Recommended positive controls: 293T, A431, HeLa, HepG2, MCF-7, MDA-MB-231, Rat liver.
JAB-1 is a 38 kDa protein which was originally described as a coactivator for cJUN. It is present in a large protein complex called the "Signalosome", which has been proposed to play a signaling role in mammalian cells. This protein complex appears to be analogous to the COP9 complex in plants, which is important in light-mediated plant development. Although the specific function of JAB-1 in this complex is unclear, it has recently been implicated in targeting proteins for degradation by the proteasome.
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Protein Aliases: 38 kDa Mov34 homolog; COP9 (constitutive photomorphogenic) homolog, subunit 5; COP9 complex S5; COP9 constitutive photomorphogenic homolog subunit 5; COP9 signalosome complex subunit 5; Jun activation domain-binding protein 1; Jun coactivator; Kip1 C-terminus-interacting protein 2; MGC3149; SGN5; signalosome subunit 5; testis secretory sperm-binding protein Li 231m
Gene Aliases: AI303502; COPS5; CSN5; JAB1; Kic2; MOV-34; Mov34; SGN5
Molecular Function: transcription factor