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Literature summary for 3.2.1.B1 extracted from

  • Fu, W.; Han, B.; Duan, D.; Liu, W.; Wang, C.
    Purification and characterization of agarases from a marine bacterium Vibrio sp. F-6 (2008), J. Ind. Microbiol. Biotechnol., 35, 915-922.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Ag+ 5 mM, complete inhibition of agarase AG-b Vibrio sp.
EDTA 5 mM, 15% inhibition of agarase AG-b Vibrio sp.
Fe3+ 1 mM, 65% inhibition of agarase AG-b Vibrio sp.
Hg2+ 5 mM, complete inhibition of agarase AG-b Vibrio sp.
SDS 5 mM, 16% inhibition of agarase AG-b Vibrio sp.

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ 1 mM, increases activity of agarase AG-b 1.2fold Vibrio sp.
Cu2+ 1 mM, increases activity of agarase AG-b 1.2fold Vibrio sp.
Mn2+ 1 mM, increases activity of agarase AG-b 1.4fold Vibrio sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
34500
-
x * 34500, agarase AG-b, SDS-PAGE Vibrio sp.

Organism

Organism UniProt Comment Textmining
Vibrio sp.
-
-
-
Vibrio sp. F-6
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Vibrio sp.

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
307.4
-
agarase AG-b Vibrio sp.

Storage Stability

Storage Stability Organism
4°C, pH 7.5 (phosphate buffer), 6 months, agarase AG-b loses 5% activity Vibrio sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
agarose + H2O
-
Vibrio sp. neoagarooctaose + neoagarohexaose main hydrolysates of agarose by agarase AG-b are neoagarooctaose (30%) and neoagarohexaose (67%) ?
agarose + H2O
-
Vibrio sp. F-6 neoagarooctaose + neoagarohexaose main hydrolysates of agarose by agarase AG-b are neoagarooctaose (30%) and neoagarohexaose (67%) ?

Subunits

Subunits Comment Organism
? x * 34500, agarase AG-b, SDS-PAGE Vibrio sp.

Synonyms

Synonyms Comment Organism
agarase AG-b
-
Vibrio sp.

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
55
-
agarase AG-b Vibrio sp.

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
25 70 25°C: about 55% of maximal activity, 70°C: about 65% of maximal activity, agarase AG-b Vibrio sp.

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
45
-
30 min, about 10% loss of activity, agarase AG-b Vibrio sp.
55
-
30 min, about 20% loss of activity, agarase AG-b Vibrio sp.
65
-
30 min, about 50% loss of activity, agarase AG-b Vibrio sp.
70
-
30 min, about 90% loss of activity, agarase AG-b Vibrio sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9
-
agarase AG-b Vibrio sp.

pH Range

pH Minimum pH Maximum Comment Organism
6 10 pH 6.0: about 60% of maximal activity, pH 10.0: about 95% of maximal activity, agarase AG-b Vibrio sp.

pH Stability

pH Stability pH Stability Maximum Comment Organism
4 10 4°C, 6 h, stable in the pH range of 4.0–10.0, agarase AG-b Vibrio sp.