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.

@article{Jerlstrm1991TheI,
  title={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.},
  author={Pierre Jerlstr{\"o}m and Gursharan Singh Chhatwal and K N Timrnis},
  journal={Molecular microbiology},
  year={1991},
  volume={5 4},
  pages={843-849}
}
The β antigen of the Ibc 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 β antigen gene shows that it encodes a preprotein having a molecular weight of 130963 daltons and a polypeptide of 1164 amino acid residues that is typical of other Gram-positive cell-wall proteins. There is a long signal sequence of 37 amino acids at the N-terminus. Four of the five C-terminal amino… CONTINUE READING

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