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Literature summary for 3.2.1.161 extracted from

  • Hosel, W.; Barz, W.
    beta-Glucosidases from Cicer arietinum L. Purification and properties of isoflavone-7-O-glucoside-specific beta-glucosidases (1975), Eur. J. Biochem., 57, 607-616.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
4-nitrophenol 1 mM, 25% inhibition Cicer arietinum
Ag+ 1 mM, 80% inhibition Cicer arietinum
D-glucono-1,5-lactone 1 mM, 50% inhibition Cicer arietinum
ethyleneglycol monomethyl ether weak Cicer arietinum
glycerol weak Cicer arietinum
Hg2+ strong Cicer arietinum
additional information no inhibition: glucose, PCMB, Cu2+ Cicer arietinum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.02
-
biochanin A 7-O-beta-D-glucopyranoside
-
Cicer arietinum
0.03
-
(1E,3Z)-N-(2-carbamimidamidoethyl)-4-(pyridin-3-yl)buta-1,3-diene-1-sulfonamide
-
Cicer arietinum
0.05
-
apigenin 7-O-beta-D-glucopyranoside isoenzyme R3, isoenzyme L1 Cicer arietinum
0.07
-
2-methyl-4'-nitro-isoflavone 7-O-beta-D-glucopyranoside isoenzyme R3 Cicer arietinum
0.15
-
biochanin A 7-O-[beta-D-apiofuranosyl-(1-6)-beta-D-glucopyranoside] isoenzyme R3, isoenzyme L1 Cicer arietinum
0.17
-
4-methylumbelliferyl beta-D-glucoside isoenzyme R3, isoenzyme L1 Cicer arietinum
0.2
-
4-methylumbelliferyl beta-D-glucoside isoenzyme H1 Cicer arietinum
0.2
-
biochanin A 7-O-[beta-D-apiofuranosyl-(1-6)-beta-D-glucopyranoside] isoenzyme H1 Cicer arietinum
0.7
-
2-Nitrophenyl-beta-D-glucopyranoside isoenzyme R3, isoenzyme L1 Cicer arietinum
1
-
2-Nitrophenyl-beta-D-glucopyranoside isoenzyme H1 Cicer arietinum
1.5
-
4-nitrophenyl-beta-D-glucopyranoside isoenzyme R3, isoenzyme L1 Cicer arietinum
2
-
4-nitrophenyl-beta-D-glucopyranoside isoenzyme H1 Cicer arietinum
2
-
4-nitrophenyl-beta-D-galactopyranoside isoenzyme R3, isoenzyme L1 Cicer arietinum
3
-
4-nitrophenyl-beta-D-galactopyranoside isoenzyme H1 Cicer arietinum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
68000
-
2 * 68000, SDS-PAGE Cicer arietinum
125000 135000 gel filtration, sucrose density gradient centrifugation Cicer arietinum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
biochanin A 7-O-[beta-D-apiofuranosyl-(1-6)-beta-D-glucopyranoside] + H2O Cicer arietinum
-
biochanin A + beta-D-apiofuranosyl-(1-6)-beta-D-glucopyranose
-
ir

Organism

Organism UniProt Comment Textmining
Cicer arietinum
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein
-
Cicer arietinum

Purification (Commentary)

Purification (Comment) Organism
-
Cicer arietinum

Source Tissue

Source Tissue Comment Organism Textmining
hypocotyl
-
Cicer arietinum
-
leaf
-
Cicer arietinum
-
root
-
Cicer arietinum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(1E,3Z)-N-(2-carbamimidamidoethyl)-4-(pyridin-3-yl)buta-1,3-diene-1-sulfonamide + H2O
-
Cicer arietinum ?
-
?
2-methyl-4'-nitro-isoflavone 7-O-beta-D-glucopyranoside + H2O
-
Cicer arietinum 2-methyl-4'-nitro-isoflavone + beta-D-glucopyranose
-
ir
2-nitrophenyl beta-D-glucopyranoside + H2O
-
Cicer arietinum 2-nitrophenol + D-glucopyranose
-
ir
4-methylumbelliferyl beta-D-glucoside + H2O
-
Cicer arietinum 4-methylumbelliferol + beta-D-glucopyranose
-
ir
4-nitrophenyl beta-D-galactopyranoside + H2O
-
Cicer arietinum 4-nitrophenol + beta-D-galactopyranose
-
ir
4-nitrophenyl beta-D-glucopyranoside + H2O
-
Cicer arietinum 4-nitrophenol + D-glucopyranose
-
ir
apigenin 7-O-beta-D-glucopyranoside + H2O
-
Cicer arietinum apigenin + beta-D-glucopyranose
-
ir
biochanin A 7-O-beta-D-glucopyranoside + H2O
-
Cicer arietinum biochanin A + beta-D-glucopyranose
-
ir
biochanin A 7-O-[beta-D-apiofuranosyl-(1-6)-beta-D-glucopyranoside] + H2O
-
Cicer arietinum biochanin A + beta-D-apiofuranosyl-(1-6)-beta-D-glucopyranose
-
ir
formononetin 7-O-beta-D-glucopyranoside + H2O
-
Cicer arietinum formononetin + beta-D-glucopyranose
-
?

Subunits

Subunits Comment Organism
dimer 2 * 68000, SDS-PAGE Cicer arietinum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.5 5 and a second optimum at pH 7-7.5 Cicer arietinum
7 7.5 and a second optimum at pH 4.5-5 Cicer arietinum