Product Description: Cy5-UTP is a substrate for terminal deoxynucleotidyl transferase (TdT). Cy5-UTP can be used to lable RNA probes through in vitro transcription (Excitation/Emission: 650/665 nm). Cy5-labeled mRNA emits orange fluorescence[1][2].
Formula: C45H58N5O22P3S2
References: [1]Custer TC, et al. In vitro labeling strategies for in cellulo fluorescence microscopy of single ribonucleoprotein machines. Protein Sci. 2017 Jul;26(7):1363-1379./[2]Guerra CE. Analysis of oligonucleotide microarrays by 3' end labeling using fluorescent nucleotides and terminal transferase. Biotechniques. 2006 Jul;41(1):53-6.