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. 1986 May;83(9):2954–2958. doi: 10.1073/pnas.83.9.2954

Gene encoding T-cell-activating protein TAP maps to the Ly-6 locus.

H Reiser, E T Yeh, C F Gramm, B Benacerraf, K L Rock
PMCID: PMC323425  PMID: 3010324

Abstract

Recently we described two murine T-cell membrane proteins, TAP (T-cell-activating protein) and TAPa (TAP-associated protein). Previous experiments suggested that TAP is involved in physiologic T-cell activation. The subject of this report is a genetic analysis of these molecules. TAP and TAPa map to the Ly-6 locus. The relationship of these molecules to other antigens encoded in this locus is examined. Based on tissue distribution, molecular structure, and functional properties, TAP is distinct from any previously described Ly-6 antigen, whereas TAPa is probably identical to the 34-11-3 antigen. TAP and TAPa are coexpressed on all cell types examined so far. Moreover, comparative studies demonstrate a complex developmentally regulated pattern in the expression of molecules encoded in this locus.

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