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Immunohistochemical analysis of paraffin-embedded human breast carcinoma using Acetyl-CoA Carboxylase (C83B10) Rabbit mAb #3676 in the presence of control peptide (left) or Acetyl-CoA Carboxylase Blocking Peptide #1062 (right).

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Immunohistochemical analysis of paraffin-embedded human colon carcinoma, using Acetyl CoA Carboxylase Antibody in the presence of control peptide (left) or antigen-specific peptide (right).

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Product Description

This peptide is used to block Acetyl-CoA Carboxylase (C83B10) Rabbit mAb #3676 or Acetyl-CoA Carboxylase Antibody #3662 reactivity by immunohistochemistry and Western blot.


Quality Control

The quality of the peptide was evaluated by reversed-phase HPLC and by mass spectrometry. The peptide blocks Acetyl-CoA Carboxylase (C83B10) Rabbit mAb #3676 and Acetyl-CoA Carboxylase Antibody #3662 by immunohistochemistry and Western blot.

Product Usage Information

Use as a blocking reagent to evaluate the specificity of antibody reactivity in immunohistochemistry protocols. For immunohistochemistry, add twice the volume of peptide as volume of antibody used in 100 μl total volume. Incubate for a minimum of 30 minutes prior to adding the entire volume to the slide. Recommended antibody dilutions can be found on the product data sheet.


Storage: Supplied in 20 mM potassium phosphate (pH 7.0), 50 mM NaCl, 0.1 mM EDTA, 1 mg/ml BSA and 5% glycerol. Store at –20°C.

Acetyl-CoA carboxylase (ACC) catalyzes the carboxylation of acetyl-CoA to malonyl-CoA (1). It is the key enzyme in the biosynthesis and oxidation of fatty acids (1). In rodents, the 265 kDa ACC1 (ACCα) form is primarily expressed in lipogenic tissues, while 280 kDa ACC2 (ACCβ) is the main isoform in oxidative tissues (1,2). However, in humans, ACC2 is the predominant isoform in both lipogenic and oxidative tissues (1,2). Phosphorylation by AMPK at Ser79 or by PKA at Ser1200 inhibits the enzymatic activity of ACC (3). ACC is a potential target of anti-obesity drugs (4,5).


1.  Castle, J.C. et al. (2009) PLoS One 4, e4369.

2.  Kreuz, S. et al. (2009) Diabetes Metab Res Rev 25, 577-86.

3.  Ha, J. et al. (1994) J Biol Chem 269, 22162-8.

4.  Abu-Elheiga, L. et al. (2001) Science 291, 2613-6.

5.  Levert, K.L. et al. (2002) J Biol Chem 277, 16347-50.


Entrez-Gene Id 31, 32
Swiss-Prot Acc. Q13085, O00763


For Research Use Only. Not For Use In Diagnostic Procedures.
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