Packaged DNA stabilization protein gp4 4 MQIKTKGDLVRAALRKLGVASDATLTDVEPQSMQDAVDDLEAMMAEWYQDGKGIITGYVFSDDENPPAEGDDHGLRSSAVSAVFHNLACRIAPDYALEATAKIIATAKYGKELLYKQTAISRAKRAPYPSRMPTGSGNSFANLNEWHYFPGEQNADSTTPHDEGNG VG04_BPP22 Together with gp10 and gp26, gp4 is required for stabilization of the condensed DNA within the capsid; perhaps by plugging the hole through which the DNA enters. 166