>gnl|mdb|bmrb6373:1 catalytic domain of LexA L89P/Q92W/D150H/E152A/K156A mutant LLQEEEEGLPLVGRVAAGEPLPAQWHIEGHYQVDPSLFKPNADFLLRVSGMSMKDIGIMDGDLLAVHKTQDVRNGQVVVA RIHDAVTVARLKKQGNKVELLPENSEFKPIVVDLRQQSFTIEGLAVGVIRNGDWL