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3.2.1.25: beta-mannosidase

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

Word Map on EC 3.2.1.25

Reaction

Manbeta1-4GlcNAcbeta(1-4)GlcNAcbeta-Asn
+
H2O
=
GlcNAc-(1-4)-beta-GlcNAc-Asn
+
beta-D-mannopyranose

Synonyms

beta-D-mannosidase, beta-MAN, beta-mannosidase, beta-mannosidase 2A, beta-mannoside mannohydrolase, betaMANNOS1, BglB, CmMan5, CmMan5a, exo beta-mannanase, exo-beta-D-mannanase, GH2 beta-mannosidase, GM-1, GM-2, HvBII, Man2A, ManB, mannanase, mannase, mannosidase 5A, mannosidase, beta-, OT-1, PH0501, TM1624

ECTree

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

Turnover Number

Turnover Number on EC 3.2.1.25 - beta-mannosidase

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TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.00183 - 214.4
2,4-dinitrophenyl-beta-D-mannopyranoside
322.25 - 323.41
4-nitrophenyl beta-D-fucopyranoside
13.5 - 571
4-nitrophenyl beta-D-galactopyranoside
25.5 - 439
4-nitrophenyl beta-D-glucopyranoside
1.6 - 50.99
4-nitrophenyl beta-D-mannopyranoside
0.5
4-nitrophenyl-beta-D-glucopyranose
pH 4.0, 30°C
0.033 - 3.1
4-nitrophenyl-beta-D-mannopyranose
0.1
4-nitrophenyl-beta-mannopyranose
-
pH 7.0, 37°C, mutant enzyme E215A
2.17
4-O-beta-D-mannopyranosyl-D-mannopyranose
-
pH 7.0, 37°C, wild-type enzyme
0.053
beta-D-mannosyl-1,4-beta-D-glucoside
-
pH 7.0, 37°C, wild-type enzyme
166.7
Mannotriose
-
pH 7.0, 37°C, wild-type enzyme
67.8
p-nitrophenyl beta-D-mannopyranoside
-
-
0.0097 - 157
p-nitrophenyl-beta-D-mannopyranoside
additional information
additional information
-
as the enzyme is inhibited by the substrate p-nitrophenyl-beta-mannoside at concentrations above 0.4 mM, the turnover number of 167 per s is only an estimate
-