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Protein J. 2005 Nov;24(7-8):423-9.

Kiwellin, a novel protein from kiwi fruit. Purification, biochemical characterization and identification as an allergen*.

Author information

1
Institute of Protein Biochemistry, C.N.R., Via Pietro Castellino 111, I-80131, Napoli, Italy. m.tamburrini@ibp.cnr.it

Abstract

Kiwellin is a novel protein of 28 kDa isolated from kiwi (Actinidia chinensis) fruit. It is one of the three most abundant proteins present in the edible part of this fruit. Kiwellin has been purified by ion exchange chromatography. Its N-terminal amino acid sequence revealed high identity with that previously reported for a 28 kDa protein described as one of the most important kiwi allergens. This observation prompted us to fully characterize this protein. The complete primary structure, elucidated by direct sequencing, indicated that kiwellin is a cysteine-rich protein. Serological tests and Western Blotting analysis showed that kiwellin is specifically recognized by IgE of patients allergic to kiwi fruit.

PMID:
16328735
DOI:
10.1007/s10930-005-7638-7
[Indexed for MEDLINE]

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