An enhancer-blocking element ( BEAD-1 , for blocking element alpha/delta 1 ) was localized to a 2 . 0-kb region 3' of TCR delta gene segments and 5' of TCR alpha joining gene segments within this locus .
an enhancer-blocking element ( bead-1 , for blocking element alpha/delta 1 ) was localized to a 2 . 0-kb region 3' of tcr delta gene segments and 5' of tcr alpha joining gene segments within this locus .
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