3.2.1.139: alpha-glucuronidase

This is an abbreviated version!
For detailed information about alpha-glucuronidase, go to the full flat file.

Reaction

Synonyms

(4-O-methyl)-alpha-glucuronidase, 4-O-methylglucuronidase, aGlu, Agu115, Agu115A, Agu4B, AguA, alpha-(4-O-methyl)-D-glucuronidase, alpha-D-glucuronidase, Alpha-glucosiduronase, alpha-glucosiduronate glucuronohydrolase, alpha-glucuronidase, amylouronate hydrolase-I, Aryl alpha-glucuronidase, AugA, AUH-I, BoAgu115A, DEG75-AG, GH115, GH115 glucuronidase, GH67, GH67 alpha-glucuronidase, GlcA115A, GlcA67A, GLRI, glucuronidase, alpha-, glycosyl hydrolase family 115 alpha-glucuronidase, non-xylanolytic alpha-glucuronidase, p-nitrophenyl alpha-D-glucuronide-hydrolyzing enzyme, Pjdr2_5977, PNP-GAase, RUM630-AG, Sde_1755, TrDCase, TreDCase

ECTree

     3 Hydrolases

         3.2 Glycosylases

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

                3.2.1.139 alpha-glucuronidase

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Results	in table
7	Activating Compound
769	AA Sequence
12	Application
1	CAS Registry Number
21	Cloned(Commentary)
8	Crystallization (Commentary)
1	Expression
14	General Information
1	General Stability
63	Inhibitors
5	kcat/KM [mM/s]
6	Ki Value [mM]
39	KM Value [mM]
12	Localization
16	Metals/Ions
44	Molecular Weight [Da]
12	Natural Substrates/ Products (Substrates)
184	Organism
18	PDB ID
34	pH Optimum
16	pH Range
19	pH Stability
4	pI Value
2	Posttranslational Modification
73	Protein Variants
31	Purification (Commentary)
1	Reaction
4	Reaction Type
83	Reference
4	Source Tissue
19	Specific Activity [micromol/min/mg]
1	Storage Stability
203	Substrates and Products (Substrate)
41	Subunits
63	Synonyms
1	Systematic Name
30	Temperature Optimum [°C]
11	Temperature Range [°C]
43	Temperature Stability [°C]
31	Turnover Number [1/s]

Temperature Stability

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Temperature Stability on EC 3.2.1.139 - alpha-glucuronidase

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TEMPERATURE STABILITY

ORGANISM

UNIPROT

COMMENTARY

LITERATURE

10 - 40

Paenibacillus sp.

-

AUH-I is stable at 10-40°C, but starts to lose the activity above 40°C

703044

30

Aspergillus niger

-

pH 4.0, 24 h, stable below

664379

35

Saccharophagus degradans

Q21JW4

half-life 90 min

738687

40

5 entries

45

Geobacillus stearothermophilus

-

4 h, 20% loss of activity

664345

50

13 entries

55

Cellvibrio japonicus

B3PC73

rapid inactivation above

665367

55 - 75

Thermotoga maritima

-

partial inactivation, but thereafter the residual activity remains nearly constant for several days

26110

60

5 entries

62

Thermoanaerobacterium saccharolyticum

-

half-life: 1 h

26108

70

5 entries

73

Geobacillus stearothermophilus

-

melting temperature of mutant enzyme W328E/R329T/R665N is 72.9°C, melting temperature of wild-type enzyme is 73.4°C

665378

73.4

Geobacillus stearothermophilus

-

denaturation at

646735

75

2 entries

80

Thermotoga maritima

P96105

30 min, 10% loss of activity

664349

90

Thermotoga maritima

P96105

30 min, complete inactivation

664349

additional information

2 entries

40

Piromyces communis

-

pH 5.5, in absence of substrate, 15 min, 20% loss of activity

26104

40

Saccharophagus degradans

Q21JW4

half-life 60 min

738687

40

Scheffersomyces stipitis

A3LY17

stable for at least 3 h, at optimal temperature loss of 50% activity after 30 min

697944

40

Schizophyllum commune

-

stable up to

737907

40

Trichoderma reesei

-

pH 6.2-7.9, stable for 1 h

26109

50

Aspergillus niger

-

-

26105

50

Aspergillus niger

-

pH 4.5-7.0, 1 h, stable

26100

50

Geobacillus stearothermophilus

-

half-life: 50 min

664345

50

Helix pomatia

-

stable up to

26106

50

Paenibacillus sp.

-

AguA shows 54% of the maximal activity at 50°C

701796

50

Phanerodontia chrysosporium

-

pH 5.0, in absence of substrate, 58% loss of activity in 24 h

26105

50

Phanerodontia chrysosporium

-

pH 3.5, in absence of substrate, inactivation in 2 h

26105

50

Piromyces communis

-

pH 5.5, absence of substrate, 15 min, 79% loss of activity

26104

50

Saccharophagus degradans

Q21JW4

half-life 2 min

738687

50

Thermoanaerobacterium saccharolyticum

-

-

26103

50

Thermoascus aurantiacus

-

in absence of substrate, 6 h, 15% loss of activity

26107

50

Thermoclostridium stercorarium

-

pH 6.0, 4 h, stable

26103

50

Trichoderma reesei

-

pH 4.8, 24 h, 50% loss of activity

26109

60

Thermoanaerobacterium saccharolyticum

-

pH 6.2-7.9, stable for 1 h

26108

60

Thermoanaerobacterium saccharolyticum

-

half-life: 2-3 h

26103

60

Thermoascus aurantiacus

-

in absence of substrate, t1/2: 192 min

26107

60

Thermoascus aurantiacus

-

in absence of substrate, 6 h, 58% loss of activity

26107

60

Thermoclostridium stercorarium

-

half-life: 14 h

26103

70

Geobacillus stearothermophilus

-

20 min, no less of activity

646735

70

Geobacillus stearothermophilus

-

20 min, wild-type enzyme and mutant enzyme W328E/R329T/R665N, about 10% loss of activity

665378

70

Saccharophagus degradans

Q21JW4

2 min, complete loss of activtiy

738687

70

Thermoascus aurantiacus

-

in absence of substrate, t1/2: 28 min

26107

70

Thermotoga maritima

P96105

30 min, stable up to

664349

75

Geobacillus stearothermophilus

-

20 min, 70% loss of activity

646735

75

Geobacillus stearothermophilus

-

20 min, wild-type enzyme loses 70% of its activity, mutant enzyme W328E/R329T/R665N copletely loses activity

665378

additional information

Aspergillus niger

-

below 40°C, immobilized TreDCase, treatment with glutaraldehyde does not affect thermostability

680401

additional information

Thermoascus aurantiacus

-

1 mg/ml of substrate protects against heat inactivation

26107