PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8290340-1 1993 The Fos and Jun family of transcription factors contain an invariant sequence motif lysine-cysteine-arginine (KCR) in the highly conserved DNA-binding region. lysylcysteylarginine 110-113 Fos proto-oncogene, AP-1 transcription factor subunit Homo sapiens 4-7