Human Fucosyltransferase 3/5 (FUT3/5) Lumenal Domain Biotinylated Antibody

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Human Fucosyltransferase 3/5 (FUT3/5) Lumenal Domain Biotinylated Antibody Summary

Species Reactivity
Detects Fucosyltransferase 3/5 (FUT3/5) Lumenal Domain in Western blots.
Polyclonal Sheep IgG
Antigen Affinity-purified
Mouse myeloma cell line NS0-derived recombinant human Fucosyltransferase 3/5 (FUT3/5) Lumenal Domain
Accession # Q11128
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.


Recommended Concentration
Western Blot
0.1 µg/mL
Recombinant Human Fucosyltransferase 3/FUT3 (Catalog # 4950-GT)
Recombinant Human Fucosyltransferase 5/FUT5 (Catalog # 4949-GT)

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Reconstitution Calculator

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Preparation and Storage

Reconstitute at 0.2 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Fucosyltransferase 3/5 (FUT3/5)

FUT5 ( alpha -1, 3-fucosyltransferase 5; also Fuc-TV) is a 43 kDa member of the glycosyltransferase 10 family. It is responsible for the terminal step in the synthesis of Lex, sialyl‑Lex, and Lea antigens. This is accomplished by the transfer of fucose to preexisting LacNAc or sialyl-LacNAc structures. Human FUT5 is 374 amino acids (aa) in length. It is a type II transmembrane Golgi glycoprotein with a C-terminal lumenal domain (aa’s 35-374). The catalytic domain spans aa’s 77-374, while the acceptor-binding motif includes aa’s 120-126. FUT5 is the product of a single exon gene. Thus, there are no splice variants. FUT5 only occurs in primates; there is no rodent ortholog.

Entrez Gene IDs
2525 (Human)
Alternate Names
CD174; FT3B; Fucosyltransferase 3/5; FucT-III; LE; Les

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