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Literature summary for 3.2.1.61 extracted from

  • Okazaki, K.; Jin, S.Y.; Sawamura, Y.; Hayakawa, S.
    Purification and properties of mycodextranase from Bacillus circulans NHB-1 (1995), J. Ferment. Bioeng., 79, 370-372.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Hg2+
-
Niallia circulans
Mn2+
-
Niallia circulans
N-bromosuccinimide
-
Niallia circulans
N-bromosuccinimide
-
Penicillium melinii
N-Chlorosuccinimide
-
Niallia circulans
N-Chlorosuccinimide
-
Penicillium melinii

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Niallia circulans

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
120000
-
gel filtration Niallia circulans

Organism

Organism UniProt Comment Textmining
Niallia circulans
-
NHB-1
-
Niallia circulans NHB-1
-
NHB-1
-
Penicillium melinii
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Niallia circulans

Reaction

Reaction Comment Organism Reaction ID
nigerohexaose + H2O = nigerose + alpha-D-glucopyranosyl-1,3-alpha-D-glucopyranosyl-1,4-alpha-D-glucopyranosyl-1,3-D-glucose enzyme hydrolyzes nigeran tetrasaccharide by an endo-type of action Niallia circulans

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
7.88
-
-
Niallia circulans

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
nigeran + H2O
-
Niallia circulans nigerose + alpha-D-glucopyranosyl-1,3-alpha-D-glucopyranosyl-1,4-alpha-D-glucopyranosyl-1,3-D-glucose
-
?
nigeran + H2O
-
Penicillium melinii nigerose + alpha-D-glucopyranosyl-1,3-alpha-D-glucopyranosyl-1,4-alpha-D-glucopyranosyl-1,3-D-glucose
-
?
nigeran + H2O
-
Niallia circulans NHB-1 nigerose + alpha-D-glucopyranosyl-1,3-alpha-D-glucopyranosyl-1,4-alpha-D-glucopyranosyl-1,3-D-glucose
-
?

Subunits

Subunits Comment Organism
monomer
-
Penicillium melinii
monomer 1 * 120000, SDS-PAGE Niallia circulans

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Niallia circulans

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
enzyme stable up to 50°C Niallia circulans
60
-
10 min, 67% of maximal activity Niallia circulans
70
-
10 min, 17% of maximal activity Niallia circulans

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
Niallia circulans

pH Stability

pH Stability pH Stability Maximum Comment Organism
5 10 80% of maximal activity after incubation at 4°C for 48 h Niallia circulans
6 7 stable between Niallia circulans