Antigen Peptide Transporter 1 (TAP1) Antibody

TAP is an integral transmembrane protein involved in the transport of antigens from the cytoplasm to the endoplasmic reticulum for association with MHC class I molecules. It also acts as a molecular scaffold for the final stage of MHC class I folding, namely the binding of peptide. Nascent MHC class I molecules associate with TAP via tapasin. TAP is inhibited by the covalent attachment of herpes simplex virus ICP47 protein, which blocks the peptide-binding site of TAP. It is inhibited by human cytomegalovirus US6 glycoprotein, which binds to the lumenal side of the TAP complex and inhibits peptide translocation by specifically blocking ATP-binding to TAP and prevents the conformational rearrangement of TAP induced by peptide binding. TAP is also inhibited by human adenovirus E3-19K glycoprotein, which binds the TAP complex and acts as a tapasin inhibitor, preventing MHC class I/TAP association. Expression of TAP is down-regulated by human Epstein-barr virus vIL-10 protein, thereby affecting the transport of peptides into the endoplasmic reticulum and subsequent peptide loading by MHC class I molecules. TAP1 and TAP2 form a heterodimer of TAP1 and TAP2, and the peptide-binding site is shared between the cytoplasmic loops of TAP1 and TAP2. TAP, inducible by interferon gamma, belongs to the ABC transporter family, MDR subfamily.

Target	Antigen Peptide Transporter 1 (TAP1)
Clonality	Polyclonal
Reactivity	Human
Tested Applications	ELISA, WB, IHC
Host	Rabbit
Recommended dilutions	WB: 1/2000, IHC-P: 1/50 - 1/100. Not tested in IHC-F. Optimal dilutions/concentrations should be determined by the end user.
Conjugation	Unconjugated
Immunogen	KLH-conjugated synthetic peptide between 765-794 amino acids from the C-terminal region of human TAP1.
Isotype	IgG
Form	Liquid
Purification	Purified through a protein G column, eluted with high and low pH buffers and neutralized immediately, followed by dialysis against PBS.
Storage	Aliquot and store at -20°C. Avoid repeated freeze/thaw cycles.
UniProt Primary AC	Q03518 (UniProt, ExPASy)
UniProt Secondary AC	Q16149, Q96CP4
UniProt Entry Name	TAP1_HUMAN
KEGG	hsa:6890
String	9606.ENSP00000346206
Molecular Weight	Calculated MW: 87.2 kDa
Buffer	PBS containing 0.09% sodium azide.
Availability	Shipped within 5-10 working days.
Note	This product is for research use only.

Research Articles on Antigen Peptide Transporter 1 (TAP1)

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