| Literature DB >> 1898667 |
P L Green1, Y M Xie, I S Chen.
Abstract
The Rex proteins of human T-cell leukemia virus types I and II (HTLV-I and HTLV-II) induce cytoplasmic expression of unspliced gag-pol mRNA and singly spliced env mRNA and are critical for virus replication. Two rex gene products, p27rex and p21rex of HTLV-I and p26rex and p24rex of HTLV-II, have been detected in HTLV-infected cells; however, the structural and biological relationship of the proteins has not been clearly elucidated. Endoproteinase digestion and phosphoamino acid analysis of HTLV-II Rex indicated that p24rex has the same amino acid backbone as p26rex and that the larger apparent molecular size of p26rex is attributable to serine phosphorylation.Entities:
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Year: 1991 PMID: 1898667 PMCID: PMC240555
Source DB: PubMed Journal: J Virol ISSN: 0022-538X Impact factor: 5.103