mutation of nucleotide ( nt ) 5140 in the enhancer alters the binding site ( tgactaa , nt 5139-5145 ) for polyomavirus enhancer a binding protein 1 ( pea1 ) , a murine homolog of the human transcription factor activator protein 1 ( ap1 ) .
C0086418
human
C3271456
transcription factor activator protein 1