emm18.20 (emm-cluster clade Y) subtype determining sequence. Identity to bases 31-180 (encodes mature N-terminus) and ungapped identity or near- identity to complete 180 base sequence defines this subtype. Upper respiratory GAS isolate 1rp62, recovered in New York during 1949. Multilocus sequence type ST42. From Lancefield collection. Sequence and information provided by Dr. Debra Bessen, New York College of Medicine. emm18.20.sds Length: 180 April 19, 2007 09:08 Type: N Check: 1337 .. 1 ttagcggtta accaaacaga agttagcgca gcacctctta ctcgagctac 51 agcagacaat aaagacgaat taataaaaag agctaacgat tatgagatac 101 agaaccataa gttaacagtt gagaataaag aattaaaaac tgataaggaa 151 cagttaacag aagagaatga tgatttaaaa