NLS (PKKKRKV) TFA is a nuclear localization signal (NLS) derived from the simian virus 40 large tumor antigen (SV40 large T antigen). NLS (PKKKRKV) TFA can function as a method to enhance nuclear entry in the field of gene transfer research^[1][2].

NLS (PKKKRKV) TFA is the minimum nuclear localization signals (NLS) of SV40 T antigen^[1].

997.16

C₄₂H₇₉F₃N₁₄O₁₀

PKKKRKV

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