Method of purifying putrescine n-methyltransferase from tobacco plant extract with an anion exchange medium

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专利权人:

PHILIP MORRIS INCORPORATED

发明人:

NAKATANI, HERBERT Y.,MALIK, VEDPAL S.

申请号：

US19930104493

公开号：

US5369023(A)

申请日:

1993.08.09

申请国别(地区):

美国

年份:

1994

代理人:

摘要：

There is provided highly purified tobacco putrescine N-methyltransferase, a process for its purification, and production of PMT DNA sequence. The purification process includes the step of applying a tobacco root extract to an anion exchange medium and specifically eluting putrescine N-methyltransferase with an elution buffer comprising putrescine.

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