TY - JOUR AU - Stivers, J AU - Harris, T AU - Mildvan, A C2 - Biochemistry DA - 1997-12-01 LA - en M1 - 36 PB - Biochemistry PY - 1997 TI - Vaccinia DNA Topoisomerase I: Evidence Supporting a Free Rotation Mechanism for DNA Supercoil Relaxation ER -