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. 2021 Jul 27;12(8):1146. doi: 10.3390/genes12081146

Figure 1.

Figure 1

Overview of Polθ structure and function in DNA repair. (A) Schematic of full-length Polθ. (B) Polθ performs TLS enabling cellular tolerance to DNA damaging agents, such as ultraviolet light. (C) Polθ promotes MMEJ, which results in the error-prone repair of DSBs and resistance to ionizing radiation and topoisomerase inhibitors.