Peptic Digestion of Streptococcal M Protein II. Extraction of M Antigen from Group A Streptococci With Pepsin

M protein of group A streptococci was extracted by mild peptic digestion. Optimal amounts of type-specific M protein were released after 20 min of digestion with 0.02 mg of pepsin per ml at pH 5.8. Immunological analysis revealed that, unlike conventional HCl extracts, pepsin extracts lacked the sur...

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Bibliografiske detaljer
Udgivet i:Infect Immun
Main Authors: Beachey, Edwin H., Campbell, Gary L., Ofek, Itzhak
Format: Artigo
Sprog:Inglês
Udgivet: American Society for Microbiology (ASM) 1974
Fag:
Immunology
Online adgang:https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC414902/
https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/4132911/
https://ncbi.nlm.nih.govhttps://doi.org/10.1128/iai.9.5.891-896.1974
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