. Author manuscript; available in PMC: 2021 Jul 24.

Published in final edited form as: J Mol Biol. 2020 May 26;432(16):4388–4407. doi: 10.1016/j.jmb.2020.05.018

Table 1.

Isotopic labeling employed for the 150 kDa oligomer samples analyzed in this study.

Sample	Isotopic Labeling
	Uniform ¹³C-labeling and ¹⁵N- labeling at the indicated residues:
1	K16, F20, V24, G37
2	D7, G9, E11.L17, F19, A21
3	E11, F19, 131, V36
4	E11.L17.A21, M35, G38
5	I32, M35, G37, V40
6	Q15, V18, A21
7	S8, Y10, V12, L34, G38, 141
8	V12, E22, S26, N27, G33
9	V12, F20, D23, K28, G29
10	E11, H13, Q15, L17
11	E11, K16, F19, V36
12	A2, E3, F4, G9, V39
13	H14, K16, L34, A42
14	F19, V24, G25, A30, 131, L34, M35 [33]
	Selective ¹³C-labeling at the indicated sites:
A	L17 CO
B	V18 CO
C	F19 CO
D	F20 CO
E	A21 CO
F	L17 CO and F19 CO
G	V18COandA21 CO
H	L17 CO and A21 CO
I	V18 CO and A21 CO (50% isotope-diluted)