期刊
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY
卷 64, 期 1, 页码 44-51出版社
TAYLOR & FRANCIS LTD
DOI: 10.1271/bbb.64.44
关键词
base-non-specific ribonuclease; Lentinus edodes; primary structure; ribonuclease; peptide rich in serine and threonine
The mushroom Lentinus edodes produces three base-non-specific and acid ribonucleases, RNases Le2, Le37, and Le45. The latter two are excreted from mycelia into the medium. The primary structure of RNase Le37, which had a molecular mass of 37 kDa, was sequenced, It was a member of the RNase T2 family, as is RNase Le2, RNase Le37 was some 30 amino acid residues longer at the C-terminal end than RNase Le2. The C-terminal region of RNase Le37 was rich in O-glycosylated serine and threonine. In fungal glucoamylases and chitinases, which hydrolyze raw-starch and chitin, respectively, have structures resembling the structure of the C-terminal of RNase Le37.
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