emm28.1 (emm-cluster E4) subtype-determining sequence. Bases 31-180 encode residues 1-50 of mature protein. emm28.1.sds Length: 180 November 15, 2006 15:17 Type: N Check: 5702 .. 1 GGCTTTGCAA ACCAAACAGA AGTTAAGGCT GCGGAGTCTC CAAAAAGTAC 51 TGAGACTTCT GCTAATGGAG CTGATAAATT AGCTGATGCA TACAACACAT 101 TGCTTACTGA ACATGAGAAA CTCAGAGATG AGTATTATAC ATTAATTGAT 151 GCTAAATTAG AAGAAAAAGA GAAAAATTTA