1. 
   pactamycin
   Antibiotic that inhibits translation by blocking the binding of initiator tRNA to the initiator complex.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   pactamycin
   <drug> Antibiotic that inhibits translation by blocking the binding of initiator tRNA to the initiator complex. ... (18 Nov 1997) ...
   Found op http://www.mondofacto.com/facts/dictionary?pactamycin
   
   

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