>tr|A0A391AF94|A0A391AF94_STAAU Serine protease OS=Staphylococcus aureus GN=splB MNKNVVIKSLATLTILTSVTGIGTTLVEEVQQTAKAENNVTKIQDTNIFPYTGVVAFKSA TGFVVGKNTILTNKHVSKNYKVGDRITAHPNSDKGNGGIYSIKKIINYPGKEDVSVIQVE ERAIERGPKGFNFNDNVTPFKYAAGAKAGERIKVIGYPHPYKNKYVLYESTGPVMSVEGS SIVYSAHTESGNSGSPVLNSNNELVGIHFASDVKNDDNRNAYGVYFTPEIKKFIAENIDK