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Báo cáo khoa học: The isopenicillin N acyltransferases of Aspergillus nidulans and Penicillium chrysogenum differ in their ability to maintain the 40-kDa ab heterodimer in an undissociated form

Chia sẻ: Nguyen Thang | Ngày: | Loại File: PDF | Số trang:11

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The isopenicillin N acyltransferases (IATs) ofAspergillus nidulansandPenicilliumchrysogenumdiffered in their ability to maintain the 40-kDa proacyltransferaseabheterodimer in an undissociated form. The native A. nidulansIAT exhibited a molecular mass of 40 kDa by gel filtration. The P. chrysogenumIATshowedamolecularmassof 29 kDaby gel filtration (corresponding to the b subunit of the enzyme) but the undissociated 40-kDa heterodimer was never observed even in crude extracts.

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Nội dung Text: Báo cáo khoa học: The isopenicillin N acyltransferases of Aspergillus nidulans and Penicillium chrysogenum differ in their ability to maintain the 40-kDa ab heterodimer in an undissociated form

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