Skip to main content
. Author manuscript; available in PMC: 2023 Dec 6.
Published in final edited form as: Annu Rev Biophys. 2022 Jan 4;51:157–179. doi: 10.1146/annurev-biophys-092721-085421

Figure 3.

Figure 3

MS3 analysis of rat 20S proteasome α-ring containing seven different α subunits (PSMA1–7). Samples were subjected to HCD, and fragments were identified based on mass. (a) Deduced structural organization of the α-ring based on identified subcomplexes labeled in panels b and c. Panel c represents an enlarged view of the gray-shaded area in panel b. Figure adapted with permission from Reference 160; copyright 2020 American Chemical Society. Abbreviations: HCD, higher-energy collision dissociation; MS, mass spectrometry.