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Key Documents

MABT826

Sigma-Aldrich

Anti-Actin Antibody, clone 2G2

clone 2G2, from mouse

Synonyme(s) :

Actin, alpha skeletal muscle, Actin, Alpha-actin-1, G-actin, Nuclear actin

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About This Item

Code UNSPSC :
12352203
eCl@ss :
32160702
Nomenclature NACRES :
NA.41

Source biologique

mouse

Niveau de qualité

Forme d'anticorps

purified immunoglobulin

Type de produit anticorps

primary antibodies

Clone

2G2, monoclonal

Espèces réactives

rat, human, frog, rabbit, mouse, chicken, monkey

Technique(s)

immunocytochemistry: suitable
western blot: suitable

Isotype

IgMκ

Numéro d'accès UniProt

Conditions d'expédition

wet ice

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... ACTA1(58)

Description générale

Actin, alpha skeletal muscle (UniProt P68135; also known as Alpha-actin-1) is encoded by the ACTA1 (also known as ACTA) gene (Gene ID 100009506) in Oryctolagus cuniculus (Rabbit) species. Actins exist in a variety of structural states, depending on the specific ionic conditions or the interaction with ligand proteins. The oligomeric and polymeric forms that actin molecules assume are dependent on the distinct conformations they adopt. Research indicates distinct actin conformations/structures in the nucleus and the cytoplasm of different cell types and that their distribution varies in response to external signals. In additon to serving as the basic building blocks of cytoskeletal microfilaments, actins are involved in multiple nuclear functions and adopt specific conformations that are important for their association with nuclear actin-binding proteins.

Spécificité

Clone 2G2 recognizes a tripartite epitope identified in a region of the actin monomer (G-actin) that is not exposed on the surface of filamentous F-actin, but is accessible on the surface of profilin-complexed actin molecule (Gonsior, S.M., et al. (1999). J. Cell Sci. 112 (Pt 6):797-809).

Immunogène

Epitope: Nonsequential epitope formed by regions within a.a. 104-226.
Reconstituted complex of rabbit skeletal muscle actin and calf thymus profilin.

Application

Anti-Actin Antibody, clone 2G2 is an antibody against Actin for use in Immunocytochemistry, Western Blotting.
Immunocytochemistry Analysis: 5.0 µg/mL from a representative lot detected Actin in serum-starved C2C12 mouse myoblasts.
Immunocytochemistry Analysis: A representative lot showed fixation-dependent cellular staining by fluorescent immunocytochemistry. Clone 2G2 stained nuclear dot-like structures, but not cytoplasmic myofibrils and stress-fibers (MF & SF) in formaldehyde-fixed chicken and mouse myogenic cells, while MF & SF, but not nuclei staining was seen in methanol-fixed chicken cardiac myocytes, fibroblasts, and in vitro differentiated chicken skeletal muscle myotubes (Gonsior, S.M., et al. (1999). J. Cell Sci. 112 (Pt 6):797-809).
Immunocytochemistry Analysis: A representative lot detected nuclear actin immunoreactivity in formaldehyde-fixed COS and NIH-3T3 fibrobastic cells, normal rat kidney NRK epithelial cells, and Xenopus oocytes by fluorescent immunocytochemistry (Gonsior, S.M., et al. (1999). J. Cell Sci. 112 (Pt 6):797-809).
Immunocytochemistry Analysis: A representative lot, when microjected into FH12 rat fibroblasts prior to formaldehyde fixation, showed dot-like staining of cytoplasmic actin monomer (G-actin), but not the microfilament (e.g. myofibrils and stress-fibers) structures (F-actin) seen with FITC-phalloidin staining (Gonsior, S.M., et al. (1999). J. Cell Sci. 112 (Pt 6):797-809).
Immunocytochemistry Analysis: A representative lot detected subnuclear compartmentalized ss-actin immunoreactive foci in onion (Allium cepa) cells by immunofluorescent confocal microscopy (Cruz, J.R., et al. (2009). Chromosoma. 118(2):193-207).
Immunocytochemistry Analysis: A representative lot detected actin immunoreactivity in the nucleus, in the submembraneous actin web, and at the filopodia tips by fluorescent immunocytochemistry staining of fixed rat fibroblasts and HeLa cells (Jockusch, B.M., et al. (2006). Trends Cell Biol. 16(8):391-396).
Western Blotting Analysis: A representative lot showed a broad-spectrum species (rabbit, chicken, mouse) reactivity against SDS-denatured actins (alpha, beta and gamma) by Western blotting. However, clone 2G2 displayed no reactivity toward slime mold (Physarum polycephalum) actin or actins from muscle tissues of several invertebrate species (Gonsior, S.M., et al. (1999). J. Cell Sci. 112 (Pt 6):797-809).
Western Blotting Analysis: A representative lot detected actin in all soluble and insoluble fractions of onion (Allium cepa) nuclei preparations (Cruz, J.R., et al. (2009). Chromosoma. 118(2):193-207).
Western Blotting Analysis: A representative lot detected an internal actin fragment corresponding to a.a. 104-226 of rabbit skeletal muscle alpha-actin obtained by limited proteolytic digestion (Gonsior, S.M., et al. (1999). J. Cell Sci. 112 (Pt 6):797-809).
Research Category
Cell Structure
Research Sub Category
Cytoskeleton

Qualité

Evaluated by Immunocytochemistry in serum-starved HeLa cells.

Immunocytochemistry Analysis: 5.0 µg/mL of this antibody detected Actin in serum-starved HeLa cells.

Description de la cible

~42 kDa calculated

Forme physique

Format: Purified
Purified mouse monoclonal IgMκ antibody in PBS with 0.05% sodium azide.

Stockage et stabilité

Stable for 1 year at 2-8°C from date of receipt.

Autres remarques

Concentration: Please refer to lot specific datasheet.

Clause de non-responsabilité

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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