Difference between Penicillinase and Beta-lactamase

What is the difference between Penicillinase and Beta-lactamase?

Penicillinase as a noun is a specific type of beta-lactamase showing specificity for penicillins. while Beta-lactamase as a noun is an enzyme produced by certain bacteria, responsible for their resistance to beta-lactam antibiotics such as penicillin.

We hope you now know whether to use Penicillinase or Beta-lactamase in your sentence.