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3.2.1.78: mannan endo-1,4-beta-mannosidase

This is an abbreviated version!
For detailed information about mannan endo-1,4-beta-mannosidase, go to the full flat file.

Word Map on EC 3.2.1.78

Reaction

Manbeta(1-4)Manbeta(1-4)Manbeta(1-4)Manbeta(1-4)Man
+
H2O
=
Manbeta(1-4)Manbeta(1-4)Man
 +
Manbeta(1-4)Man

Synonyms

(1,4)-beta-D-mannan mannanohydrolase, 1,4-beta-D-mannan mannanohydrolase, 1,4-beta-mannanase, beta-1,4-D-mannanase, beta-1,4-mannan 4-mannanohydrolase, beta-1,4-mannanase, beta-D-mannanase, Beta-mannanase, beta-mannanase B, CaMan, CelB, cold-adapted beta-mannanase, CsMan5, CtManf, Dtur_0671, em26a, endo-1,4-beta-D-mannanase, endo-1,4-beta-mannanase, endo-1,4-mannanase, endo-acting beta-1,4-mannanase, endo-beta 1,4-mannanase, endo-beta-(1,4)-mannanase, endo-beta-(1->4)-mannanase, endo-beta-1,4 mannanase, endo-beta-1,4,D-mannanase, endo-beta-1,4-D-mannanase, endo-beta-1,4-mannanase, endo-beta-1,4-mannase, endo-beta-D-1,4-mannanase, endo-beta-D-mannanase, endo-beta-mannanase, endo-mannanase, GH 134 beta-1,4-mannanase, GH134, GH5-CBM27, KMAN-3, LeMAN4, LeMAN4a, Man, MAN I, Man II, MAN-P, Man1, Man113A, Man134A, Man26A, Man26A-50K, Man26b, Man4A, Man5, Man5A, Man5C, man5D, Man5P1, Man5XZ3, Man5_8, Man7, ManA, ManA/HmA, ManB, ManB-1601, ManC, ManEM17, ManF, ManH, ManIII, mannan endo-1,4-beta-mannanase, mannan endo-1,4-beta-mannosidase, mannan endo-1.4-beta-D-mannosidase, mannanase, mannanase, endo-1,4-beta-, ManP, ManS2, MYCTH_99077, PoMan5A, Rman, TpMan, TrMan5A

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.78 mannan endo-1,4-beta-mannosidase

Activating Compound

Activating Compound on EC 3.2.1.78 - mannan endo-1,4-beta-mannosidase

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ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
2-mercaptoethanol
acetone
-
activates the wild-type enzyme and mutant Man5DELTACBM at 40-60% v/v, no effect on mutant Man5DELTACL
Ca2+
-
1 mM, 20% increase in activity
cysteine
-
slight activation
dithiothreitol
N-ethylmaleimide
-
-
Sodium azide
Triton X-100
Tween 20
-
109.9% activity at 1 mM
Tween 40
-
125.4% activity at 1 mM
Tween 60
-
106.8% activity at 1 mM
Urea
-
122.7% activity at 5 mM
additional information
-
an assembly of ManB with mini-CbpA, which contains a carbohydrate-binding module that provides proximity to insoluble substrates, increases the activity toward galactomannan from locust bean gum and guar gum 1.7- and 2.0fold over those without mini-CbpA
-