A FSBM recombinant protein is disclosed. The FSBM recombinant protein comprises a first, a second, a third and a fourth peptide fragments. The first, second, third and fourth peptide fragments have amino acid sequences set forth as SEQ ID NOs: 1, 2, 3 and 4, respectively. A use of the FSBM recombinant protein for manufacturing a GCS vaccine is also disclosed.一種FSBM重組蛋白，係包含：一第一胜肽片段，具有如SEQ ID NO：1所示之胺基酸序列；一第二胜肽片段，具有如SEQ ID NO：2所示之胺基酸序列；一第三胜肽片段，具有如SEQ ID NO：3所示之胺基酸序列；及一第四胜肽片段，具有如SEQ ID NO：4所示之胺基酸序列。本發明另關於該FSBM重組蛋白用以製備C群鏈球菌之疫苗的用途。
