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Purification and characterization of streptolysin O secreted by Streptococcus equisimilis (group C)
Infection and Immunity
|June 1, 1993
Abstract:
Streptolysin O (SLO) was purified from culture supernatants of group C streptococci. The final product was either the complete, native molecule (SLOn [pI, 6.0]) with the N-terminal sequence (Asp)-Ser-Asn-Lys-Gln-Asn-Thr-Ala-Asn-Thr-Glu-Thr- or a large fragment (SLOf [pI, 7.3]) with the N-terminal sequence Ala-Pro-Lys-Glu-Met-Pro-Leu-Glu-Ser-Ala-Glu-Lys-Glu-Glu-Lys-.