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. Author manuscript; available in PMC: 2009 Aug 2.
Published in final edited form as: DNA Repair (Amst). 2008 Jun 26;7(8):1340–1351. doi: 10.1016/j.dnarep.2008.04.018

Figure 4.

Figure 4

Comparison of the structural differences seen in Family X BRCT domain loop regions. Secondary structural elements of Pol λ BRCT are shown in the background in light gray. (A). Superposition of the loop between β-strand 1 and α-helix 1 in Pol µ (PDB code 2DUN, maroon), TdT (PDB code 2COE, green), and Pol λ (PDB code 2JW5, blue). (B). Superposition of the loop between α-helix 2 and β-strand 4 in Pol µ (PDB code 2DUN, maroon), TdT (PDB code 2COE, green), and Pol λ (PDB code 2JW5, blue).