Host cell for expressing KCNQ1/KCNE1 protein and preparation method of host cell
A KCNE1, host cell technology, applied in the field of host cells expressing channel proteins and their preparation methods, can solve the problems of no observed cytotoxicity, rarely seen cytotoxicity, and little, etc., achieve good biological safety, improve The amount of drug screening, the effect of simple preparation
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[0054] 1. Construction of recombinant baculovirus vector
[0055] According to the full gene sequence of KCNQ1 [Homo sapiens potassium voltage-gated channel, KQT-like subfamily, member 1 (KCNQ1), NCBI Reference Sequence: NM_000218.2, the full gene sequence is shown in SEQ ID NO.1) and the full gene sequence of KCNE1 [ Homo sapiens potassium voltage-gated channel, Isk-related family, member 1 (KCNE1), NCBI Reference Sequence: NM_000219.3, full gene sequence as shown in SEQ ID NO.2], design its specific primers, wherein:
[0056] The upstream primer sequence of KCNQ 1: 5'-ACTGAATTCGCCACCATGGCCGCGGCCTCCTC-3', as shown in SEQ ID NO.3, contains an EcoRI restriction site;
[0057] The downstream primer sequence of KCNQ 1: 5'-CTGAAGCTTCAGGACCCCCTCATCGGGG-3', as shown in SEQ ID NO.4, contains a HindIII restriction site;
[0058] The upstream primer sequence of KCNE 1: 5'-ACTGAATTCGCCACCATGATCCTGTCTAACACCACAGCG G-3', as shown in SEQID NO.5, contains an EcoRI restriction site;
[0059...
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