| abstract |
According to the invention, a bacterial expression vector is provided which contains at least one nucleotide sequence which codes for a chimeric KcsA-Kv 1.3 potassium channel subunit in an arrangement which enables the functional expression in Escherichia coli, the nucleotide sequence being the one in SEQ ID NO: 1, 3, 5, 7, 9, 11, 13, 17, 19, 21 sequences shown or are homologs, mutants, derivatives or fragments thereof. |