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Fig. 2 | Hereditary Cancer in Clinical Practice

Fig. 2

From: A rare large duplication of MLH1 identified in Lynch syndrome

Fig. 2

Graphic representation of the MLH1 structure describing the consequences and location of the MLH1 duplication and the frameshift variant. (a) MLH1 duplication of exons 4–13 in family A leads to a frameshift at amino acid 520 and a premature stop codon at amino acid 539. (b) MLH1 frameshift variant at amino acid 425 in family B leads to a premature stop codon at amino acid 491. Both variants lead to the deletion of the MLH1 C-terminal domain, which is needed for the MLH1-PMS2 heterodimerization

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