1MST:
reference: Crystal structures of MS2 capsids with mutations in the subunit FG loop., Stonehouse NJ, Valegard K, Golmohammadi R, van den Worm S, Walton C, Stockley PG, Liljas L, J Mol Biol 1996 Feb 23;256(2):330-9. PMID: 8594200

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