Control Antibodies

Highly cited control antibodies

The proteins that normally serve as internal controls in your research may not always take center stage, but they are indispensable for conducting meaningful research, most notably for the proper interpretation of Western blots. 

Loading control proteins and protein tags provide a reference to evaluate the changes in expression levels of target proteins and help to ensure that any increase or decrease in target protein levels is due to your experimental manipulations, and not due to errors in the Western blot procedure.

Proteintech control antibodies are $189 each for a 150ul size vial.

View all Loading Control antibodies


Small selection of popular controls
Antibody Catalog number Type Applications
Alpha Tubulin 66031-1-Ig Mouse Mono ELISA, WB, IHC, IF, FC
Beta Tubulin 66240-1-Ig Mouse Mono ELISA, WB, IHC, IF, IP
Gamma tubulin 66320-1-Ig Mouse Mono ELISA, WB, IF
Beta Actin 66009-1-Ig Mouse Mono ELISA, IHC, WB, FC, IP, IF
GAPDH 60004-1-Ig Mouse Mono ELISA, WB, IHC, IF, IP, FC
6 HIS-TAG 66005-1-Ig Mouse Mono ELISA, WB, IF, IP
FLAG-TAG 66008-2-Ig Mouse Mono ELISA, WB
GFP-TAG 66002-1-Ig Mouse Mono ELISA, WB, IF, IP
MBP-TAG 66003-1-Ig Mouse Mono ELISA, WB, IP
MYC - TAG 60003-2-Ig Mouse Mono ELISA, IF, IP, WB
Vinculin 66305-1-Ig Mouse Mono ELISA, WB, IF, IHC, FC
TBP 66166-1-Ig Mouse Mono ELISA, WB, IP, IHC, IF

Featured Product Focus


Catalog number: 60004-1-Ig

This enzyme is commonly used as a protein loading control in Western blotting due to it's consistently high expression in most cell types. GAPDH participates in several cellular events such as glycolysis, DNA repair and apoptosis.


Beta actin  
Catalog number: 66009-1-Ig  

Actins provide structural integrity and mediate contraction, motility and trafficking in cells. Beta-actin is a non-muscle, cytoskeletal actin isoform, expressed in a uniform manner in most cell types, making it a good internal control in Western blotting experiments.


Terms and conditions:

  • This promotion cannot be used in conjunction with any other promotional offer.
  • This discount only applies to the antibodies stated above. Custom production antibodies and any other pre-made antibodies from our catalog are not included.
  • This promotional offer is only available to customers based in the USA.
  • This promotion is valid until December 31, 2024.
  • Shipping costs still apply. 
  • This promotional offer is subject to availability.
  • Proteintech reserves the right to end the promotion at any time.