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3.1.1.72: acetylxylan esterase

This is an abbreviated version!
For detailed information about acetylxylan esterase, go to the full flat file.

Word Map on EC 3.1.1.72

Reaction

acetylxylan
+ 3 H2O = 3 acetic acid +
xylan

Synonyms

Abf62A-Axe6A, Acel_0180, Acetic ester hydrolase, acetyl (xylan) esterase, Acetyl esterase, acetyl xylan esterase, acetyl xylan esterase 1, acetyl xylan esterase 2, acetyl xylan esterase A, acetyl xylan esterase I, acetyl xylan esterase II, acetyl xylan esterase, putative, acetyl xylan esterase/cephalosporin acetyl hydrolase, acetyl xylo-oligosaccharide esterase, Acetylglucomannan esterase, Acetylnaphthylesterase, acetylxylan esterase, acetylxylan esterase A, Acetyte esterase, AcXE, AE, alkaline acetyl xylan esterase, An12 g05010, AoAXE, AXE, AXE I, AXE II, AXE/CAH, Axe1, Axe2, Axe3, Axe6A, Axe6B, AxeA, AXEII, bifunctional acetylxylan esterase/xylanase, BnaA, C-esterase, CA esterase, CE1, CE1 AcXE, CE2, CE3, CE4, CE4 AcXE, CE5, CE5 AcXE, CE6, CE6 AcXE, Chloroacetate esterase, Chloroesterase, Citrus acetylesterase, CtAxe, DFP58_4623, Est2A, Esterase, acetyl, Esterase, C-, Heroin esterase, More, N-Acetylphosphinothricin deacetylase, NaM1, Naphthal AS-D chloroacetate deacetylase, PcAxe2, SlCE4, Vvaxe1, xylanase, Xyn10B, XynA, XynS20E

ECTree

     3 Hydrolases
         3.1 Acting on ester bonds
             3.1.1 Carboxylic-ester hydrolases
                3.1.1.72 acetylxylan esterase

pH Stability

pH Stability on EC 3.1.1.72 - acetylxylan esterase

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pH STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
10
-
37°C, 1 h, wild-type enzyme loses about 20% of initial activity, mutant enzyme S146A loses about 65% of initial activity, mutant enzyme D168A loses about 40% of initial activity
664203
3 - 7
-
45°C, 24 h, stable
23591
3 - 8
-
24 h, stable
23596
4
-
4°C, 24 h, isoenzyme II, stable
23594
4 - 6
1 h, no loss of activity
751478
4 - 8
-
4°C, 24 h, isoenzyme I, stable
23594
4.5 - 12
-
purified recombinant enzyme, over 80% of maximal activity within this range
729073
4.5 - 9.5
-
16 h, more than 80% residual activity
750138
5 - 9
-
4°C, 24 h
697655
6 - 10
6 - 7
room temperature, 1 h, stable
665786
6 - 8
-
70°C, isoenzyme II, stable
23599
6.2 - 8.5
-
stable for at least 7 h
23609
7
-
70°C, isoenzyme I, stable
23599
7 - 9
-
37°C, 1 h, wild-type enzyme and mutant enzymes S146A and D168A are stable
664203
8 - 9.5
-
stable
23597
9
-
endo-H-treated enzyme and enzyme from tunicamycin-supplemented yeast cultures are marginally less stable on prolonged exposure to 50°C, pH values below 9.0, and urea concentrations above 2.0 M compared with the wild-type enzyme
730875