ACCEPTOR SPECIFICITIES OF ALPHA-MANNOSIDASES FROM JACK BEAN AND ALMOND, AND TRANSMANNOSYLATION OF BRANCHED CYCLODEXTRINS

被引:5
作者
HARA, K
FUJITA, K
NAKANO, H
KUWAHARA, N
TANIMOTO, T
HASHIMOTO, H
KOIZUMI, K
KITAHATA, S
机构
[1] OSAKA MUNICIPAL TECH RES INST, JYOTO KU, OSAKA, OSAKA 536, JAPAN
[2] MUKOGAWA WOMENS UNIV, FAC PHARMACEUT SCI, NISHINOMIYA, HYOGO 663, JAPAN
关键词
D O I
10.1271/bbb.58.60
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Jack bean alpha-mannosidase had a wide acceptor specificity and could transfer mannosyl residues to various accepters such as D-fructose, L-arabinose, maltose, lactose, and sucrose. The structures of the transferred products of branchd cyclodextrins (CDs) (glucosyl-beta CD, maltosyl-alpha CD, and maltosyl-beta CD) were found to be alpha-D-mannosyl-(1-->6)-alpha-D-glucosyl-(1-->6)-beta CD, alpha-D-mannosyl-(1-->6)-alpha-D-glucosyl-(1-->4)-alpha-D-glucosyl-(1-->6)-alpha CD and alpha-D-mannosyl-(1-->6)-alpha-D-glucosyl-(1-->4)-alpha-D-glucosyl-(1-->6)-beta CD, respectively. Almond alpha-mannosidase also produced the same transmannosylated products of branched CDs.
引用
收藏
页码:60 / 63
页数:4
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