"470241"^^ . "C1744619"^^ . "TetracyclinesSYNCI" . "CHEBI:26895"^^ . "Tetracycline_Antibiotic"^^ . "Tetracycline Antibiotic"^^ . "Chemical Viewed Functionally"^^ . . "C1595"^^ . . . "470241"^^ . "Carbohydrate"^^ . "Tetracycline AntibioticPTNCI" . "Tetracycline Antibiotic"^^ . "Any of a group of broad spectrum naphthacene antibiotics isolated from various species of Streptomyces or produced semisynthetically. In bacteria, tetracycline antibiotics block binding of aminoacyl-tRNA to the mRNA-ribosome complex, thereby inhibiting protein synthesis. (NCI05)NCI" . "Tetracycline AntibioticsSYNCI" .