Anti-Rubicon RUBCN Antibody

Two Beclin-1-interacting proteins, the run domain Beclin-1 interacting and cysteine-rich containing protein (Rubicon) and ATG14L, reciprocally regulate autophagy at different stages. Knockdown of Rubicon caused enhancement of autophagy while that of ATG14L caused a defect in autophagosome formation (1) . Rubicon functions as part of a Beclin-1-PIK3C3-containing autophagy complex and is also an essential, positive regulator of the NAPDH oxidase complex (2) . Upon microbial infection or TLR2 activation, Rubicon interacts with the CYBA subunit of the NAPDH oxidase complex, leading to a burst of reactive oxygen species and inflammatory cytokines (2) .

Rubicon antibody was raised against a 16 amino acid peptide near the amino terminus of human Rubicon. The immunogen is located within amino acids 240 - 290 of Rubicon.

Inhibits PIK3C3 activity; under basal conditions negatively regulates PI3K complex II (PI3KC3-C2) function in autophagy. Negatively regulates endosome maturation and degradative endocytic trafficking and impairs autophagosome maturation process. Can sequester UVRAG from association with a class C Vps complex (possibly the HOPS complex) and negatively regulates Rab7 activation (PubMed:20974968, PubMed:21062745) .