| Autor: |
E P, Savel'ev, E I, Blinnikova, S A, Bitko, O P, Degtiareva |
| Rok vydání: |
1987 |
| Předmět: |
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| Zdroj: |
Biokhimiia (Moscow, Russia). 52(11) |
| ISSN: |
0320-9725 |
| Popis: |
Cell wall surface proteins of group A Streptococcus type 29 were extracted with 1 M hydroxylamine pH 6.0. The purification procedure included fractionation with ammonium sulfate and gel filtration on Sephadex G-150. SDS polyacrylamide gel electrophoresis revealed a number of proteins (approximately 20) with molecular mass of 70 kD; the difference in Mr between the proteins was 5-10 kD. Isoelectrofocusing demonstrated that the proteins are either acid (pI = 3.7) or weakly alkaline (pI = 7.7). Possible reasons for the heterogeneity of Streptococcus cell wall surface proteins are discussed. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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