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3.2.1.8: endo-1,4-beta-xylanase

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

Word Map on EC 3.2.1.8

Reaction

(Xylbeta(1-4))n
+
H2O
=
(Xylbeta(1-4))n-m
 +
(Xylbeta(1-4))m

Synonyms

(1--> 4)-beta-xylan 4-xylanohydrolase, (1-4)-beta-xylan 4-xylanohydrolase, 1,4-beta-D-xylan xylanohydrolase, 1,4-beta-D-xylan xylanohydrolase 22, 1,4-beta-D-xylan-xylanohydrolase, 1,4-beta-xylan xylanohydrolase, 1,4-beta-xylanase, 34 kDa xylanase, Abf51A, Abf62A-Axe6A, Acel_0180, acidophilic endo-1,4-beta-xylanase, AfXynA, AfXynB, alkaline active xylanase, alkaline xylanase, AMX-4 xylanase, AnxB, AxB8, Axy43A, basic xylanase, Bcx, beta-1, 4-endoxylanase, beta-1,4-D-xylanase, beta-1,4-endoxylanase, beta-1,4-xylan hydrolase, beta-1,4-xylan xylanohydrolase, beta-1,4-xylanase, beta-1,4endoxylanase, beta-D-xylanase, beta-endoxylanase, beta-xylanase, bifunctional cellulase/xylanase, bifunctional endoglucanase/xylanase, bifunctional xylanase/endoglucanase, BlxA, BSX, BSXY, Btx, Calow_0124, ctendo7, Cthe_3012, CTHT_0045780, CtXynGH30, EGXA, endo(1-4)beta-xylanase, endo-(1,4)-beta-xylanase, endo-(1--> 4)-beta-xylanase, endo-1,4-beta-D-xylanase, endo-1,4-beta-xylanase, endo-1,4-beta-xylanase II, endo-1,4-xylanase, endo-acting beta-1,4-xylanase, endo-beta-(1'4)-xylanase, endo-beta-(1,4)-xylanase, endo-beta-1, 4-xylanase, endo-beta-1,4-xylanase, endo-beta-1,4-xylanase 2, endo-beta-1,4-xylanase2, endo-xylanase, endoxylanase, endoxylanase I, endoxylanase NtSymX11, endoxylanase Xys1DELTA, EXY1, family 11 endoxylanase, family 11 xylanase, family 30 glycoside hydrolase subfamily 8 glucuronoxylan endo-beta-1,4-xylanase, family-10 endo-1,4-beta-xylanase, FIA-xylanase, FOTG_15646, G/11 endo-1,4-beta-xylanase, GC25 xylanase, GH 10 xylanase, GH 11 xylanase, GH-10 endo-1,4-beta-xylanase, GH-11 endo-1,4-beta-xylanase, GH10 endo-beta-1,4-xylanase, GH10 xylanase D, GH11 xylanase, GH43B6, GH7 endoglucanase, GHF 10 endoxylanase, GHF 11 endoxylanase, glycoside hydrolase family 11 endoxylanase, glycoside hydrolase family 8 domain protein, GXYN, KRICT PX1, MalAC0309_0409, More, MROS_2090, MROS_2091, MROS_2495, Mxyn10, MYCTH_49824, MYCTH_56237, ORF4, Pedsa_2704, PhX20, PhX33, PsGH10A, pXyl, RrXyn11A, RuCelA, Rut C-30, SCO5931, SipoEnXyn10A, SlxB, SoxB, SSO1354 protein, TAXI, TERTU_4506, Tfu_1213, TLX, TmxB, Tpet_0854, TRX II, TtGH8, Wxl1, X-I, X-II, X34, Xa, Xln-1, xlnA, xlnB, XT6, Xyl, Xyl I, Xyl II, XYL1, Xyl10A, Xyl10B, XYL10C, Xyl11, XYL1p, XYL2, Xyl2090, Xyl2091, Xyl2495, Xyl30, XYLA, xylanase, xylanase 1, xylanase 10A, xylanase 10B, xylanase 10C, xylanase 11 A, xylanase 11A, xylanase 11J, xylanase 2, Xylanase 22, xylanase 43A, xylanase A, xylanase B, xylanase bI, xylanase bII, xylanase C, xylanase I, xylanase II, xylanase III, xylanase J, xylanase LC9, xylanase Xyl10A, xylanase Xyl11A, xylanase XynZF-2, xylanase, endo-1,4-, XylB, XylB8, XylC, XYLD, XylE, XylF2, XylG, xylH, xylM, XylX, XYLY, Xyn II, Xyn III, Xyn-b39, Xyn-Lxy, Xyn1, Xyn10, Xyn10A, Xyn10B, Xyn10E, XYN10G5, XYN10Ks_480, Xyn11, Xyn11A, XYN11F63, XYN11Ks_480, Xyn11NX, Xyn12.2, Xyn162, Xyn2, Xyn3, Xyn30A, Xyn5, XynA, XynA119, XynA19, XynA4, XynAS27, XynAS9, XynB, XynB18, XynBS27, XynC, XynD, XynE15, XynE2, XynG1, XynGH30, XynGR40, XYNII, XynIII, XynJ, XynS14, XynS20, XynSW1, XynSW3, XynT, XynY, XynZ, Xys1, Xys1delta, xysA

ECTree

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

Activating Compound

Activating Compound on EC 3.2.1.8 - endo-1,4-beta-xylanase

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ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
(NH4)2SO4
-
xylanase activity is 9.7 U/ml with 0.1% urea
2,4-dithiothreitol
-
stimulation, both xylanase I and xylanase II
2-mercaptoethanol
acetone
5%, 4.3fold activation of activity with carboxymethyl cellulose, slight activation of xylanase activity (to 104.6% of control), fusion enzyme (EG-M-Xyn) of endoglucanase (cellulase) from Teleogryllus emma and xylanase from Thermomyces lanuginosus
alpha-cyclodextrin
-
11% increased activity at 1 mM
bagasse pulp
-
Thermomyces lanuginosus SSBP produces high level of cellulase-free xylanase during growth on a cheap bagasse pulp carbon source after 120 h
-
beta-cyclodextrin
-
9% increased activity at 1 mM
beta-mercaptoethanol
butanol
5%, 1.1fold activation of activity with carboxymethyl cellulose, 73% inhibition of xylanase activity, fusion enzyme (EG-M-Xyn) of endoglucanase (cellulase) from Teleogryllus emma and xylanase from Thermomyces lanuginosus
casein hydrolysate
-
xylanase activity is 5.3 U/ml with 0.1% urea
-
Cr3+
10 mM, activity increases by 28.2%
CTAB
-
activity is slightly enhanced
Cu2+
stimulates activity at 5 mM by 20%
cyanamide
-
3% increased activity at 1 mM
dithiothreitol
glucose
-
highest specific activity of xylanase in supernatant fraction is observed in glucose culture
glutathione
glycerol
5%, 8.2fold activation of activity with carboxymethyl cellulose, 10% inhibition of xylanase activity, fusion enzyme (EG-M-Xyn) of endoglucanase (cellulase) from Teleogryllus emma and xylanase from Thermomyces lanuginosus
iodoacetamide
-
-
iodoacetic acid
-
activation of isozymes Ic and IIB
L-cysteine
L-tryptophan
-
-
Li+
stimulates activity with increasing amounts from 5 mM (25%) to 20 mM (38%)
maltose
-
stimulates xylanase A
NaNO3
-
xylanase activity is 11.9 U/ml with 0.1% urea
NH4Cl
-
xylanase activity is 10.5 U/ml with 0.1% urea
Pb(CH3COO)2
-
activates xylanase II and inhibits xylanase I at 10 mM
PMSF
-
activates xylanase I, inhibits xylanase II
reduced glutathione
-
3% increased activity at 1 mM
Sodium citrate
-
activates
trehalose
-
activates both isozymes and stabilizes them at higher temperatures
tris-(2-carboxyethyl)-phosphine
activates
Triton X 100
-
-
Triton X-100
tryptone
-
xylanase activity is 6.5 U/ml with 0.1% urea
-
Tween 20
Tween 80
Tween-80
yeast extract
-
xylanase activity is 6.2 U/ml with 0.1% urea
-
additional information
-