human ion channels k + and therapeutic applications thereof.

A nucleic acid molecule comprising a nucleic acid molecule encoding a (poly) peptide having a function of ion eag channel K human + with a single channel conductance in asymmetrical potassium at 0 mV of about 6 pS which is (a) a molecule nucleic acid comprising a nucleic acid molecule encoding the polypeptide having the amino acid sequence of SEQ ID NO 3 or 4; (B) a nucleic acid molecule comprising the nucleic acid molecule with the DNA sequence of SEQ ID NO: 13 or 14; (C) a nucleic acid molecule hybridizing to the complementary strand of a nucleic acid molecule of (a) or (b); or (d) a nucleic acid molecule being degenerate to the sequence of the nucleic acid molecule of (c).