TY - RPRT TI - Lack of positional requirements for autonomously replicating sequence elements on artificial yeast chromosomes. AU - R J Wellinger AU - V A Zakian PY - 1989 DO - 10.1073/pnas.86.3.973 UR - https://pubmed.ncbi.nlm.nih.gov/2644653/ ID - 2644653 ER -