Sinonimi
ALK 1, ALK1, ALP, Antileukoprotease, Antileukoproteinase 1, Antileukoproteinase1, BLPI, Human seminal protease inhibitor, HUSI, HUSI 1, HUSI I, HUSI-1, MPI, Mucus proteinase inhibitor, Protease inhibitor WAP4, Secretory leukocyte peptidase inhibitor, Secretory leukocyte protease inhibitor, Seminal proteinase inhibitor, SLPI, SLPI_HUMAN, WAP four disulfide core domain protein 4, WAP four-disulfide core domain protein 4, WAP4, WFDC4