we have characterized a novel 28-kilodalton protein , p28tev , detected in human immunodeficiency virus type 1-infected cells . tev is recognized by both tat and rev monospecific antibodies . tev is initiated at the tat aug and contains the first exon of tat at its amino terminus , a small portion of env in the middle , and the second exon of rev at its carboxy terminus .
C0007634
cells
C0015295
exon