6ST2

Selective Affimers Recognize BCL-2 Family Proteins Through Non-Canonical Structural Motifs

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	10% PEG 8000, 0.2M magnesium chloride and 0.1M Tris pH 7.0

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.891	α = 90
b = 71.891	β = 90
c = 204.057	γ = 90

Symmetry
Space Group	P 41 2 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	PIXEL	DECTRIS PILATUS3 6M		2018-12-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.9762	Diamond	I03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	102.1	100	0.079	0.085	0.031	0.99	13.8	13.9		51639			35

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.79	1.84	100		4.694	5.044	1.835	0.53	1.1	14.2

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1R2D, 4N6T	1.79	71.99	49022	2531	99.94	0.2156	0.2142	0.2413	RANDOM	50.222

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]
0.43			0.43		-0.85

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.765
r_dihedral_angle_4_deg	15.618
r_dihedral_angle_3_deg	13.865
r_dihedral_angle_1_deg	6.116
r_angle_refined_deg	1.373
r_angle_other_deg	1.302
r_chiral_restr	0.065
r_bond_refined_d	0.007
r_gen_planes_refined	0.007
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.765
r_dihedral_angle_4_deg	15.618
r_dihedral_angle_3_deg	13.865
r_dihedral_angle_1_deg	6.116
r_angle_refined_deg	1.373
r_angle_other_deg	1.302
r_chiral_restr	0.065
r_bond_refined_d	0.007
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3762
Nucleic Acid Atoms
Solvent Atoms	94
Heterogen Atoms	5

Software

Software
Software Name	Purpose
xia2	data reduction
Aimless	data scaling
REFMAC	refinement
PHASER	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.