A Streptococcus suis LysM domain protein (SS9-LysM) is expressed on surface.
SS9-LysM shares 41.2% identity with Group B Streptococcal protective antigen Sip.
SS9-LysM confers partial protection against Streptococcus suis infection.
SS9-LysM contributes to Streptococcus suis virulence in mouse model.
SS9-LysM facilitates Streptococcus suis survival by releasing more free iron from host.