PILAR, or C-type lectin domain family 2 member A, is a human gene encoded by CLEC2A. It may also be known as: Keratinocyte-associated C-type lectin; KACL; Proliferation-induced lymphocyte-associated receptor; C-type lectin domain family 2, member A; INPE5792; UNQ5792. The encoded protein has an amino acid length of 174 and a mass of 20.0 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Mouse.