1CY5

CRYSTAL STRUCTURE OF THE APAF-1 CARD

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	290	HANGING DROP VAPOR DIFFUSION WITH EQUAL VOLUMES OF PROTEIN AND RESERVOIR SOLUTIONS. PROTEIN SOLUTION: 5-20 MG/ML PROTEIN IN 0.02 MOLAR TRIS (PH 8.0-8.5) , 0.1-0.2 MOLAR SODIUM CHLORIDE. 0.005 MOLAR 2-MERCAPTOETHANOL RESERVOIR SOLUTION: 8-20% (W/V) PEG 8000, 0.2 MOLAR TRIS (PH 7.5-8.0), 0.05-0.2 MOLAR ZINC ACETATE., VAPOR DIFFUSION, HANGING DROP, temperature 17K

Crystal Properties
Matthews coefficient	Solvent content
2.09	30

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 36.35	α = 90
b = 46.91	β = 90
c = 54.35	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	CCD	ADSC		1999-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X26C		NSLS	X26C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.3	30	98	0.026	35	6		24113		-9

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)
	1.3	1.35	96		0.23	2.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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 PROGRAM PACKAGE USED (IF ANY) : SHARP STARTING MODEL FOR MOLECULAR REPLACEMENT: NONE	FREE-R	1.3	6	39179	3918	87	0.169		0.199	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
	741	853

RMS Deviations
Key	Refinement Restraint Deviation
s_approx_iso_adps	0.095
s_similar_adp_cmpnt	0.068
s_from_restr_planes	0.032
s_non_zero_chiral_vol	0.03
s_zero_chiral_vol	0.021
s_angle_d	0.019
s_bond_d	0.005
s_rigid_bond_adp_cmpnt	0.004
s_similar_dist
s_anti_bump_dis_restr

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	745
Nucleic Acid Atoms
Solvent Atoms	106
Heterogen Atoms	10

Software

Software
Software Name	Purpose
SHARP	phasing
SHELXL-97	refinement
DENZO	data reduction
SCALEPACK	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.