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Effect of site directed mutations on oligomerization and lytic activity.
A. SDS‐PAGE of Ni‐NTA‐purified endolysins showing copurification of tCBD, lane 1, Marker, lane 2, wild‐type CTP1L, lane 3, mutant CTP1L‐M263R, lane 4, mutant CTP1L‐D215A, FL, full‐length endolysin, tCBD, copurified free CBD domain; B. lytic activity of CTP1L‐M263R; C. lytic activity of CTP1L‐D215A. Results are the mean of duplicate assays ± SD.
