WB, IP
H
Endogenous
40
Rabbit IgG
#Q07820
4170
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:50 |
Storage
Specificity / Sensitivity
Species Reactivity:
Human
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Thr163 of human Mcl-1 protein.
Background
Mcl-1 is an anti-apoptotic member of the Bcl-2 family originally isolated from the ML-1 human myeloid leukemia cell line during phorbol ester-induced differentiation along the monocyte/macrophage pathway (1). Similar to other Bcl-2 family members, Mcl-1 localizes to the mitochondria (2), interacts with and antagonizes pro-apoptotic Bcl-2 family members (3), and inhibits apoptosis induced by a number of cytotoxic stimuli (4). Mcl-1 differs from its other family members in its regulation at both the transcriptional and posttranslational level. First, Mcl-1 has an extended amino-terminal PEST region, which is responsible for its relatively short half-life (1,2). Second, unlike other family members, Mcl-1 is rapidly transcribed via a PI3K/Akt dependent pathway, resulting in its increased expression during myeloid differentiation and cytokine stimulation (1,5-7). Mcl-1 is phosphorylated in response to treatment with phorbol ester, microtubule-damaging agents, oxidative stress, and cytokine withdrawal (8-11). Phosphorylation at Thr163, the conserved MAP kinase/ERK site located within the PEST region, slows Mcl-1 protein turnover (10) but may prime the GSK-3 mediated phosphorylation at Ser159 that leads to Mcl-1 destabilization (11). Mcl-1 deficiency in mice results in peri-implantation lethality (12). In addition, conditional disruption of the corresponding mcl-1 gene shows that Mcl-1 plays an important role in early lymphoid development and in the maintenance of mature lymphocytes (13).
- Kozopas, K.M. et al. (1993) Proc Natl Acad Sci USA 90, 3516-20.
- Yang, T. et al. (1995) J Cell Biol 128, 1173-84.
- Sato, T. et al. (1994) Proc Natl Acad Sci USA 91, 9238-42.
- Zhou, P. et al. (1997) Blood 89, 630-43.
- Wang, J.M. et al. (1999) Mol Cell Biol 19, 6195-206.
- Jourdan, M. et al. (2003) Oncogene 22, 2950-9.
- Chao, J.R. et al. (1998) Mol Cell Biol 18, 4883-98.
- Domina, A.M. et al. (2000) J Biol Chem 275, 21688-94.
- Inoshita, S. et al. (2002) J Biol Chem 277, 43730-4.
- Domina, A.M. et al. (2004) Oncogene 23, 5301-15.
- Maurer, U. et al. (2006) Mol Cell 21, 749-60.
- Rinkenberger, J.L. et al. (2000) Genes Dev 14, 23-7.
- Opferman, J.T. et al. (2003) Nature 426, 671-6.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: Western Blotting IP: Immunoprecipitation
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
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