The isolation and characterization of the murine T cell antigen receptor ζ chain gene

M. Baniyash, V. W. Hsu, Michael F Seldin, R. D. Klausner

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

The T cell antigen receptor (TCR) is a multisubunit complex which has a dual function of antigen recognition and signal transduction. One of its invariant subunits, the ζ chain, has been shown to have a significant role in the expression and function of the TCR on the cell surface. The mouse and human ζ cDNAs share significant homologies to each other but are distinct from all of the previously characterized TCR components. We now report the isolation and structural analysis of the complete murine ζ gene. This gene spans at least 31 kilobases and divides into eight exons. The first exon, which is located at least 20 kilobases upstream from the second exon, codes for the 5'-untranslated region and most of the signal peptide. The second exon codes for the remainder of the signal peptide, the extracellular domain, the transmembrane domain, and the first three amino acids of the intracytoplasmic domain. Exons 3-7 encode the majority of the intracytoplasmic domain. The eight exon encodes the carboxyl-terminal 21 amino acids and the 3'-untranslated region. Four groups of mRNA initiation sites have been identified at approximately 140 base pairs upstream to the AUG codon. No TATA-like box has been detected. The gene is localized to the distal part of chromosome 1 in a linkage group highly conserved between man and mouse.

Original languageEnglish (US)
Pages (from-to)13252-13257
Number of pages6
JournalJournal of Biological Chemistry
Volume264
Issue number22
StatePublished - 1989
Externally publishedYes

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T-Cell Antigen Receptor
Exons
Genes
Protein Sorting Signals
Amino Acids
Signal transduction
TATA Box
5' Untranslated Regions
Chromosomes, Human, Pair 1
3' Untranslated Regions
Chromosomes
Structural analysis
Codon
Base Pairing
Signal Transduction
Complementary DNA
Antigens
Messenger RNA

ASJC Scopus subject areas

  • Biochemistry

Cite this

The isolation and characterization of the murine T cell antigen receptor ζ chain gene. / Baniyash, M.; Hsu, V. W.; Seldin, Michael F; Klausner, R. D.

In: Journal of Biological Chemistry, Vol. 264, No. 22, 1989, p. 13252-13257.

Research output: Contribution to journalArticle

Baniyash, M. ; Hsu, V. W. ; Seldin, Michael F ; Klausner, R. D. / The isolation and characterization of the murine T cell antigen receptor ζ chain gene. In: Journal of Biological Chemistry. 1989 ; Vol. 264, No. 22. pp. 13252-13257.
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