FEBS Letters 1995-09-11

Limited proteolysis of Hansenula polymorpha yeast amine oxidase: isolation of a C-terminal fragment containing both a copper and quino-cofactor.

J Plastino, J P Klinman

Index: FEBS Lett. 371(3) , 276-8, (1995)

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Abstract

Limited proteolysis of recombinant Hansenula polymorpha yeast amino oxidase produces a 48 kDa fragment which corresponds to the C-terminal two-thirds of the protein. The fragment contains both TOPA (2,4,5-trihydroxyphenylalanine) and copper, as well as the histidine ligands implicated in copper binding. The fragment is proposed to be the domain responsible for cofactor production in yeast amine oxidase.

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