Entry |
|
Name |
beta-apiosyl-beta-glucosidase;
isoflavonoid-7-O-beta[D-apiosyl-(1->6)-beta-D-glucoside] disaccharidase;
isoflavonoid 7-O-beta-apiosyl-glucoside beta-glucosidase;
furcatin hydrolase
|
Class |
Hydrolases;
Glycosylases;
Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
|
Sysname |
7-[beta-D-apiofuranosyl-(1->6)-beta-D-glucopyranosyloxy]isoflavonoid beta-D-apiofuranosyl-(1->6)-D-glucohydrolase
|
Reaction(IUBMB) |
7-[beta-D-apiofuranosyl-(1->6)-beta-D-glucopyranosyloxy]isoflavonoid + H2O = a 7-hydroxyisoflavonoid + beta-D-apiofuranosyl-(1->6)-D-glucose
|
Substrate |
7-[beta-D-apiofuranosyl-(1->6)-beta-D-glucopyranosyloxy]isoflavonoid;
H2O [CPD: C00001]
|
Product |
7-hydroxyisoflavonoid;
beta-D-apiofuranosyl-(1->6)-D-glucose
|
Comment |
The enzyme from the tropical tree Dalbergia nigrescens Kurz belongs in glycosyl hydrolase family 1. The enzyme removes disaccharides from the natural substrates dalpatein 7-O-beta-D-apiofuranosyl-(1->6)-beta-D-glucopyranoside and 7-hydroxy-2',4',5',6-tetramethoxy-7-O-beta-D-apiofuranosyl-(1->6)-beta-D-glucopyranoside (dalnigrein 7-O-beta-D-apiofuranosyl-(1->6)-beta-D-glucopyranoside) although it can also remove a single glucose residue from isoflavonoid 7-O-glucosides [2]. Daidzin and genistin are also substrates.
|
History |
EC 3.2.1.161 created 2006
|
Orthology |
K20852 | beta-apiosyl-beta-glucosidase |
|
Reference |
|
Authors |
Hosel W, Barz W. |
Title |
Beta-Glucosidases from Cicer arietinum L. Purification and Properties of isoflavone-7-O-glucoside-specific beta-glucosidases. |
Journal |
|
Reference |
|
Authors |
Chuankhayan P, Hua Y, Svasti J, Sakdarat S, Sullivan PA, Ketudat Cairns JR. |
Title |
Purification of an isoflavonoid 7-O-beta-apiosyl-glucoside beta-glycosidase and its substrates from Dalbergia nigrescens Kurz. |
Journal |
|
Reference |
|
Authors |
Ahn YO, Mizutani M, Saino H, Sakata K |
Title |
Furcatin hydrolase from Viburnum furcatum Blume is a novel disaccharide-specific acuminosidase in glycosyl hydrolase family 1. |
Journal |
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Sequence |
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Other DBs |
ExPASy - ENZYME nomenclature database: | 3.2.1.161 |
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