The @ symbol can also appear in regular formulas outside of tables when Excel thinks you're trying to reference a single value from a range. If you see it pop up unexpectedly, it usually means Excel ...
The cohesin subunit Scc1 returns and reconstitutes the complex with Smc1–Smc3 in late mitosis upon DNA double-strand breaks, although it does not participate in homologous recombination-driven MAT ...