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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

General Stability

General Stability on EC 3.2.1.37 - xylan 1,4-beta-xylosidase

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GENERAL STABILITY
ORGANISM
UNIPROT
LITERATURE
addition of Ca2+ protects against thermal inactivation
Malbranchea pulchella var. sulfurea
-
at optimal temperature inactivated within 4-6 h
-
citrate phosphate and piperazine-HCl buffers reduce activity
-
coating the enzyme with aldehyde-dextran or polyethylenimine, fully stabilizes the quaternary structure of the enzyme rendering much more stabilization to the biocatalyst. The enzyme coated with polyethylenimine of molecular weight 1300 is the most stable one exhibiting an half-life of more than 10 days at pH 5.0 and 50°C, being 240fold more stable than the free enzyme
-
immobilized enzyme shows good operational stability retaining 84% of its initial activity and yielding 63% xylose after four cycles of reusing
improved pH- and temperature-stability as native sucrase-cellobiase-xylosidase aggregate
-
no loss of activity if stored at -15°C at pH 4.5
-
xylose protects against thermal inactivation