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Cloning of a Full-length cDNA Encodingent-Kaurene Synthase fromGibberella fujikuroi: Functional Analysis of a Bifunctional Diterpene Cyclase
Author(s) -
Tomonobu Toyomasu,
Hiroshi Kawaide,
Atsuko ISHIZAKI,
Shoko Shinoda,
Minoru Otsuka,
Wataru Mitsuhashi,
Takeshi Sassa
Publication year - 2000
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.64.660
Subject(s) - complementary dna , gibberella fujikuroi , biology , diterpene , biochemistry , atp synthase , rapid amplification of cdna ends , microbiology and biotechnology , nucleic acid sequence , molecular cloning , gene , genetics , gibberellin
We report here the nucleotide sequence of a full-length cDNA encoding ent-kaurene synthase that was isolated by a reverse-transcription polymerase chain reaction from Gibberella fujikuroi (Gcps/ks). This cDNA encodes 952 amino acid residues with a relative molecular mass of 107 kDa. The sequence similarity between Gcps/ks and ent-kaurene synthase of the gibberellin A1-producing fungus, Phaeosphaeria sp. L487, is very high, suggesting that Gcps/ks is also a bifunctional diterpene cyclase. Its recombinant protein expressed in Escherichia coli converted geranylgeranyl diphosphate to copalyl diphosphate and ent-kaurene.

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