5LK4:
reference: mScarlet: a bright monomeric red fluorescent protein for cellular imaging., Bindels DS, Haarbosch L, van Weeren L, Postma M, Wiese KE, Mastop M, Aumonier S, Gotthard G, Royant A, Hink MA, Gadella TW Jr, Nat Methods. 2016 Nov 21. doi: 10.1038/nmeth.4074. PMID: 27869816

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