Definition: Proteins transcribed from the E1B region of ADENOVIRUSES which are involved in regulation of the levels of early and late viral gene expression.
Other names Adenovirus E1B 19K Protein; E1B Proteins, Adenovirus; E1B Protein, Adenovirus; Adenovirus E1B Protein; Adenovirus 12 Early Region 1B 19K Protein