Molecule

14-3-3 proteins

Pyrin inhibitory chaperones

Expression change
Reduced binding to mutant pyrin
Evidence level
established

Role in pathogenesis

14-3-3 epsilon and tau bind to phosphorylated pyrin (at Ser208/Ser242), preventing inflammasome assembly. This binding is substantially decreased in FMF-associated mutant pyrin, contributing to constitutive inflammasome activation.