• Product name

  • Description

    Rabbit polyclonal to ST3Gal I
  • Host species

  • Tested applications

    Suitable for: WB, IHC-Pmore details
  • Species reactivity

    Reacts with: Human
    Predicted to work with: Cow
  • Immunogen

    Recombinant fragment corresponding to Human ST3Gal I aa 1-165.

  • Positive control

    • 293T, A431, H1299 Cell lysate. HeLaS3 whole cell lysate (WB). Sections of serous OVCA (IF).
  • General notes

    Previously labelled as SIAT4A. 



Our Abpromise guarantee covers the use of ab96129 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
WB 1/500 - 1/3000. Predicted molecular weight: 39 kDa.
IHC-P 1/100.


  • Function

    It may be responsible for the synthesis of the sequence NeuAc-alpha-2,3-Gal-beta-1,3-GalNAc- found on sugar chains O-linked to Thr or Ser and also as a terminal sequence on certain gangliosides. SIAT4A and SIAT4B sialylate the same acceptor substrates but exhibit different Km values.
  • Tissue specificity

    Expressed in several tissues. Highest expression in lung, liver, skeletal muscle, kidney, pancreas, spleen and placenta.
  • Pathway

    Protein modification; protein glycosylation.
  • Sequence similarities

    Belongs to the glycosyltransferase 29 family.
  • Post-translational

    The soluble form derives from the membrane form by proteolytic processing.
  • Cellular localization

    Golgi apparatus > Golgi stack membrane. Secreted. Membrane-bound form in trans cisternae of Golgi. Secreted into the body fluid.
  • Information by UniProt
  • Database links

  • Alternative names

    • 3-GalNAc-alpha-2 antibody
    • 3-sialyltransferase 1 antibody
    • 3-sialyltransferase antibody
    • 3-ST 1 antibody
    • Alpha 2 antibody
    • Alpha 23 ST antibody
    • Beta galactoside alpha 23 sialyltransferase antibody
    • Beta-galactoside alpha-2 antibody
    • beta-galactoside alpha-2,3-sialyltransferase 1 antibody
    • CMP N acetylneuraminate beta galactosamide alpha 23 sialyltransferase antibody
    • CMP-N-acetylneuraminate-beta-galactosamide-alpha-2 antibody
    • DKFZp666E036 antibody
    • DKFZp779K2051 antibody
    • FLJ36548 antibody
    • Gal beta 13 GalNAc alpha 23 sialyltransferase antibody
    • Gal NAc6S antibody
    • Gal-beta-1 antibody
    • Gal-NAc6S antibody
    • MGC9183 antibody
    • OTTHUMP00000226912 antibody
    • OTTHUMP00000226913 antibody
    • SIA4A_HUMAN antibody
    • Sialyltransferase 4A antibody
    • SIAT4-A antibody
    • SIAT4A antibody
    • SIATFL antibody
    • ST3Gal I antibody
    • ST3GAL1 antibody
    • ST3GalA antibody
    • ST3GalA.1 antibody
    • ST3GalI antibody
    • ST3GalIA antibody
    • ST3O antibody
    see all


  • Anti-ST3Gal I antibody (ab96129) at 1/500 dilution + HeLa S3 whole cell lysate at 30 µg

    Predicted band size: 39 kDa

    12% SDS PAGE
  • ab96129 at 1/100 dilution staining ST3Gal I in paraffin-embedded serous OVCA by Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections).


This product has been referenced in:

  • Wen KC  et al. a2,3-sialyltransferase type I regulates migration and peritoneal dissemination of ovarian cancer cells. Oncotarget 8:29013-29027 (2017). WB, IHC . Read more (PubMed: 28423672) »
  • Li Y  et al. Alpha-2, 3-sialyltransferases regulate the multidrug resistance of chronic myeloid leukemia through miR-4701-5p targeting ST3GAL1. Lab Invest 96:731-40 (2016). Read more (PubMed: 27088512) »
See all 3 Publications for this product

Customer reviews and Q&As


Thank you for your enquiry. I can confirm that the protein database links on the datasheet (SwissProt and Unigene) indicate that SIAT4A is expressed in pancreas. However, I am sorry I have done a literature search and I am not able to confirm the expression level of SIAT4A specifically in panc-1 cells. Has the customer found any data or information to suggest there is expression of SIAT4A in panc-1 cells? They may like to try a more extensive literature search. If there is evidence in publications that it is expressed in panc-1, then I can suggest this would be a suitable positive control. Otherwise, I can suggest to try HeLaS3 cells. These cells are commonly used in cell culture laboratories, and perhaps the customer has some colleagues who would be able to provide a small sample for them to use? 293T and A431 are also commonly used and these would also be a suitable positive control. I hope this will be helpful to you. Should you have any further questions, please do not hesitate to contact us.

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