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ER-mScarlet probe mRNA (Cap-1; m1Ψ) encodes a fusion protein composed of an endoplasmic reticulum (ER) targeting sequence and mScarlet, a red fluorescent protein that displays absorbance and emission maxima of 569 and 594 nm, respectively.1 It is capped using a co-transcriptional capping method, resulting in the naturally occurring Cap-1 structure with high capping efficiency. ER-mScarlet probe mRNA is also polyadenylated and modified with N1-methylpseudouridine (m1Ψ) to reduce the host cell immune response and enhance mRNA stability. It can be used in the study of ER structure and function in live cells. Encapsulation of ER-mScarlet probe mRNA (Cap-1; m1Ψ) in lipid nanoparticles (LNPs) can be used for mRNA delivery and expression of ER-mScarlet.
WARNING This product is not for human or veterinary use.
1. mScarlet: A bright monomeric red fluorescent protein for cellular imaging. Nat. Methods 14(1), 53-56 (2017).