DNA
with Bound EcoR1

Six inactive EcoR1 restriction
enzymes bound to DNA.
D. P. Allison, P. S. Kerper,
M. J. Doktycz, T. Thundat, P. Modrich, F. W. Larimer, D. K. Johnson, P. R. Hoyt,
M. L. Mucenski, R. J. Warmack, "Mapping
Individual Cosmid DNAs by Direct AFM Imaging," Genomics, 41,
379 (1997).