| 摘要 |
The present invention relates to a vector for expressing a soluble glutaminyl cyclase (QC) containing a sequence encoding QC, a fusion protein tag upstream of the sequence encoding QC, and a linker having at least one (His)<SUB>x</SUB>-tag between the sequence encoding QC and the fusion protein tag, wherein x is an integer of at least 6. Methods for expressing a soluble glutaminyl cyclase (QC) by the vector of the present invention are also provided.
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