ABSTRACT Human cytomegalovirus (HCMV) immediate-early 2 (IE2) protein is a multifunctional transcription factor that is essential for lytic HCMV infection. IE2 functions as an activator of viral early genes. negatively regulates its own promoter. and is required for viral replication. https://www.bekindtopets.com/hot-sale-Osborne-RN3-Big-Wheel-Nursery-Hog-Feeder-best-save/