FK 506 is a type of :: (A) Immunoglobulin antibody, (B) Non-depolarizing muscle relaxant, (C) Macrolide antibiotic, (D) Opioid anaesthetic
Answer is C. Tacrolimus is also known as FK-506. It is an immunosuppressant macrolide antibiotic produced by Streptomyces tsukubaensis.
Muromonab CD3 is also known as OKT3. It is a monoclonal antibody against CD3 cells.