Recombinant Human TAP1, N-His

Reference: YHF99501
Product nameRecombinant Human TAP1, N-His
Origin speciesHuman
Expression systemEukaryotic expression
Molecular weight33.24 kDa
BufferLyophilized from a solution in PBS pH 7.4, 0.02% NLS, 1mM EDTA, 4% Trehalose, 1% Mannitol.
FormLiquid
Delivery conditionDry Ice
Delivery lead time in business days3-5 days if in stock; 3-5 weeks if production needed
Storage condition4°C for short term (1 week), -20°C or -80°C for long term (avoid freezing/thawing cycles; addition of 20-40% glycerol improves cryoprotection)
BrandAntibodySystem
Host speciesEscherichia coli (E.coli)
Fragment TypeTyr525-Glu808
Aliases /SynonymsTAP1, APT1, Peptide transporter involved in antigen processing 1, Really interesting new gene 4 protein, Peptide transporter TAP1, Peptide transporter PSF1, RING4, Antigen peptide transporter 1, PSF-1, ABCB2, Y3, Peptide supply factor 1, PSF1, ATP-binding cassette sub-family B member 2
ReferenceYHF99501
NoteFor research use only.

Description of Recombinant Human TAP1, N-His

Introduction

Recombinant Human TAP1, also known as Transporter Associated with Antigen Processing 1, is a protein that plays a crucial role in the immune system. It is a member of the ATP-binding cassette (ABC) transporter family and is involved in the transport of peptides from the cytoplasm into the endoplasmic reticulum (ER). This process is essential for the presentation of antigens to the immune system and is crucial for the activation of T cells. In this article, we will discuss the structure, activity, and applications of Recombinant Human TAP1.

Structure of Recombinant Human TAP1

Recombinant Human TAP1 is a transmembrane protein consisting of 808 amino acids. It has two transmembrane domains, each with six transmembrane segments, and two nucleotide-binding domains (NBDs). The NBDs are responsible for the binding and hydrolysis of ATP, which is essential for the transport of peptides. The two transmembrane domains are connected by a large cytoplasmic loop, which contains the binding site for peptides. The structure of Recombinant Human TAP1 is similar to that of other ABC transporters, such as P-glycoprotein and CFTR.

Activity of Recombinant Human TAP1

Recombinant Human TAP1 is primarily involved in the transport of peptides from the cytoplasm into the ER. This process is essential for the presentation of antigens to the immune system. Antigens are small molecules that are recognized by the immune system as foreign and can elicit an immune response. These antigens are broken down into smaller peptides by proteases in the cytoplasm. These peptides are then transported into the ER by Recombinant Human TAP1, where they are further processed and loaded onto major histocompatibility complex (MHC) molecules. The MHC-peptide complex is then presented on the surface of cells and recognized by T cells, which triggers an immune response.

In addition to its role in antigen presentation, Recombinant Human TAP1 also plays a role in the transport of viral peptides. Viruses often evade the immune system by producing proteins that block the function of Recombinant Human TAP1, preventing the presentation of viral peptides. Recombinant Human TAP1 is also involved in the transport of other small molecules, such as drugs and toxins, out of cells.

Applications of Recombinant Human TAP1

Recombinant Human TAP1 has several applications in both research and medicine. It is commonly used in the study of antigen processing and presentation, as well as in the development of vaccines. Recombinant Human TAP1 can also be used to study the role of ABC transporters in drug resistance and drug transport.

In medicine, Recombinant Human TAP1 has potential applications in the treatment of cancer and infectious diseases. As mentioned earlier, viruses often evade the immune system by blocking the function of Recombinant Human TAP1. By targeting Recombinant Human TAP1, it may be possible to enhance the immune response against viral infections. In cancer, Recombinant Human TAP1 can be used to enhance the presentation of tumor antigens, which can help in the development of immunotherapies.

Conclusion

Recombinant Human TAP1 is a crucial protein involved in the transport of peptides for antigen presentation. Its structure consists of two transmembrane domains and two NBDs, and its activity is essential for the activation of T cells and the immune response. Recombinant Human TAP1 has various applications in research and medicine, including the study of antigen processing and presentation, drug resistance, and the development of immunotherapies. Further research on Recombinant Human TAP1 may lead to new treatments for cancer and infectious diseases.

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