Cloning and expression of a functional fucose‐specific lectin from an orange peel mushroom, Aleuria aurantia
- 3 July 1989
- journal article
- Published by Wiley in FEBS Letters
- Vol. 250 (2), 153-156
- https://doi.org/10.1016/0014-5793(89)80709-4
Abstract
Aleuria aurantia lectin (AAL) shows sugar‐binding specificity for L‐fucose. A λgt11 expression library was constructed from A. aurantia poly(A) RNA and screened with a polyclonal antiserum directed against AAL. An immunopositive clone carrying 1.3‐kb EcoRI fragment was obtained. The fragment encoded AAL, but lacked a nucleotide sequence corresponding to the two amino‐terminal amino acids. The 5′‐terminal part of the fragment was replaced with a chemically synthesized DNA fragment and inserted into an expression vector to yield a plasmid pKA‐1. Escherichia coli carrying pKA‐1 expressed functional AAL and the recombinant AAL showed the same immunological properties as those of natural AAL.Keywords
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