Tacrol 0.03% Ointment 10 gm tubeDescriptionTacrolimus is a macrolide immunomodulator produced by Streptomyces tsukubaensis. It has been demonstrated that Tacrolimus inhibits T-lymphocyte activation by first binding to an intracellular protein, FKBP-12. A complex of Tacrolimus-FKBP-12, calcium, calmo..