The antibody HTF-14 recognizes an epitope located in the N-terminal domain of human serum transferrin, a 77 kDa single polypeptide chain glycoprotein (member of the iron binding family of proteins). It is synthesised in the liver and consists of two domains each having a high affinity reversible binding site for Fe3+.
No Cross-Reactivity
Cow, Dog, Horse, Sheep
Cross-Reactivity (Details)
Human, Rabbit, Porcine
Purification
Purified by protein-A affinity chromatography.
Purity
> 95 % (by SDS-PAGE)
Endotoxin Level
Endotoxin level is less than 0.01 EU/µg of the protein, as determined by the LAL test.
Functional application: The antibody HTF-14 blocks binding of transferrin to its receptor. Immunohistochemistry (paraffin sections): Recommended dilution: 10 μg/mL, positive tissue: placenta. Western blotting: non-reducing conditions, recommended dilution: 1-2 μg/mL.
Restrictions
For Research Use only
Concentration
1 mg/mL
Buffer
Phosphate buffered saline (PBS), pH 7.4
Preservative
Azide free
Storage
4 °C
Storage Comment
Store at 2-8°C. Do not freeze.
Nováková, Dráberová, Schürmann, Czihak, Viklický, Dr-aber: "gamma-Tubulin redistribution in taxol-treated mitotic cells probed by monoclonal antibodies." in: Cell motility and the cytoskeleton, Vol. 33, Issue 1, pp. 38-51, (1996) (PubMed).
Bártek, Viklický, Stratil: "Phylogenetically more conservative epitopes among monoclonal antibody-defined antigenic sites of human transferrin are involved in receptor binding." in: British journal of haematology, Vol. 59, Issue 3, pp. 435-41, (1985) (PubMed).
Bártek, Viklický, Fran?k, Angelisová, Dráber, Jarosíková, N?mec, Verlová: "Monoclonal antibodies against transferrin. Precipitating mixtures and lack of inter-species cross-reactivity." in: Immunology letters, Vol. 4, Issue 5, pp. 231-5, (1982) (PubMed).
Transferrin,Transferrin is a monomeric glycoprotein of approximately 77 kDa, which serves as an iron-transporter. In normal plasma, transferrin has a concentration of 25-50 µmol / liter, and is usually about one-third saturated with iron, thus providing a large buffering capacity in case of an acute increase in plasma iron levels. Cells take up transferrin-iron complexes (holotransferrin) using transferrin receptor dimers. Upon binding of holotransferrin, the receptor is internalized by clathrin-mediated endocytosis. Acidification of endosomes by vesicular membrane proton pumps leads to dissociation of iron ions, whereas transferrin (apotransferrin) remains associated with its receptor (CD71) and recycles to the cell surface, where apotransferrin is released upon exposure to normal pH. Internalization of labeled transferrin thus represents an usefull approach to study endocytosis. Serum concentration rises in iron deficiency and pregnancy and falls in iron overload, infection and inflammatory conditions. Iron/transferrin complex is essential in haemoglobin synthesis and for certain types of cell division.,TFQTL1, PRO1557, PRO2086