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TID 1 (Tumerous Imaginal Discs 1)

Cat no: T5498-55A

TID 1 (Tumerous Imaginal Discs 1)

Human Tid-1 is a human orthologue of the Drosophila tumor suppressor lethal (2) tumorous imaginal discs, l (2) tid and is a member of the DnaJ family of proteins that serve as co-chaperones to Hsp70 proteins (1). These proteins are characterized by a J domain, a highly conserved tetrahelical domain that binds to Hsp70 chaperones and activates their ATPase activity. Hsp70 and their associated chaperones mediate a variety of activities including the folding of newly synthesized polypeptides, the translocation of proteins across membranes and assembly of multimeric protein complexes. Two alternatively spliced variants exist for human Tid-1, designated hTID-1s and hTID-1L, both which contain the J domain, localize to the mitochondrial matrix, and co-immunoprecipitate with Hsp70. Expression of Tid-1L increases apoptosis induced by the DNA damaging agent mitomycin c (MMC) and by TNF-a, and that activity is dependent on its J domain. In contrast, expression of Tid-1s reduces apoptosis by these agents. Tid-1 orthologues are also found in mouse (mTid-1) and rat (rTid-1) (2,3). The mouse orthologue was originally identified though its interaction with p120 GTPase-activating protein (GAP), raising the possiblity that Tid-1 helps regulate the confirmation, activity, or subcellular localization of GAP (3).\n\nApplications: \nSuitable for use in Western Blot, Immunoprecipitation. Other applications not tested.\n\nRecommended Dilution:\nWestern Blot: 1:1000\nImmunoprecipitation: 1:100\nOptimal dilutions to be determined by the researcher.\n\nStorage and Stability:\nMay be stored at 4 degrees C for short-term only. For long-term storage, store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

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SPECIFICATIONS

Catalog Number

T5498-55A

Size

100ul

Applications

IP, WB

Hosts

Mouse

Reactivities

Hum, Mouse, Rat

Form

Supplied as a liquid in 10mM sodium HEPES, pH 7.5,, 150 mM NaCl, 100ug/ml BSA and 50% glycerol.

P Type

Mab

Purity

Ascites

Isotype

IgM

References

(1) Syken, J. et al. (1999) Proc. Natl. Acad. Sci. USA 96, 8499-8504. (2) Fujita, M. et al. (2004) Mol. Cell Biochem. 258, 183

Additional Info

Detects endogenous levels of the short and long variants of Tid-1.

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