Binding of a DNA fragment ( 674 707 ) ( 5 ' CTAGACTTGCTCAAGGTCGCGCTGGGTTTTTTTCCCT 3 ' containing a C/__NODE__ binding site from mutant __NODE__ gene ( A695T C696T C697T A698T G699T A700T G701T ) intron 1 and protein occurs in nuclear extract from __SP__ liver cells .