TY - RPRT TI - lac Operator nucleosomes. 1. Repressor binds specifically to operator within the nucleosome core. AU - M V Chao AU - J D Gralla AU - H G Martinson PY - 1980 DO - 10.1021/bi00555a024 UR - https://pubmed.ncbi.nlm.nih.gov/6250557/ ID - 6250557 ER -