rdf:type |
|
lifeskim:mentions |
umls-concept:C0006556,
umls-concept:C0009015,
umls-concept:C0017355,
umls-concept:C0020792,
umls-concept:C0034693,
umls-concept:C0034721,
umls-concept:C0439855,
umls-concept:C0449432,
umls-concept:C0664943,
umls-concept:C1179435,
umls-concept:C1524073,
umls-concept:C1548799,
umls-concept:C1705248,
umls-concept:C1706853,
umls-concept:C1879748
|
pubmed:issue |
1
|
pubmed:dateCreated |
2001-4-10
|
pubmed:databankReference |
|
pubmed:abstractText |
During the assembly of major histocompatibility complex (MHC) class I molecules transient associations are formed with the endoplasmic reticulum resident chaperones calnexin and calreticulin, ERp57 oxidoreductase, and also with tapasin, the latter mediating binding of the class I molecules to the transporter associated with antigen processing (TAP). We report here the isolation of a cDNA encoding rat tapasin from a DA (RT1av1) library. The cDNA encodes a proline-rich (11.3%) polypeptide of 464 residues with a potential ER-retention KK motif at its COOH-terminus, and a predicted molecular mass of 48 kDa. Matrix-assisted laser-desorption ionisation (MALDI) mass spectrometry of peptides derived from in-gel tryptic digestion of a TAP-associated protein match regions of the predicted translation product. A species of the correct molecular mass and predicted pl was also identified in association with radiolabelled immunoprecipitates of the rat TAP complex analysed by two-dimensional gel electrophoresis. This confirms rat tapasin as a component of the rat MHC class I assembly complex.
|
pubmed:language |
eng
|
pubmed:journal |
|
pubmed:citationSubset |
IM
|
pubmed:chemical |
|
pubmed:status |
MEDLINE
|
pubmed:month |
Feb
|
pubmed:issn |
1466-4879
|
pubmed:author |
|
pubmed:issnType |
Print
|
pubmed:volume |
2
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
48-51
|
pubmed:dateRevised |
2006-11-15
|
pubmed:meshHeading |
pubmed-meshheading:11294569-Amino Acid Sequence,
pubmed-meshheading:11294569-Animals,
pubmed-meshheading:11294569-Antiporters,
pubmed-meshheading:11294569-Cloning, Molecular,
pubmed-meshheading:11294569-DNA, Complementary,
pubmed-meshheading:11294569-Electrophoresis, Gel, Two-Dimensional,
pubmed-meshheading:11294569-Histocompatibility Antigens Class I,
pubmed-meshheading:11294569-Humans,
pubmed-meshheading:11294569-Immunoglobulins,
pubmed-meshheading:11294569-Membrane Transport Proteins,
pubmed-meshheading:11294569-Mice,
pubmed-meshheading:11294569-Molecular Sequence Data,
pubmed-meshheading:11294569-Rats,
pubmed-meshheading:11294569-Sequence Homology, Amino Acid
|
pubmed:year |
2001
|
pubmed:articleTitle |
Rat tapasin: cDNA cloning and identification as a component of the class I MHC assembly complex.
|
pubmed:affiliation |
Molecular Immunology Programme, The Babraham Institute, Cambridge, UK.
|
pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
|