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Studies on Lipase From Mucor Javanicus. I. Purification and Properties

Studies on Lipase From Mucor Javanicus. I. Purification and Properties

H Ishihara, H Okuyama, H Ikezawa, S Tejima

Biochim Biophys Acta. 1975 Jun 23;388(3):413-22.

PMID: 236783

Abstract:

1. Lipase produced by a mold, Mucor javanicus, was purified about 180-fold from the ethanol precipitate of the culture filtrate. Purification was achieved by acid precipitation followed by gel filtrations on Sephadex G-200 (at low ionic strength) and Sephadex G-75 (at a high ionic strength). The purified enzyme preparation showed unusual behavior on polyacrylamide gel electrophoresis. The molecular weight was estimated to be 21 000. The enzyme had a positional specificity towards the position 1 and 3 of triacylglycerols. 2. Lipase in the crude preparation takes an aggregated form. aggregated form was achieved by raising the ionic strength of the medium. 3. The purified lipase preparation from Mucor javanicus exhibits phospholipase A1 activity, hydrolyzing the carboxyl ester at the 1-position of phosphatidylcholine. This activity seems to be due to the action of the lipase itself and not due to any other specific phospholipases.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP9001621-J	Lipase from Mucor javanicus		9001-62-1	Price

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