3.2.1.165: exo-1,4-beta-D-glucosaminidase

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

Reaction

hydrolysis of chitosan or chitosan oligosaccharides to remove successive D-glucosamine residues from the non-reducing termini =

Synonyms

beta-GlcNase, csx, CsxA, exo-beta--D-GlcNase, exo-beta-1.4-glucosaminidase, exo-beta-D-GlcNase, exo-beta-D-glucosaminidase, exo-beta-glucosaminidase, exo-chitosanase, exochitosanase, GlcNase, GlmA, Gls93, PBPRA0520 protein

ECTree

     3 Hydrolases

         3.2 Glycosylases

             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds

                3.2.1.165 exo-1,4-beta-D-glucosaminidase

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Results	in table
6	Activating Compound
2068	AA Sequence
7	Application
1	CAS Registry Number
12	Cloned(Commentary)
4	Crystallization (Commentary)
1	Expression
1	General Stability
47	Inhibitors
20	kcat/KM [mM/s]
2	Ki Value [mM]
27	KM Value [mM]
5	Localization
4	Metals/Ions
15	Molecular Weight [Da]
9	Natural Substrates/ Products (Substrates)
48	Organism
2	Pathway
4	PDB ID
16	pH Optimum
5	pH Range
6	pH Stability
4	pI Value
4	Posttranslational Modification
44	Protein Variants
22	Purification (Commentary)
2	Reaction
3	Reaction Type
43	Reference
19	Source Tissue
13	Specific Activity [micromol/min/mg]
2	Storage Stability
169	Substrates and Products (Substrate)
23	Subunits
60	Synonyms
1	Systematic Name
18	Temperature Optimum [°C]
4	Temperature Range [°C]
9	Temperature Stability [°C]
20	Turnover Number [1/s]

pH Stability

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pH Stability on EC 3.2.1.165 - exo-1,4-beta-D-glucosaminidase

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pH STABILITY

ORGANISM

UNIPROT

COMMENTARY

LITERATURE

2 - 10

Aspergillus fumigatus

-

stable

682639

3

Trichoderma reesei

-

1 h, 37°C, about 70% loss of activity

677651

3 - 7

Penicillium sp.

-

stable

677420

3 - 8

Penicillium sp. IB-37-2A

-

the enzyme demonstrates high pH stability at pH 3.0-8.0, and it loses more than 50% of its original activity at pH values above 8.0

752333

3.5 - 7

Aspergillus flavus

-

37°C, 15 min, more than 50% of initial activity remains

681334

6 - 9

Trichoderma reesei

-

1 h, 37°C, stable

677651