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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

Inhibitors

Inhibitors on EC 3.2.1.8 - endo-1,4-beta-xylanase

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
(S)-4,5-epoxypentyl-beta-D-xyloside
-
-
1,10-phenanthroline
-
6 mM, 70% inhibition
1-ethyl-3-(3-dimethylaminopropyl) carbodiimide
-
at 100 mM 20% inhibition of PhX20, 30% inhibition of PhX33
1-Fluoro-2,4-dinitrobenzene
-
-
2,4,6-Trinitrobenzenesulfonic acid
-
at 1 mM 90% inhibition of PhX20, 30% inhibition of PhX33
2,4-dinitrophenyl 2-deoxy-2-fluoro-beta-D-xylobioside
2,4-dinitrophenolate is released, due to covalent inactivation of the active enzyme, used for active site titrations
2-deoxyglucose
-
-
2-Hydroxy-5-nitrobenzyl bromide
2-mercaptoethanol
5,5'-dithiobis-(2-nitrobenzoic acid)
Acetic anhydride
-
-
beta-mercaptoethanol
carbodiimide
-
-
Cd(CH3COO)2
-
-
cellobiose
-
-
citraconic anhydride
-
at 50 mM no inhibition of PhX20, 10% inhibition of PhX33
Cr2+
-
7.5 mM, strong inhibition
CuSO4
D-glucose
-
-
D-xylan
-
above 1% w/v, substrate inhibition
diethyl dicarbonate
diethyldicarbonate
-
at 5 mM 95% inhibition of PhX20, 10% inhibition of PhX33
dithiothreitol
ethanol
5%, 16% inhibition of activity with carboxymethyl cellulose, 24% inhibition of xylanase activity, fusion enzyme (EG-M-Xyn) of endoglucanase (cellulase) from Teleogryllus emma and xylanase from Thermomyces lanuginosus
FeSO4
guanidine hydrochloride
84% inhibition at 2 M
HgCl2
iminodiborane
-
-
iodoacetamide
iodoacetate
Isopropanol
5%, 21.6% inhibition of activity with carboxymethyl cellulose, 53% inhibition of xylanase activity, fusion enzyme (EG-M-Xyn) of endoglucanase (cellulase) from Teleogryllus emma and xylanase from Thermomyces lanuginosus
KMnO4
leupeptin
-
inhibits the native enzyme
maltose
-
xylanase B
mercuribenzoate
-
5 mM, 40% inhibition of enzyme component I of strain W1 and W2
methanol
5%, 26.5% inhibition of activity with carboxymethyl cellulose, 13.5% inhibition of xylanase activity, fusion enzyme (EG-M-Xyn) of endoglucanase (cellulase) from Teleogryllus emma and xylanase from Thermomyces lanuginosus
MnCl2
-
1 mM, 29% inhibition of xylanase 2, 20% inhibition of xylanase 1
N-Acetylimidazole
-
100 mM, 79% inhibition
N-bromosuccimide
N-bromosuccinamide
-
oxidation of one or two tryptophan residues by N-bromosuccinamide per enzyme molecule is sufficient to inhibit the enzyme activity completely
N-bromosuccinimide
N-ethyl-5-phenylisoxazolium-3'-sulfonate
-
-
N-ethylmaleimide
-
inhibits the native enzyme
N-tosyl-L-phenylalanine chloromethyl ketone
-
inhibits the native enzyme
NaH2PO4
-
100 mM, 50% inhibition
NaN3
0.1%, 45.2% inhibition of activity with carboxymethyl cellulose, 12.25% inhibition of xylanase activity, fusion enzyme (EG-M-Xyn) of endoglucanase (cellulase) from Teleogryllus emma and xylanase from Thermomyces lanuginosus
NH4Cl
NiCl2
-
1 mM, 19% inhibition of xylanase 2, no inhibition of xylanase 1
omega-epoxyalkyl glycosides of D-xylopyranose
-
irreversible
-
oxo(phenyl)acetaldehyde
-
-
p-chloromercuribenzoate
Pb(CH3COO)2
Pb(NO3)2
PEG 200
4%, 46% inhibition
pepstatin A
Thermomonospora sp.
-
50% inhibition at 0.0005 mM, inhibition is due to interference in the electronic microenvironment and disruption of hydrogen bonding network around the essential histidine residue
phenyl methane sulfonyl fluoride
-
-
Phenylglyoxal
-
at 10 mM 25% inhibition of PhX20, no inhibition of PhX33
Phenylmethylsulfonylfluoride
-
at 10 mM 15% inhibition of PhX20, 10% inhibition of PhX33
phosphate buffer
has a negative effect on the xylanase activity, as it reduces the activity around to 60%
-
polyhexamethylbiguanid
-
77.29% residual activity at 2 mM
RbCl
-
5 mM, 55% inhibition
Ru2+
Halalkalibacterium halodurans
-
95% residual activity at 1 mM
Sodium azide
sodium dodecylsulfate
TAXI-I
-
TLXI
-
trans-1,2-diaminocyclohexane-N',N',N',N'-tetraacetic acid
-
strong inhibition
Triticum aestivum endoxylanase inhibitor-I
-
-
Triticum aestivum endoxylanase inhibitor-II
-
-
Triticum aestivum xylanase inhibitor
-
Triticum aestivum xylanase inhibitor-I
-
Triticum aestivum xylanase inhibitor-II
-
-
-
Triton X-100
Tween 60
0.05%, 78% residual activity
Tween 80
1%, 33.29% loss of activity
XIP-I
-
xylanase inhibiting protein
-
xylanase inhibitor protein
-
xylanase inhibitor protein-I
-
xylanase-inhibiting protein
-
XIP
-
xylobiose
xylose
xylotriose
-
acts as the end product inhibitor of Xyn11A
ZnSO4
-
1 mM, 19% inhibition of xylanase 2, no inhibition of xylanase 1
additional information
-