345805.fig.001a
(a)
345805.fig.001b
(b)
345805.fig.001c
(c)
345805.fig.001d
(d)
345805.fig.001e
(e)
Figure 1: Some of the major damaged termini of free radical-mediated DNA strand breaks. (a) 3′-phosphoglycolate (PG). (b) 3′-phosphoglycoaldehyde. (c) 3′-formyl phosphate. (d) 3′-keto-2′-deoxynucleotide. (e) 5′-aldehyde.