NACHT, LRR and PYD domains-containing protein 1a (Nlrp1a)

As a possible sensor component of this NLRP1 inflammasome, plays an essential role in innate immunity and inflammation. In response to pathogens and other damage-associated signals, initiates the creation of the inflammasome polymeric complex, made of Nlrp1b, CASP1, and possibly PYCARD.

Recruitment of proCASP1 to the inflammasome promotes its activation and CASP1- catalyzed IL1B and IL18 maturation and secretion in the extracellular milieu. Activation of NLRP1 inflammasome is also required for HMGB1 secretion.