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

883.14

C₄₀H₇₈N₁₄O₈

95088-49-6

PKKKRKV

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