“…7) (Botstein et al ., 1973; Eppler et al ., 1991; King et al ., 1973; Poteete and King, 1977; Youderian and Susskind, 1980). Some P22-like phages, for example, phages ε34 and L, have a 15th virion assembly gene, dec , at the promoter proximal end of the cluster, whose encoded protein “decorates” the outside of the head and stabilizes it (Gilcrease et al ., 2005; Tang et al ., 2006; Villafane et al ., 2008).…”