Autographivirinae is a subfamily of viruses in the order Caudovirales, in the family Podoviridae.
The Caudovirales are an order of viruses also known as the tailed bacteriophages (cauda is Latin for "tail").
The International Committee on Taxonomy of Viruses (ICTV) authorizes and organizes the taxonomic classification of and the nomenclatures for viruses.
Podoviridae is a family of viruses in the order Caudovirales.
Bacteriophage T7 (or the T7 phage) is a bacteriophage, a virus that infects susceptible bacterial cells, that is composed of DNA and infects most strains of Escherichia coli.
Some viruses (e.g. HIV and many animal viruses) have viral envelopes covering their protective protein capsids.
A virus is a small infectious agent that replicates only inside the living cells of other organisms.