標題: Vectors, Methods, Systems and Kits for Protein Purification
作者: Li Yaw-Kuen
Wu Yue-Jin
公開日期: 23-六月-2011
摘要: Disclosed herein are autocleaved peptide linkers for producing purified proteins. The autocleaved peptide linkers are inserted between a chitin binding protein (CBP) and a target protein to form a fusion protein. Upon expression of the fusion protein, it is allowed to pass a chitin matrix so that the CBP portion of the fusion protein may be bound with the chitin matrix, the peptide linker then undergoes auto-cleavage in a buffer solution at a pH value of about 5.5-7.5 to release the target protein. The chitin matrix may be regenerated with another buffer solution at a pH value of about 3-4, that is, to release the bound CBP and return to its unbound form. The chitin matrix may be reused for at least 6 times without losing its function.
官方說明文件#: C12P021/00
C12N015/63
C12N001/21
URI: http://hdl.handle.net/11536/105292
專利國: USA
專利號碼: 20110151514
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