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. Author manuscript; available in PMC: 2012 Feb 8.
Published in final edited form as: Biochemistry. 2011 Jan 11;50(5):882–890. doi: 10.1021/bi101813h

Figure 1.

Figure 1

Schematic illustrating NER-dependent and -independent processing of ICLs observed in mammalian cell extracts (32). Interstrand crosslinks prevent mammalian NER enzymes from making incisions surrounding the crosslink. Instead, unknown repair enzyme activities are responsible for unhooking the two strands.