| 1. | Adverse effects of other polypeptide antibiotics include kidney and nerve damage when given by injection.
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| 2. | Tyrothricin belongs to the pharmacologically related group of polypeptide antibiotic compounds including colistin, polymyxin B and bacitracin.
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| 3. | Colistin is a mixture of the cyclic polypeptides colistin A and B and belongs to the class of polypeptide antibiotics known as polymyxins.
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| 4. | The mechanism of action of other polypeptide antibiotics is thought to be directed to bacterial membranes, but the details are largely unknown.
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