Any feedback?
Please rate this page
(all_enzymes.php)
(0/150)

BRENDA support

3.2.1.200: exo-chitinase (non-reducing end)

This is an abbreviated version!
For detailed information about exo-chitinase (non-reducing end), go to the full flat file.

Reaction

Hydrolysis of N,N'-diacetylchitobiose from the non-reducing end of chitin and chitodextrins =

Synonyms

At4g19810, ChiA, ChiA 65, ChiB, ChiC, chitinase B, GH18 chitinase, TdsC, Tfu0868

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.200 exo-chitinase (non-reducing end)

Inhibitors

Inhibitors on EC 3.2.1.200 - exo-chitinase (non-reducing end)

Please wait a moment until all data is loaded. This message will disappear when all data is loaded.
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
Ba2+
-
63.52% residual activity at 1 mM
Ca2+
-
5% loss of activity at 20 mM
Cd2+
5 mM, 35% residual activity
colloidal chitin
substrate inhibition
-
dithiothreitol
2 mM, 10% residual activity
EDTA
-
15% loss of activity at 20 mM
Fe2+
-
complete inhibition at 1 mM
GlcNAcbeta(1->4)GlcNAcbeta(1->4)GlcNAcbeta(1->4)GlcNAc
-
substrate inhibition
GlcNAcbeta(1->4)GlcNAcbeta(1->4)GlcNAcbeta(1->4)GlcNAcbeta(1->4)GlcNAc
-
substrate inhibition
GlcNAcbeta(1->4)GlcNAcbeta(1->4)GlcNAcbeta(1->4)GlcNAcbeta(1->4)GlcNAcbeta(1->4)GlcNAc
-
substrate inhibition
K+
-
10% residual activity at 1 mM
Mg2+
-
95% residual activity at 1 mM
N-ethylmaleimide
2 mM, complete inhibition
Na+
-
15% residual activity at 1 mM
Ni2+
10 mM, 36% loss of activity
p-chloromercuribenzoate
2 mM, complete inhibition
Urea
-
20% loss of activity at 8 M
additional information
not inhibitory or activating: Mg2+, Mn2+, Ca2+, K+, EDTA, EGTA, or 1.0 M NaCl
-