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The IgA‐binding β antigen of the c protein complex of Group B streptococci: sequence determination of its gene and detection of two binding regions

1 Apr 1991

Abstract excerpt

The beta antigen of the lbc protein complex of Group B streptococci is a cell-surface receptor which binds the Fc region of human immunoglobulin A (IgA). Determination of the nucleotide sequence of the beta antigen gene shows that it encodes a preprotein having a molecular weight of 130,963 daltons and a polypeptide of 1164 amino acid residues that is typical of other Gram-positive cell-wall proteins. There is a...

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PMID: 1857207
DOI: 10.1111/j.1365-2958.1991.tb00757.x

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