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Key Documents

T9826

Sigma-Aldrich

Anti-TGN38 antibody produced in rabbit

~1 mg/mL, affinity isolated antibody, buffered aqueous solution

Synonym(s):

Anti-MGC108592, Anti-TGOLN2, Anti-TTGN1, Anti-Trans-golgi network protein 2

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen ~38 kDa

species reactivity

rat

concentration

~1 mg/mL

technique(s)

indirect immunofluorescence: 5-10 μg/mL using rat NRK cells

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

General description

Trans-Golgi network integral membrane protein 2 (TGOLN2), also known as trans-Golgi network 46 (TGN46), is encoded by the gene mapped to human chromosome 2p11.2. It is a heterodimeric type I integral membrane protein. TGOLN2 has a highly conserved N terminus which consists of a signal peptide. The C terminus comprises part of the lumenal domain, a membrane spanning region and cytoplasmic tail.

Specificity

Anti-TGN38 recognizes rat TGN38

Immunogen

Synthetic peptide corresponding to amino acid residues of rat TGN38 with C-terminal added cysteine, conjugated to KLH.

Application

Anti-TGN38 antibody produced in rabbit has been used in immunoblotting and immunocytochemistry.
Anti-TGN38 antibody produced in rabbithas been used in
  • immunofluorescence
  • western blotting

Biochem/physiol Actions

Trans-Golgi network integral membrane protein 2 (TGOLN2) cycles between the trans-Golgi network (TGN) and the cell surface via an early endosomal compartment. This movement is mediated by a tyrosine-based tetra peptide signal (SDYQRL) in the cytoplasmic domain. It plays an important role in the formation of exocytic vesicles at the TGN by functioning as a receptor for complexes of a cytoplasmic protein known as p62 and one GTP-binding protein. The cytoplasmic domain of TGOLN2 binds to the complex and is essential for budding process. It mediates the coupling of the segregation of secretory proteins to the budding of exocytic vesicles. The cytosolic domain of TGOLN2 interacts with AP2 clathrin adaptor complexes and also with the coiled coil region of a protein called neurabin.

Target description

TGN38 (Trans-Golgi network protein, 38-kDa) is a resident integral membrane protein of the trans-Golgi network (TGN), which cycles constitutively between the TGN and the plasma membrane, returning via endosomes.

Physical form

Solution in 0.01 M phos­phate buffered saline, pH 7.4, containing 15 mM sodium azide.

Storage and Stability

For continuous use, store at 2-8 °C for up to one month. For extended storage, freeze in working aliquots. Repeated freezing and thawing, or storage in “frostfree” freezers, is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilutions should be discarded if not used within 12 hours.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Primate homologues of rat TGN38: primary structure, expression and functional implications.
Ponnambalam S
Journal of Cell Science, 109, 675-685 (1996)
Molecular cloning and expression of a novel human trans-Golgi network glycoprotein, TGN51, that contains multiple tyrosine-containing motifs.
Kain R
The Journal of Biological Chemistry, 273, 981-988 (1998)
SORCS1 is necessary for normal insulin secretory granule biogenesis in metabolically stressed betacells
Kebede MA, et al.
The Journal of Clinical Investigation, 124(10), 4240-4256 (2014)
Clara-Marie Gürth et al.
Scientific reports, 10(1), 20576-20576 (2020-11-27)
Neurons are highly asymmetric cells that span long distances and need to react promptly to local demands. Consequently, neuronal secretory pathway elements are distributed throughout neurites, specifically in post-synaptic compartments, to enable local protein synthesis and delivery. Whether and how
TGN38/41: a molecule on the move.
Stanley KK and Howell KE
Trends in Cell Biology, 3, 252-255 (1993)

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