Any feedback?
Please rate this page
(all_enzymes.php)
(0/150)

BRENDA support

3.2.1.40: alpha-L-rhamnosidase

This is an abbreviated version!
For detailed information about alpha-L-rhamnosidase, go to the full flat file.

Word Map on EC 3.2.1.40

Reaction

4',5,7-trihydroxyflavanone 7-rhamnoglucoside
+
H2O
=
4',5,7-trihydroxyflavanone 7-glucoside
+
alpha-L-rhamnose

Synonyms

alpha-L-rhamnosidase, alpha-L-rhamnosidase A, alpha-L-rhamnosidase B, alpha-L-rhamnosidase N, alpha-L-rhamnosidase Ram A, alpha-L-rhamnosidase T, alpha-RHA, AoRha, AorhaA, BtRha, BtRha78A, DtRha, EC 3.2.1.66, GH106 alpha-L-rhamnosidase, gypenoside-alpha-L-rhamnosidase, KoRha, L-rhamnosidase, More, naringinase, pnp-rhamnohydrolase, RamA, RHA-P, RhaA, RhaB, RhaB1, RhaB2, RhaL1, Rham, rhamnosidase, alpha -L-, RhmA, saponin-alpha-L-rhamnosidase

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.40 alpha-L-rhamnosidase

pH Range

pH Range on EC 3.2.1.40 - alpha-L-rhamnosidase

Please wait a moment until all data is loaded. This message will disappear when all data is loaded.
pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
2 - 10
-
40% of maximal activity at pH 4.0, 10% at pH 10.0
2 - 5
3 - 8
-
pH 3.0: about 60% of maximal activity, pH 8.0: about 50% of maximal activity
3.5 - 5.5
-
at pH ranging from 3.5 to 5.5 still the enzyme maintains more than 60% of the optimal pH activity
4 - 7.9
50% of maximal activity at pH 4.0 and pH 7.9
4 - 8
when the enzyme is in the condition of pH 4.0 to 5.0 or pH 7.0 to 8.0, its activity decreases dramatically to 40% yield or even less, soluble enzyme
4.4 - 5.5
isoform RhaB2 maintains over 60% of its activity in the pH range from 4.4 to 5.5
5 - 7.5
5 - 8.7
50% of maximal activity at pH 5.0 and pH 8.7
5 - 9
Bacteroides JY-6
-
-
5.5 - 8.6
pH 5.5: about 80% of maximal activity, high activity (more than 60%) at alkaline pH 7.5-8.6
5.5 - 9.5
activity measured, no enzyme activity at pH 4.3 of cells on beads in contrast to measured activity of free cells
7.9 - 8.8
the enzyme retains 47% and 36% of activity at pH 7.9 and 8.8