You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Abzyme is a/an: and explain in detail?
Abzyme is antibody acting as enzyme. It is a monoclonal antibody and is also called catalytic antibody or Catmab. Isozymes (Option 1): Physically distinct form of enzyme which catalyses same biochemical reaction. If species are different then isoenzymes are called alloenzymes. Allosteric enzymes (Option 4) or regulatory enzymes, unlike simple enzymes have regulatory/allosteric site ( other than the active site), where the regulator (activator/inhibitor) binds.