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. 2023 Dec 11;15(12):2404. doi: 10.3390/v15122404

Figure 9.

Figure 9

The bacteriophage Φ6 nucleocapsid with bound YajQ. (A) SDS-PAGE gel showing the four constituent proteins together with YajQ at a slightly larger amount than P7. (B) A representative micrograph of YajQ-bound packaged capsids with a few empty P1 shells. Scale bar: 500 Å. (C) A reconstruction of the nucleocapsid filtered to 6 Å. The YajQ monomers (arrowhead) are bound to sites surrounding the three-fold vertices. The P4 hexamers (asterisk) are the donut densities suspended above the five-fold vertices. Scale bar: 100 Å. (D) Fit of a homology model of YajQ (green) into the density attached to the capsid. Also shown are the two capsid subunits, P1A (blue) and P1B (red), and a purple density consistent with the C-terminal tail of P4 [90].