Repeat domain from surface fibrillar adhesin CshA. This domain forms several tandem repeats with high sequence identity. CshA is found primarily in streptococci species, but also in other Gram+ bacteria.

1: The Streptococcus gordonii Adhesin CshA Protein Binds Host Fibronectin via a Catch-Clamp Mechanism. Back CR, Sztukowska MN, Till M, Lamont RJ, Jenkinson HF, Nobbs AH, Race PR; J Biol Chem. 2017;292:1538-1549. PMID:27920201