Human NLR Family Pyrin Domain Containing 3 (NLRP3), also known as NALP3, Cold Autoinflammatory Syndrome 1 Protein (CIAS1), cryopyrin and PYPAF1 (Genbank Accession No. NM_004895), a.a. 2-1036(end), with N-terminal His-FLAG-tag and with GKT→AAA mutations at 231-233, expressed in a HEK293 expression system. MW = 120 kDa.