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Life cycle

Parvoviruses enter cells by endocytosis, using a variety of cellular receptors to bind to the host cell. In endosomes, many parvoviruses undergo a change in conformation so that the phospholipase A2 (PLA) domain on the VP1 N-termini are exposed so the virion can penetrate lipid bilayer membranes. Intracellular trafficking of virions varies, but virions ultimately arrive to the nucleus, inside of which the genome is uncoated from the capsid. Based on studies of minute virus of mice (MVM), the genome is ejected from the capsid in a 3′-to-5′ direction from one of the openings in the capsid, leaving the 5′-end of the DNA attached to the capsid.