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Literature summary for 3.2.1.78 extracted from

  • Liu, J.; Basit, A.; Miao, T.; Zheng, F.; Yu, H.; Wang, Y.; Jiang, W.; Cao, Y.
    Secretory expression of beta-mannanase in Saccharomyces cerevisiae and its high efficiency for hydrolysis of mannans to mannooligosaccharides (2018), Appl. Microbiol. Biotechnol., 102, 10027-10041 .
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Saccharomyces cerevisiae strain BY4741 Aspergillus sulphureus

Organism

Organism UniProt Comment Textmining
Aspergillus sulphureus
-
-
-
Aspergillus sulphureus CGMCC0608
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein the enzyme has three N-glycosylation sites (N173, N242, N313) and two O-glycosylation sites (S5, S334) Aspergillus sulphureus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
konjac glucomannan + H2O
-
Aspergillus sulphureus mannose + mannobiose + mannotriose + mannotetraose + mannopentaose + mannohexaose
-
?
konjac glucomannan + H2O
-
Aspergillus sulphureus CGMCC0608 mannose + mannobiose + mannotriose + mannotetraose + mannopentaose + mannohexaose
-
?
locust bean gum galactomannan + H2O
-
Aspergillus sulphureus mannose + mannobiose + mannotriose + mannotetraose + mannopentaose + mannohexaose
-
?
locust bean gum galactomannan + H2O
-
Aspergillus sulphureus CGMCC0608 mannose + mannobiose + mannotriose + mannotetraose + mannopentaose + mannohexaose
-
?

Synonyms

Synonyms Comment Organism
Beta-mannanase
-
Aspergillus sulphureus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60
-
-
Aspergillus sulphureus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
30 70 more than 50% activity between 30 and 70°C Aspergillus sulphureus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40 60 the enzyme remains stable for 12 h at 40°C and exhibits about 30% activity after 2 h at 50°C. The enzyme shows no activity at 60°C Aspergillus sulphureus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2
-
-
Aspergillus sulphureus

pH Range

pH Minimum pH Maximum Comment Organism
2 7 more than 80% of enzyme activity is retained in the pH range 2.0-7.0 Aspergillus sulphureus