3HL5

Crystal structure of XIAP BIR3 with CS3

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	294	drops contain 2 uL protein and 2 uL well solutions. protein solution: 4 mg/mL in 20 mM Tris pH 8.3, 200mM NaL. 2 mM CS3. well solution: 3.5 M Na Formate pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.32	47.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.913	α = 90
b = 39.94	β = 100
c = 49.929	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	100	CCD	ADSC QUANTUM 315		2008-03-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	1.00	ALS	5.0.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.79	50	99.3	0.075	0.075	14.1	3.5	19119	19119		-3	16.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.79	1.85	94.8		0.096	2.8	2.7	1819

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	Chain D from PDB entry 1g73	1.8	49.15	16220	1855	95.47	0.17916	0.17916	0.17574	0.20932	RANDOM	17.938

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]
-0.71		-0.03	1.25		-0.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.983
r_dihedral_angle_4_deg	14.463
r_dihedral_angle_3_deg	12.769
r_dihedral_angle_1_deg	4.413
r_scangle_it	3.469
r_mcangle_it	2.979
r_scbond_it	2.268
r_mcbond_it	1.955
r_angle_refined_deg	1.126
r_nbtor_refined	0.305
r_nbd_refined	0.191
r_symmetry_vdw_refined	0.152
r_symmetry_hbond_refined	0.117
r_xyhbond_nbd_refined	0.108
r_chiral_restr	0.073
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1506
Nucleic Acid Atoms
Solvent Atoms	146
Heterogen Atoms	76

Software

Software
Software Name	Purpose
BOS	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling