5BPZ

Atomic-resolution structures of the APC/C subunits Apc4 and the Apc5 N-terminal domain

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	293	The protein was concentrated to 3.4 mg/mL. Plate-like crystals were grown in a buffer containing 40 mM sodium propionate, 20 mM sodium cacodylate, 40 mM Bis-Tris propane (pH 7.0) and 25% PEG1500. Larger crystals were obtained by seeding.

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 40.972	α = 90
b = 57.297	β = 90
c = 63.616	γ = 90

Symmetry
Space Group	P 21 21 2

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 4		2013-05-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	1.0081	Diamond	I04

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	2.18	63.63	99.8	0.055	28.5	12.8	8213	8213

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.18	2.24	99.1		0.663	4.5	12.8	590

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		THROUGHOUT	2.18	63	8007	395	99.63	0.2122	0.2113	0.2263	RANDOM	59.49

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]
12.047			-12.5723		0.5253

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1138
Nucleic Acid Atoms
Solvent Atoms	48
Heterogen Atoms	14

Software

Software
Software Name	Purpose
BUSTER	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
SCALA	data scaling
SHARP	phasing

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.