FAQ: Can T4 RNA Ligase 1 be used to end label single stranded DNA or RNA?

T4 RNA Ligase 1 can be used for 3' end labeling of ssRNA. Terminal Transferase (#M0315) can be used for 3' end labeling of ssDNA. T4 PNK (#M0201) can be used for 5' end labeling of ssDNA.