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. 2021 Mar 2;9:642737. doi: 10.3389/fcell.2021.642737

FIGURE 7.

FIGURE 7

Structural components of the meiotic chromosome axis. (A) Domain structure of Hop1 and Red1. The C-terminal-domain (CTD) of Hop1 contains a closure motif. (B) Hop1 forms an oligomer through intermolecular interactions between the HORMA domain and the closure motif (West et al., 2018). The Red1 coiled-coil domain forms a parallel-antiparallel tetramer that can form a filament structure by end-to-end polymerization (West et al., 2019).