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Literature summary for 2.4.1.18 extracted from

  • Li, L.; Su, L.; Hu, F.; Chen, S.; Wu, J.
    Recombinant expression and characterization of the glycogen branching enzyme from Vibrio vulnificus and its application in starch modification (2019), Int. J. Biol. Macromol., 155, 987-994 .
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21(DE3) cells Vibrio vulnificus

Organism

Organism UniProt Comment Textmining
Vibrio vulnificus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
His Trap column chromatography Vibrio vulnificus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
amylopectin
-
Vibrio vulnificus amylopectin containing alpha-1,6-glucosidic linkages
-
?
corn starch
-
Vibrio vulnificus corn starch containing alpha-1,6-glucosidic linkages
-
?

Synonyms

Synonyms Comment Organism
GBE
-
Vibrio vulnificus
glycogen branching enzyme
-
Vibrio vulnificus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
35
-
-
Vibrio vulnificus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
20 40 more than 70% activity between 20 and 40°C, less than 40% activity at 45°C, less than 10% activity at 50°C Vibrio vulnificus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
35
-
the half-life of the enzyme at 35°C is 10 h Vibrio vulnificus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Vibrio vulnificus

pH Range

pH Minimum pH Maximum Comment Organism
6.5 11 about 60% activity at pH 6.5, about 80% activity at pH 7.0, 100% activity at pH 7.5, more than 90% between pH 8.0, and 11.0 Vibrio vulnificus

pH Stability

pH Stability pH Stability Maximum Comment Organism
5.5 10.5 more than 50% of activity is retained when the enzyme is incubated at 4°C and pH 5.5-10.5 for 48 h,with the enzyme being most stable at pH 9.5 Vibrio vulnificus