Ko te Cal he heterodimer, kei te Mrp 8 me MrP 14. Kei roto i te neutrophils cytoplasm me te whakaatu i nga membrane pūtau monona. Ko te Cal te pūmua Pahi, he pai te waa e tika ana mo te wiki kotahi i te taha o te taangata tangata, ka whakatauhia kia waiho hei tohu mate mate kirika. Ko te kete he maamaa, he whakamātautau semiqualitive e kitea ana e Cal i roto i nga taangata tangata, he nui te kitenga me te tino motuhake. Ko te whakamatautau i runga i nga kaupapa tuatahi antibodies me te hangarau miihini miihini koura memenochromographics, ka taea e ia te hua i roto i te 15 meneti.