STARCH DEBRANCHING ENZYMES

摘要

Disclosed are isolated nucleic acids comprising nucleotide sequences which encode a polypeptide which have the properties of isoamylases, which are starch debranching enzymes, and are obtainable from Solanum tuberosum (e.g. amino acid sequence shown in any one of SEQ ID Nos. 4, 5 or 6, encoded by nucleic acid SEQ ID Nos. 1, 2, or 3). Also disclosed are variants of the same, and methods for isolating or producing these, plus also corresponding polypeptides and antibodies. Further aspects of the invention include vectors, transformed cells, and transgenic plants containing the nucleic acids of the present invention, plus also starches having modified branching characteristics and methods and materials for producing and using the same.