Tags: Enzyme.
Dispersin B (also known as DspB or DispersinB) is a 40 kDa glycoside hydrolase produced by the periodontal pathogen Aggregatibacter actinomycetemcomitans. The bacteria secrete Dispersin B to release adherent cells from a mature biofilm colony by disrupting biofilm formation. The enzyme catalyzes the hydrolysis of linear polymers of N-acetyl-D-glucosamines found in the biofilm matrices.