"The calcium salt form of doxycycline exhibiting antimicrobial activity. Doxycycline blocks binding of aminoacyl-tRNA to the mRNA-ribosome complex, thereby inhibiting protein synthesis. In addition, this agent has exhibited inhibition of collagenase activity. (NCI)NCI" . . "C0282155"^^ . "C29008"^^ . . . "8ZL07I20SB"^^ . "Antibiotic"^^ . . "VibramycinBRNCI" . . "C22H24N2O8.2Ca"^^ . "Doxycycline_Calcium"^^ . . "Doxycycline Calcium"^^ . "DOXYCYCLINE CALCIUMPTFDA8ZL07I20SB" . "Doxycycline Calcium"^^ . "FDA"^^ . . "Carbohydrate"^^ . "94088-85-4"^^ . "Doxycycline CalciumPTNCI" .