Clumping factor B is an MSCRAMM (Microbial Surface Components Recognizing Adhesive Matrix Molecules). Features of the sequence, but also of other MSCRAMM adhesins, include a long run of Ser-Asp dipeptide repeats and a C-terminal cell wall anchoring LPXTG motif.
Jiyao W et al.(2023). "The conserved domain database in 2023.",