Polyphoshoinositide binding peptides for intracellular drug deli

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...

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435 4, 435 6, 435 721, 435 723, 435244, 514 15, 514 16, 530328, G01N 3353

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058467432

ABSTRACT:
Methods and compositions for facilitating the transport of a membrane-impermeable extracellular agent having an intracellular activity across the membrane of a cell are provided. The methods involve covalently coupling an amino terminal blocking group to a transport-mediating peptide to form a carrier molecule. The carrier molecule is covalently coupled to the extracellular agent to form a membrane-permeable prodrug. The transport-mediating peptides are highly basic and bind to polyphosphoinositides.

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