PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2010090-1 1991 The human T cell-specific transcription factor TCF-1 alpha plays a key role in the tissue-specific activation of the T cell receptor (TCR) C alpha enhancer and binds to pyrimidine-rich elements (5"-PyCTTTG-3") present in a variety of other T cell-specific control regions. pyrimidine 169-179 lymphoid enhancer binding factor 1 Homo sapiens 47-58