Directed DNA shuffling of retrovirus and retrotransposon integrase protein domains.
Qi X, Vargas E, Larsen L, Knapp W, Hatfield GW, Lathrop R, Sandmeyer S
PLoS One. 2013 May 17;8(5):e63957. doi: 10.1371/journal.pone.0063957. Print 2013.
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