Discovery and characterisation of the automethylation properties of PRDM9
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A panel of lysine-to-alanine PRDM9 singlemutant
plasmids (K207A, K226A, K297A, K338A, K368A, K372A, K374A and K375A) were generated
through synthesis of DNA-coding sequences followed by insertion into the pET21a(+) expression vector via the
NdeI and BamHI insertion sites (GenScript).Inhibition assays of PRDM9 automethylation
were performed by pre-incubating 5 mM PRDM9 with varying concentrations of suramin (Sigma–Aldrich),
sinefungin (Sigma–Aldrich) or H3pNle (synthesised by GenScript) for 30 min at room temperature before the
addition of SAM. |
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