>2NL8_1|Chain A[auth W]|18-nt PEN element of the SV40 DNA origin| CGAGGCCATCATGGCCTC >2NL8_2|Chain B[auth A]|large T antigen|Simian virus 40 (1891767) GSHMKVEDPKDFPSELLSFLSHAVFSNRTLACFAIYTTKEKAALLYKKIMEKYSVTFISRHNSYNHNILFFLTPHRHRVSAINNYAQKLSTFSFLICKGVNKEYLMYSALTRDPFSVIEESLPGGLKEHDFNP