NMR STUDY OF DNA (5'-D(*GP*AP*AP*GP*CP*TP*TP*C)-3') SELF- COMPLEMENTARY DUPLEX COMPLEXED WITH ACTINOMYCIN D, MINIMIZED AVERAGE STRUCTURE ANTIBIOTIC/DNA, COMPLEX (DEOXYRIBONUCLEIC ACID/DRUG), DNA, ANTIBIOTIC/DNA COMPLEX 1DSC