_long_range_B_refined	4.362
r_mcangle_it	2.845
r_mcangle_other	2.845
r_scangle_other	2.316
r_mcbond_it	1.576
r_mcbond_other	1.575
r_scbond_it	1.259
r_scbond_other	1.259
r_angle_refined_deg	1.069
r_angle_other_deg	0.674
r_chiral_restr	0.058
r_bond_refined_d	0.005
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6593
Nucleic Acid Atoms
Solvent Atoms	28
Heterogen Atoms	104

Software

Software
Software Name	Purpose
GDA	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
xia2	data scaling