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. 2001 Aug 15;29(16):3413–3423. doi: 10.1093/nar/29.16.3413

Figure 1.

Figure 1

Proposed scheme for the formation of the two products resulting from BLM-induced H4′ abstraction. If oxygen adds into the radical, a 3′-phosphoglycolate lesion next to a 5′-phosphate end is generated. Under anaerobic conditions a 4′-keto abasic site results.