A protein that is a translation product of the human CLU gene or a 1:1 ortholog thereof.

Synonyms: TRPM-2 CLI apolipoprotein J CLU clustrin SGP-2 AAG4 APOJ NA1/NA2 testosterone-repressed prostate message 2 complement-associated protein SP-40,40 Ku70-binding protein 1 apo-J aging-associated gene 4 protein sulfated glycoprotein 2 KUB1 Msgp-2 complement cytolysis inhibitor