Date published: 2025-11-24

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Transcobalamin II Antibody (A-5): sc-137017

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Datasheets
  • Transcobalamin II Antibody (A-5) is a mouse monoclonal IgG2b λ Transcobalamin II antibody, cited in 2 publications, provided at 200 µg/ml
  • raised against amino acids 168-427 mapping at the C-terminus of Transcobalamin II of human origin
  • Transcobalamin II Antibody (A-5) is recommended for detection of precursor and mature Transcobalamin II of human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-Transcobalamin II Antibody (A-5) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG2b BP-HRP is the preferred secondary detection reagent for Transcobalamin II Antibody (A-5) for WB and IHC(P) applications. This reagent is now offered in a bundle with Transcobalamin II Antibody (A-5) (see ordering information below).

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Transcobalamin II Antibody (A-5) is a mouse monoclonal IgG2b antibody that detects Transcobalamin II protein of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). Transcobalamin II (A-5) antibody is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. Transcobalamin II (TCII) plays a crucial role in vitamin B12 transport, a vital nutrient necessary for DNA synthesis and neurological function, by binding to cobalamin and facilitating cellular uptake. This transport mechanism maintains adequate vitamin B12 levels in tissues, as deficiencies can lead to severe neurological disorders and hematological issues. TCII protein is primarily synthesized in the liver and secreted into the bloodstream, where specific receptors on cell surfaces mediate vitamin internalization. Understanding TCII function is important not only for vitamin B12 transport but also for implications in various diseases, including megaloblastic anemia and neurological disorders associated with vitamin B12 deficiency.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

Transcobalamin II Antibody (A-5) References:

  1. Cobalamin (vitamin B12) binding, phylogeny, and synteny of human transcobalamin.  |  Kalra, S., et al. 2004. Arch Biochem Biophys. 431: 189-96. PMID: 15488467
  2. Influence of cobalamin deficiency compared with that of cobalamin absorption on serum holo-transcobalamin II.  |  Chen, X., et al. 2005. Am J Clin Nutr. 81: 110-4. PMID: 15640468
  3. Evaluation of transcobalamin II polymorphisms as neural tube defect risk factors in an Irish population.  |  Swanson, DA., et al. 2005. Birth Defects Res A Clin Mol Teratol. 73: 239-44. PMID: 15782407
  4. Elevation of serum transcobalamin II in patients with scrub typhus.  |  Cheeramakara, C., et al. 2005. Southeast Asian J Trop Med Public Health. 36: 113-7. PMID: 15906652
  5. Mapping the functional domains of human transcobalamin using monoclonal antibodies.  |  Fedosov, SN., et al. 2005. FEBS J. 272: 3887-98. PMID: 16045759
  6. Study of four genes belonging to the folate pathway: transcobalamin 2 is involved in the onset of non-syndromic cleft lip with or without cleft palate.  |  Martinelli, M., et al. 2006. Hum Mutat. 27: 294. PMID: 16470748
  7. Polymorphism C776G in the transcobalamin II gene and homocysteine, folate and vitamin B12 concentrations. Association with MTHFR C677T and A1298C and MTRR A66G polymorphisms in healthy children.  |  Aléssio, AC., et al. 2007. Thromb Res. 119: 571-7. PMID: 16820193
  8. Pyrosequencing assay for genotyping of the Transcobalamin II 776C>G polymorphism.  |  Böttiger, AK. and Nilsson, TK. 2007. Scand J Clin Lab Invest. 67: 247-51. PMID: 17366004
  9. Measuring holotranscobalamin II, an early indicator of negative vitamin B12 balance, by radioimmunoassay in patients with ischemic cerebrovascular disease.  |  Serefhanoglu, S., et al. 2008. Ann Hematol. 87: 391-5. PMID: 17992530

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Transcobalamin II Antibody (A-5)

sc-137017
200 µg/ml
$316.00

Transcobalamin II Antibody (A-5): m-IgG2b BP-HRP Bundle

sc-548668
200 µg Ab; 10 µg BP
$354.00

Transcobalamin II Antibody (A-5) AC

sc-137017 AC
500 µg/ml, 25% agarose
$416.00

Transcobalamin II Antibody (A-5) HRP

sc-137017 HRP
200 µg/ml
$316.00

Transcobalamin II Antibody (A-5) FITC

sc-137017 FITC
200 µg/ml
$330.00

Transcobalamin II Antibody (A-5) PE

sc-137017 PE
200 µg/ml
$343.00

Transcobalamin II Antibody (A-5) Alexa Fluor® 488

sc-137017 AF488
200 µg/ml
$357.00

Transcobalamin II Antibody (A-5) Alexa Fluor® 546

sc-137017 AF546
200 µg/ml
$357.00

Transcobalamin II Antibody (A-5) Alexa Fluor® 594

sc-137017 AF594
200 µg/ml
$357.00

Transcobalamin II Antibody (A-5) Alexa Fluor® 647

sc-137017 AF647
200 µg/ml
$357.00

Transcobalamin II Antibody (A-5) Alexa Fluor® 680

sc-137017 AF680
200 µg/ml
$357.00

Transcobalamin II Antibody (A-5) Alexa Fluor® 790

sc-137017 AF790
200 µg/ml
$357.00

I am using Transcobalamin II (A-5): sc-137017 monoclonal antibody to stain paraffin embedded tissue. Do you recommend antigen retrieval when using this antibody?

Asked by: jenniferc
We recommend performing antigen retrieval with sodium citrate buffer (pH 6) and heat. The full protocol can be found here: https://www.scbt.com/scbt/resources/protocols/immunoperoxidase-staining
Answered by: Technical Support
Date published: 2023-05-02
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Rated 3 out of 5 by from IHC for triple negative breast cancerI got a sample for testing this antibody for IHC. The pattern seems cytoplasmic and membrane.
Date published: 2017-10-26
Rated 3 out of 5 by from Get a barely satisfactory result after attempt.I applied the sample 3 months ago, and I used it in western blot in a ratio 1:1000. I got the better result after several times.
Date published: 2017-08-10
Rated 5 out of 5 by from Very Versatile AntibodyThis antibody is well-cited for a variety of applications including WB, IP, IF, and even IHC and ELISA. Strong, clear signal with little to no background. Beautiful tissue staining.
Date published: 2017-02-03
Rated 5 out of 5 by from Exceptional immunoperoxidase cytoplasmicExceptional immunoperoxidase cytoplasmic staining in formalin fixed, paraffin-embedded human bronchus tissue. -SCBT QC
Date published: 2015-01-08
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Transcobalamin II Antibody (A-5) is rated 4.2 out of 5 by 5.
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