Gp15 and gp16 cooperate in translocating bacteriophage T7 DNA into the infected cell.

Abstract excerpt

Loss of up to four amino acids from the C terminus of the 1318 residue bacteriophage T7 gp16 allows plaque formation at normal efficiencies. Loss of five residues results in non-infective virions, and loss of twelve prevents assembly of stable particles. However, replacing the C-terminal seven with nineteen non-native residues allows assembly of non-infective virions. The latter adsorb and eject internal core...

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