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3.2.1.37: xylan 1,4-beta-xylosidase

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

Word Map on EC 3.2.1.37

Reaction

(Xylbeta(1-4))x
+
H2O
=
beta-D-xylopyranose
 +
(Xylbeta(1-4))x-1

Synonyms

1,4-beta-D-xylan xylohydrolase, 1,4-beta-D-xylosidase, 1.4-beta-D-xylanase, exo-type, ABF3, AbfA, AbfB, AbXyl, alpha-arabinofuranosidase/beta-xylosidase, alpha-L-arabinofuranosidase, alpha-L-arabinofuranosidase 3, alpha-L-arabinofuranoside arabinofuranohydrolase, arabinofuranosidase 3, AXH-d3, Axy43A, BcXyl, beta-1,4-xylosidase, beta-D-xylopyranosidase, beta-D-xylosidase, beta-D-xylosidase/alpha-L-arabinofuranosidase, beta-D-xyloside xylohydrolase, beta-glucosidase/xylosidase, beta-xylosidase, beta-xylosidase A, beta-xylosidase B, beta-xylosidase I, beta-xylosidase II, beta-xylosidase-1, beta-xylosidase-2, beta-xylosidase-3, beta-xylosidase-4, betaXTE, betaXTR, bifunctional beta-glucosidase/xylosidase, BlxA, Bxl1, BxTW1, Bxyl, ccxyl3a, EcXyl43 beta-xylosidase, exo-1,4-beta-D-xylosidase, exo-1,4-beta-xylosidase, Exo-beta-(1,4)-xylanase, GH43 beta-1,4-xylosidase, GH43 xylosidase, GH43B6, glycoside hydrolase family 3 beta-xylosidase, More, Pae1263, RrXyl43A, Rubg3A, Rubg3B, RuBGX1, RuXyn1, SSO3032, Sxa, Thxyl43A, Tpexyl3, X12345, Xln-DT, Xyl, Xyl I, XYL1, Xyl3A, XYL4, xyl43, xyl43A, Xyl43C, Xyl5, XYLA, Xylan 1,4-beta-xylosidase, xylanase, XylB, XylC, XylCD2, xylobiase, xylosidase, XynB, XynB2, XynB3

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.37 xylan 1,4-beta-xylosidase

Specific Activity

Specific Activity on EC 3.2.1.37 - xylan 1,4-beta-xylosidase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.014
-
substrate: 4-nitrophenyl beta-D-glucoside, pH 5.0, 50°C
0.031
crude extract, in sodium phosphate buffer (pH 7.0), at 37°C
0.05
crude extract, in 50 mM phosphate buffer (pH 7.0), at 37°C
0.08
-
pH 5.0, 40°C
0.126
-
substrate: 4-nitrophenyl beta-D-xylopyranoside, pH 5.0, 50°C
0.66
-
pH 5.0, 60°C
0.72
-
activity after heat treatment
0.9
-
substrate arabinoxylan, pH 5.0, 40°C
1.07
-
pH 5.0, 40°C
10.5
Malbranchea pulchella var. sulfurea
-
-
1073
-
for p-nitrophenyl alpha-L-arabinofuranoside
11.08
-
pH 5.0, 40°C
12.1
4-nitrophenyl beta-D-xylopyranoside as substrate, pH 4.6, 42°C
12.3
purified native enzyme
122
-
for p-nitrophenyl beta-D-xylopyranoside
125 - 140
after 1.68fold purification, at pH 4.0 and 70°C
13.7
Malbranchea pulchella var. sulfurea
-
-
1304
-
pH 4.0, 60°C
14.2
-
substrate glucuronoxylan, pH 5.0, 40°C
15.5
-
pH 5.0, 75°C
151
-
pH 5.0, 50°C
16
-
substrate 4-nitrophenyl-beta-D-xylopyranoside, pH 5.0, 40°C
1797
substrate 4-nitrophenyl beta-D-xylopyranoside, pH 5.0, 40°C
183
-
for o-nitrophenyl beta-D-xylopyranoside
19.6
-
pH 6.5, 55°C
21.1
-
extracellular beta-xylosidase 2
21.3
-
beta-xylosidase A
21.8
-
intracellular beta-xylosidase 2
223.14
-
substrate: 4-nitrophenyl alpha-L-arabinopyranoside, pH 6.0, 90°C
229.8
-
substrate: 4-nitrophenyl beta-D-xylopyranoside, pH 6.0, 90°C
23.7
-
cell-wall bound enzyme
25.2
-
native enzyme
25.67
-
pH 5.0, 75°C
27.1
-
extracellular beta-xylosidase 1
27.4
-
30°C, pH 6.0
275
-
purified recombinant enzyme, substrate 4-nitrophenyl-beta-D-xylopyranoside
28.3
-
overexpressed enzyme
28.4
-
substrate Xyl-beta-(1->4)-Xyl, pH 5.0, 40°C
29
-
purified recombinant enzyme, substrate 4-nitrophenyl-beta-D-glucopyranoside
3
-
substrate: 4-nitrophenyl xylopyranoside, pH 5, 50°C, xylanase II
3.09
-
substrate: 4-nitrophenyl alpha-L-arabinofuranoside, pH 4.0, 65°C
3.32
purified enzyme, in sodium phosphate buffer (pH 7.0), at 37°C
3.6
-
substrate: 4-nitrophenyl-4-O-beta-D-xylopyranosyl-beta-D-xylopyranose, pH 5, 50°C, xylanase II
3.63
-
pH 6.5, 75°C
3.9
-
substrate 4-nitrophenyl-alpha-L-arabinofuranoside, pH 5.0, 40°C
30.5
Penicillium wortmanni
-
beta-xylosidase-4
31.5
-
substrate: 4-nitrophenyl beta-D-glucopyranoside, pH 4.0, 65°C
312.84
-
substrate: 4-nitrophenyl alpha-L-arabinofuranoside, pH 6.0, 90°C
3390
-
pH 4.0, 60°C
343.53
-
substrate: beta-1,4-D-xylobiose, pH 6.0, 90°C
347.3
substrate 4-nitrophenyl alpha-L-arabinofuranoside, pH 7.0, 45°C
4.76
-
pH 5.0, 50°C
40
Penicillium wortmanni
-
beta-xylosidase-2
42.6
-
substrate 4-nitrophenyl-beta-D-xylopyranoside, pH 5.0, 40°C
44.8
-
substrate: 2-nitrophenyl xylopyranoside, pH 5, 50°C, xylanase II
5.4
-
substrate: birchwood xylan, pH 4.0, 65°C
5.5
4-nitrophenyl beta-D-xylopyranoside as substrate, pH 4.6, 40°C
50
-
purified recombinant enzyme, substrate 4-nitrophenyl-alpha-L-arabinofuranoside
51.3
-
purified xylan-inducible enzyme
51.82
1036fold purified enzyme, in 50 mM phosphate buffer (pH 7.0), at 37°C
53
-
pH 4.5, 50°C
59.6
-
purified xylose-inducible enzyme
61.17
-
substrate: 4-nitrophenyl beta-D-xylopyranoside, pH 4.0, 65°C
61.2
Penicillium wortmanni
-
beta-xylosidase-3
659.9
substrate 4-nitrophenyl beta-D-xylopyranoside, pH 6.5, 50°C
66.94
-
substrate: 4-nitrophenyl beta-D-glucopyranoside, pH 6.0, 90°C
7
-
substrate glucuronoxylan, pH 5.0, 40°C
74.4 - 76.5
crude enzyme, at pH 4.0 and 70°C
758
-
for p-nitrophenyl alpha-L-arabinopyranoside
8.4
-
37°C
89.5
pH 4.0, 30°C, substrate 4-nitrophenyl alpha-L-arabinopyranoside
additional information