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. 2021 Apr 15;16(4):e0249735. doi: 10.1371/journal.pone.0249735

Fig 6. Schematic illustration of the MCA protein evolution.

Fig 6

PLAC8 domain genes were observed from chlorophytes to angiosperms, and many were single domain proteins (a). In the common ancestor of streptophytes, type I, type II, and type III domain combinations evolved (b). In the common ancestor of land plants, i.e. embryophytes, type IV domain combinations (MCA type, i.e. MCAfunc + PLAC8) evolved (c). In addition to the commonly observed types I-IV, lineage specific combinations were also observed.