The IE2 60-Kilodalton and 40-Kilodalton Proteins Are Dispensable for Human Cytomegalovirus Replication but Are Required for Efficient Delayed Early and Late Gene Expression and Production of Infectious Virus

Abstract excerpt

The human cytomegalovirus (HCMV) IE2 86-kDa protein is an essential transactivator of viral and cellular gene expression. Additional proteins of 60 and 40 kDa are expressed from the IE2 gene at late times postinfection and are identical to the C terminus of IE2 86. We have constructed HCMV recombinants that express wild-type full-length IE2 86 but do not express the IE2 40- and 60-kDa proteins. Each of these...

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