several nononcogenic cyt mutants of adenovirus type 12 induced the same e1a ( 55,000 [ 55k ] and 25k ) and e1b polypeptides ( 55k , 19k , and 17k ) as did the wild-type virus , except that cyt 68 did not induce the e1b 19k protein .
C0042776
virus
C0101584
e1b