The invention relates to the field of microbiology, specifically to a combination of a source of a first enzymatic active domain and a source of a second enzymatic active domain and to a composition comprising said combination. The invention further relates to a composition comprising said combination for use as a medicament, to the use of said composition as an antimicrobial agent and to a method for controlling microbial contamination in a food- or feed product, on and/or in food- or feed processing equipment, on and/or in food- or feed containers.