2A9I

Molecular Structure of the Interleukin-1 Receptor-Associated Kinase-4 Death Domain

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	281	100mM HEPES pH 7.5, 25% PEG 3350, 10 mM MnCl2 , VAPOR DIFFUSION, HANGING DROP, temperature 281K

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.152	α = 90
b = 38.043	β = 121.07
c = 51.588	γ = 90

Symmetry
Space Group	C 1 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	MARRESEARCH		2004-10-29	M	SINGLE WAVELENGTH
2	1	x-ray		CCD	MARRESEARCH			M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-ID-B	0.97888	APS	14-ID-B
2	SYNCHROTRON	APS BEAMLINE 32-ID	0.91947, 0.91919, 0.91270	APS	32-ID

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	1.7	18					13974

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.7	18	12981	993	100	0.17982	0.17673	0.22255	RANDOM	28.903

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]
0.27		-0.62	0.68		-1.6

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.744
r_dihedral_angle_4_deg	16.909
r_dihedral_angle_3_deg	12.286
r_dihedral_angle_1_deg	7.303
r_scangle_it	5.151
r_scbond_it	3.35
r_mcangle_it	1.968
r_angle_refined_deg	1.719
r_mcbond_it	1.245
r_nbtor_refined	0.323

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.744
r_dihedral_angle_4_deg	16.909
r_dihedral_angle_3_deg	12.286
r_dihedral_angle_1_deg	7.303
r_scangle_it	5.151
r_scbond_it	3.35
r_mcangle_it	1.968
r_angle_refined_deg	1.719
r_mcbond_it	1.245
r_nbtor_refined	0.323
r_nbd_refined	0.28
r_xyhbond_nbd_refined	0.261
r_symmetry_vdw_refined	0.222
r_symmetry_hbond_refined	0.22
r_chiral_restr	0.106
r_bond_refined_d	0.017
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	823
Nucleic Acid Atoms
Solvent Atoms	145
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.