KR781471 6592 1 2087 RS-B site KR781471 6592 654 821 ori; derived from Staphylococcus aureus KR781471 6592 1792 2087 truncated polypeptide B KR781471 6592 2099 3359 leader peptide KR781471 6592 3376 5469 involved in ampicillin resistance KR781471 6592 5485 5529 polylinker; derived from M13mp19 KR781471 6592 5550 6279 S65A KR781471 6592 6288 6588 blaZTT KR781471 6592 6451 6588 TT