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3.2.1.26: beta-fructofuranosidase

This is an abbreviated version!
For detailed information about beta-fructofuranosidase, go to the full flat file.

Word Map on EC 3.2.1.26

Reaction

raffinose
+
H2O
=
beta-D-fructofuranose
 +
6-O alpha-D-galactopyranosyl-alpha-D-glucopyranose

Synonyms

A/N-InvG, acid invertase, Acid sucrose-6-phosphate hydrolase, acINV, AFR529Wp, AI, AIV, alkaline invertase, alkaline invertase InvA, alkaline invertase InvB, alkaline/neutral invertase, Atbetafruct4, b-fructofuranosidase, beta-(1-2)-fructofuranosidase, beta-D-fructofuranosidase, beta-D-fructofuranosidase fructohydrolase, beta-D-fructofuranoside fructohydrolase, beta-FFase, beta-fructofuranosidase, beta-fructofuranosidase I, beta-fructofuranoside fructohydrolyase, beta-fructosidase, beta-h-fructosidase, BfrA, BlsacA, Bmsuc1, cell wall invertase, cell wall invertase 4, cell wall-bound invertase, cell wall-bound ivertase, cell-wall invertase, cell-wall invertase 1, CIN, Cin1, CIN12, Cin5, CINV1, CscA, CWI, CWIN, CWIN1, Cwinv-1, cwINV1, cytosolic invertase, EINV1, EINV2, EINV3, EINV4, FCWI, Ffase, FFase I, Ffh, fructofuranosidase, beta-, fructosylinvertase, glucosucrase, INAC-INV, INCW2, INV, Inv-CW, INV-E, Inv-V, INV1p, INV2, INVA, INVB, invertase, invertase 1, invertase 2, Invertase E1, invertase SUC2, invertin, lbbetafruct2, lbbetafruct3, Lin5, Lin6, Lin7, Lyc e 2.01, Lyc e 2.02, maxinvert L 1000, More, neutral invertase, NI, Nin88, OsCIN1, OsCIN2, OsCIN3, Protein B46, re-INVB, SacA, saccharase, SAI, soluble acid invertase, Suc2, SucB, sucrase, Sucrase E1, Sucrose-6-phosphate hydrolase, TIV-1, Uninv, uninv2, Vacuolar invertase, vacuolar invertase 1, vacuolar invertase CvINV, vacuolar invertase NvINV, VIN, VIN1, VIN2, Vinv-1, VINV1, VINV2, VINV3, yeast invertase

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.26 beta-fructofuranosidase

pH Stability

pH Stability on EC 3.2.1.26 - beta-fructofuranosidase

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pH STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
1.5 - 8
-
2°C, stable
136095
2.6 - 5.5
-
stable
656948
2.8 - 8
-
soluble enzyme is stable over the overall pH interval, the enzyme entrapped into calcium alginate beads loses 34% of its original activity as the pH varies from 3.0 to 4.6, but at pH-values above 4.6 the residual activity remains unchanged. At pH 8.0 the entrapped invertase is stable for at least 30 h
136083
3
-
0°C, 30 min, stable, invertase I
136110
3 - 10
-
the enzyme remains stable for 1 h
731028
3 - 10.5
-
stable
752017
3 - 4
-
stable
750854
3 - 6
-
stable
136098, 136118
3 - 7
3 - 7.5
-
stable, extracellular enzyme
136072
3.5
-
low stability at or below, invertase II
136110
3.5 - 7
-
-
715225
4 - 6
-
30°C, 15 h, stable
136111
4 - 7
4 - 8
4.5 - 10
-
stable
136068
4.5 - 7
-
45°C, stable
136116
5 - 6
-
stable
136116
5 - 8
the enzyme retains 100% activity at pH 5.0 for 120 min. The activity is reduced to more than 70% after 360 min at pH 5.0-8.0
730730
5 - 8.6
-
-
708103
5.5 - 6.5
-
high stability at pH 5.5-6.5. The pH increase to 6.5 and 7.5 influence severely the enzyme stability, remaining about 5% invertase activity after 1 day at pH 7.5 and 7 days at pH 6.5. Thus, a sharply loss of invertase activity is observed for pH 7.5
729018
5.5 - 9.5
-
purified enzyme, over 90% of activity after 20 h at 4°C
664416
6
-
30 min, 10% loss of activity
656948
6 - 10
-
stable at pH 6-10 at 30°C for 1 h
680952
6 - 9
-
stable, intracellular enzyme
136072
6.5 - 7
-
30°C, 18 h, optimal stability
136105
6.5 - 9
-
30°C, 2 h, intracellular enzyme, stable. In presence of bovine serum albumin stable down to pH 4.9
136066
7 - 8
-
alkaline and neutral invertase, stable in presence of protease inhibitors
136119
7 - 8.5
-
stable
136062
additional information