Immunogen sequence: LSQYYGAGVA RDPGFRSNFR RQNGAALTSA SILAQQVWGT LVLLQRLEPV HLQLQCMSQE QLAQVAANAT KEFTEAFLGC PAIHPRCRWG AAPYRGRPKL L. Peptidoglycan recognition proteins, such as PGRPL, are part of the innate immune system and recognize peptidoglycan, a ub