Actin is a major cytoskeletal protein involved in diverse cellular functions including cell motility, adhesion, and morphology. Six different actin isoforms have been identified in vertebrates. There are four α isoforms: skeletal, cardiac, and two smooth muscle (enteric and aortic) actins, along with two cytoplasmic actins (β and γ). Actin exists in two principal forms, globular, monomeric (G) actin, and filamentous polymeric (F) actin. The assembly and disassembly of actin filaments, and also their organization into functional networks, is regulated by a variety of actin-binding proteins (ABPs). Phosphorylation may also be important for regulating actin assembly and interaction with ABPs. In Dictyostelium, phosphorylation of Tyr-53 occurs in response to cell stress and this phosphorylation may alter actin polymerization. In B cells, SHP-1 tyrosine dephosphorylation of actin leads to actin filament depolymerization following BCR stimulation.
References
Western blot analysis of mouse C2C12 cells untreated (lanes 1 & 3), or treated with pervanadate (1 mM) for 30 min (lanes 2 & 4). The blot was probed with anti-Actin (N-terminal) antibody (lanes 1 & 2) or anti-Actin (Tyr-53) antibody (lanes 3 & 4).
Formalin fixed, citric acid treated parafin sections of E18 mouse skeletal muscle. Sections were probed with anti-Actin (AM2021) then anti-Mouse:HRP before detection using DAB. (Images provided by Carl Hobbs and Dr. Pat Doherty at King"s College London).
The products are are safely shipped at ambient temperature for both domestic and international shipments. Each product is guaranteed to match the specifications as indicated on the corresponding technical data sheet. Please store at -20C upon arrival for long term storage.
*All molecular weights (MW) are confirmed by comparison to Bio-Rad Rainbow Markers and to western blotmobilities of known proteins with similar MW.
Product References:
AM2021 Dutta, P et al. (2014) J Neurochem. 130(3):360 WB: rat brainAM2021 Muirhead, G et al. (2014) J Mol Neurosci. 53(1):125 WB: rat brainAM2021 Pritchard, AJ et al. (2014) PLoS One. 9(6):e99444 WB: mouse splenocytesRS3251 Kawasaki, H. et al. (2013) World J Gastroenter. 19(17):2629. WB, ICC: mouse intestinal myofibroblastsAP1671 Vonach, C. et al. (2011) British J Cancer. 105:263. WB: human endothelial cellsMS3001 Estrada-Bernal, A. et al. (2011) J Neurooncol. 102:353. Western BlotRS3251 Estrada-Bernal, A. et al. (2011) J Neurooncol. 102:353. Western BlotThis kit contains:
| CATALOG# | DESCRIPTION | SIZE | APPLICATIONS | SPECIES REACTIVITY | MW (kDa) |
AP1651 | Actin (N-terminal region) Rabbit pAb | 50 μl | WB, E, IP, ICC, IHC | Hu, Rt, Ms, Ck | 42 |
AP1671 | Actin (Tyr-53), phospho-specific Rabbit pAb | 50 μl | WB, E, ICC | Hu, Rt, Ms, Ck | 42 |
AM2021 | Actin (C-terminal region) Mouse mAb | 50 μl | WB, E, ICC, IHC | Hu, Rt, Ms, Ck | 42 |
MS3001 | Anti-Mouse Ig:HRP Donkey pAb | 100 μl | WB, E | Ms | |
RS3251 | Anti-Rabbit Ig Light-Chain Specific:HRP Mouse mAb | 100 μl | WB, E, ICC, IHC | Rb |
KIT SUMMARY
The actin phospho-regulation kit can be used to examine phosphorylation of Ty-53 compared to the total expression of actin. The kit includes rabbit polyconal and mouse monoclonal antibodies to detect total actin, and secondary reagents for rabbit polyclonal and mouse monoclonal antibody detection.
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