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Robert Campbell
Carlson et al

Circular permutated red fluorescent proteins and calcium ion indicators based on mCherry.

Carlson HJ, Campbell RE
Protein Eng Des Sel. 2013 Dec;26(12):763-72. doi: 10.1093/protein/gzt052. Epub 2013 Oct 22. (Link opens in a new window) PubMed (Link opens in a new window) Article