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Beta Actin Monoclonal antibody

Beta Actin Monoclonal Antibody for FC, IF, IHC, IP, WB,ELISA

Host / Isotype

Mouse / IgG2b


human, mouse, rat, hamster, zebrafish, monkey, dog and More (9)







Cat no : 66009-1-Ig


ACTB, Actin, actin, beta, Actin, cytoplasmic 1, B actin, Beta actin, F actin, PS1TP5BP1, β actin

Tested Applications

Positive WB detected inmulti-cells, Jurkat cells, A549 cells, CHO cells, HeLa cells
Positive IP detected inHeLa cells
Positive IHC detected inhuman kidney tissue, human brain tissue, human colon cancer tissue, human heart tissue
Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate buffer pH 6.0
Positive IF detected inMDCK cells, HepG2 cells
Positive FC detected inHeLa cells
Planning an IF experiment? We recommend our CoraLite®488 and CoraLite®594 conjugated versions of this antibody.

Recommended dilution

Western Blot (WB)WB : 1:5000-1:50000
Immunoprecipitation (IP)IP : 0.5-4.0 ug for IP and 1:5000-1:50000 for WB
Immunohistochemistry (IHC)IHC : 1:20-1:2000
Immunofluorescence (IF)IF : 1:500-1:2000
Sample-dependent, check data in validation data gallery

Product Information

The immunogen of 66009-1-Ig is Beta Actin Fusion Protein expressed in E. coli.

Tested Reactivity human, mouse, rat, hamster, zebrafish, monkey, dog
Cited Reactivity Aedes albopictus, Arabidopsis, bovine, canine, chicken, Cyprinus carpio, dog, Drosophila, duck, fish
Host / Isotype Mouse / IgG2b
Class Monoclonal
Type Antibody
Immunogen Fusion Protein
Full Name actin, beta
Calculated molecular weight 42 kDa
Observed molecular weight 42 kDa
GenBank accession numberNM_001101
Gene symbol ACTB
Gene ID (NCBI) 60
Conjugate Unconjugated
Form Liquid
Purification Method Protein A purification
Storage Buffer PBS with 0.02% sodium azide and 50% glycerol pH 7.3.
Storage ConditionsStore at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage.

Background Information

Actins are highly conserved globular proteins that are involved in various types of cell motility and are ubiquitously expressed in all eukaryotic cells. At least six isoforms of actins are known in mammals and other vertebrates. Beta-actin (or β-actin) is a cytoskeletal actin isoform, highly conserved and ubiquitously expressed in eukaryotic organisms, making it a commonly used "housekeeping gene" in many laboratory techniques. It has been widely used as the internal control in RT-PCR and Western Blotting. The isotype of this antibody is IgG2b.


What is the molecular weight of beta-actin?

42 kDa


What is the function of beta-actin?

Actins are a key part of the cytoskeleton and are involved in cell motility, structure, and signaling, with beta-actin as part of the contractile apparatus. Beta-actin is located in the cytoplasm of non-muscle cells, particularly where the plasma membrane meets the cytoskeleton (PMID: 1993736) and is found co-distributed with alpha-actin (PMID: 9490838).


What are the applications for beta-actin?

As it is ubiquitously and constitutively expressed, beta-actin is a useful loading control in techniques such as RT-PCR and Western Blots to measure baseline expression and degradation. Beta-actin can be used as a reference gene to normalize mRNA or protein levels in quantitative studies of expression. Although some evidence suggests variation in tissue types and developing embryos (PMID: 23099774) if expression is stable across conditions, beta-actin is still considered by many to be a suitable gene for normalization.

Beyond its role as a housekeeping gene, it has been shown that beta-actin associates with endothelial nitric-oxide synthase (eNOS) and can therefore regulate nitric oxide activity in endothelial cells (PMID: 12734108).


What are the post-transcriptional modifications (PTMs) to beta actin?

Alterations to actin proteins can modulate their properties and function. While small molecules are known to alter actin, post-translational modifications such as phosphorylation and acetylation can also affect actin (PMID: 23195437). Modifications to actin have been associated with diseases including but not limited to age-related macular degeneration (PMID: 17652714), cardiovascular disease (PMID: 21232667), and Alzheimer's disease (PMID: 11246152). 

For murine tissue sample, conjugated antibody (HRP-66009) or rabbit antibody (20536-1-AP) is preferable.


Product Specific Protocols
WB protocol for Beta Actin antibody 66009-1-IgDownload protocol
IHC protocol for Beta Actin antibody 66009-1-IgDownload protocol
IF protocol for Beta Actin antibody 66009-1-IgDownload protocol
IP protocol for Beta Actin antibody 66009-1-IgDownload protocol
FC protocol for Beta Actin antibody 66009-1-IgDownload protocol
Standard Protocols
Click here to view our Standard Protocols



Proc Natl Acad Sci U S A

Cell-autonomous adiposity through increased cell surface GLUT4 due to ankyrin-B deficiency.

Authors - Damaris N Lorenzo

Mol Med Rep

Function of BRD4 in the pathogenesis of high glucose‑induced cardiac hypertrophy.

Authors - Qian Wang

J Cell Mol Med

Nucleoporin 107 facilitates the nuclear export of Scn5a mRNA to regulate cardiac bioelectricity.

Authors - Yi Guan

Mol Omics

Gene expression profile-based drug screen identifies SAHA as a novel treatment for NAFLD.

Authors - Zhujun Cheng

Front Pharmacol

Geniposide and Chlorogenic Acid Combination Ameliorates Non-alcoholic Steatohepatitis Involving the Protection on the Gut Barrier Function in Mouse Induced by High-Fat Diet.

Authors - Jing-Hua Peng

Front Immunol

β-TrCP Restricts Lipopolysaccharide (LPS)-Induced Activation of TRAF6-IKK Pathway Upstream of IκBα Signaling.

Authors - Jin Liu


The reviews below have been submitted by verified Proteintech customers who received an incentive forproviding their feedback.


Ambra (Verified Customer) (01-20-2021)

Works nicely.Used on Human brain lysates (temporal cortex).

  • Applications: Western Blot
  • Primary Antibody Dilution: 1:2000
  • Cell Tissue Type: Human brain lysate
Beta Actin Antibody Western Blot validation (1:2000 dilution) in Human brain lysate (Cat no:66009-1-Ig)

V (Verified Customer) (01-12-2021)

Very good product; signal is good

  • Applications: Western Blot

Yu Siong (Verified Customer) (07-30-2020)

Generate very consistent result for my porcine brain endothelial cells. The antibody at dilution of 1:5000 can be reused for multiple times.

  • Applications: Western Blot
  • Primary Antibody Dilution: 1:5000
  • Cell Tissue Type: porcine brain endothelial cells
Beta Actin Antibody Western Blot validation (1:5000 dilution) in porcine brain endothelial cells (Cat no:66009-1-Ig)

Magda (Verified Customer) (12-31-2019)

I needed to run a housekeeping gene control for my protein expression test. I was testing HEK293T cell lysates. My Lab did not have a proper AB, but a colleague from a lab next door borrowed me a sample from Proteintech. I was very happy with the results, they were consistent among my triplicate. I would purchase this AB but as a HRP conjugate, as it saves more time and provides cleaner results.

  • Applications: Western Blot,
  • Cell Tissue Type: HEK293T

Elisa (Verified Customer) (10-21-2019)

The antibody works very nicely, very clean and I used only 10 uL of protein.

  • Applications: Western Blot,
  • Primary Antibody Dilution: 1:5000
  • Cell Tissue Type: Cell line C2C12

Tracy Chih-Ting (Verified Customer) (09-24-2019)

I used this antibody for Hydra actin immunostaining. The outcome is quite good.

  • Applications: Immunofluorescence,
  • Primary Antibody Dilution: 1:500

Rui (Verified Customer) (09-02-2019)

Very specific and strong labeling in whole cell lysates.

  • Applications: Western Blot,
  • Primary Antibody Dilution: 1:5000
  • Cell Tissue Type: Cos-7

Huai-Chin (Verified Customer) (06-19-2019)

Very good anitbody. Works well in Western for various type of cells.

  • Applications: Western Blot,
  • Primary Antibody Dilution: 1:3000
  • Cell Tissue Type: Primary cells, various cell lines

Francesco (Verified Customer) (06-12-2019)

in the testing staining it kind of worked, even if with higher dilution it could work better.anyway further test should be done to confirm it.if results are reproducible it might be a valid alternative to more expensive antibody

  • Applications: Immunohistochemistry,
  • Primary Antibody Dilution: 1/1500
  • Cell Tissue Type: Brain cells

Kyosuke (Verified Customer) (06-05-2019)

This antibody works very well for Western blot using vascular tissue or cell lysates.

  • Applications: Western Blot,
  • Primary Antibody Dilution: 1/1000
  • Cell Tissue Type: aorta