sp|Q49XN1|CTPAL_STAS1 Probable CtpA-like serine protease OS=Staphylococcus saprophyticus subsp. saprophyticus (strain ATCC 15305 / DSM 20229 / NCIMB 8711 / NCTC 7292 / S-41) OX=342451 GN=SSP1319 PE=3 SV=1