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.

Word Map on EC 3.2.1.165

3.2.1.165

chitosans

glucosamine

chitin

deacetylation

nonreducing

chitooligosaccharides

exo-type

n-acetylglucosamine

chitobiose

orientalis

thermococcus

diacetylchitobiose

glcnac2

transglycosylation

synthesis

amycolatopsis

chitosanolytic

viscosimetric

kodakaraensis

exo-splitting

beta-mannosidase

reesei

glcn-glcnac

chitosan-degrading

cm-sephadex

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]

KM Value

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KM Value on EC 3.2.1.165 - exo-1,4-beta-D-glucosaminidase

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0.69

4-nitrophenyl beta-D-glucosaminide

Photobacterium profundum

pH 7.0, 37°C

715133

4.5

4-nitrophenyl beta-D-glucoside

Photobacterium profundum

pH 7.0, 37°C

715133

3.5

alpha-D-glucosaminyl fluoride

Photobacterium profundum

Q6LUT2

mutant enzyme D139E, at pH 7.0 and 37°C

749852

28.6

cellobiose

Photobacterium profundum

pH 7.0, 37°C

715133

18.8

cellotetraose

Photobacterium profundum

pH 7.0, 37°C

715133

17.5

cellotriose

Photobacterium profundum

pH 7.0, 37°C

715133

1.37 - 15

chitobiose

7 entries

0.365

chitohexaose

Thermococcus kodakarensis

Q76HN4

pH 6.0, 80°C

680443

0.0778

chitopentaose

Thermococcus kodakarensis

Q76HN4

pH 6.0, 80°C

680443

0.15 - 0.295

chitotetraose

2 entries

0.27 - 0.96

chitotriose

2 entries

18.4 - 32.9

colloidal chitosan

2 entries

2.5

GlcN(beta1-4)GlcN(beta1-4)GlcN

Photobacterium profundum

pH 7.0, 37°C

715133

1.2

GlcN(beta1-4)GlcN(beta1-4)GlcN(beta1-4)GlcN

Photobacterium profundum

pH 7.0, 37°C

715133

1.4

GlcN(beta1-4)GlcN(beta1-4)GlcN(beta1-4)GlcN(beta1-4)GlcN

Photobacterium profundum

pH 7.0, 37°C

715133

additional information

chitosan

4 entries