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Literature summary for 3.1.1.72 extracted from

  • Egana, L.; Gutierrez, R.; Caputo, V.; Peirano, A.; Steiner, J.; Eyzaguirre, J.
    Purification and characterization of two acetyl xylan esterases from Penicillium purpurogenum (1996), Biotechnol. Appl. Biochem., 24, 33-39.
    View publication on PubMed

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Talaromyces purpureogenus
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
23000
-
x * 23000, isoenzyme AXE II, SDS-PAGE Talaromyces purpureogenus

Organism

Organism UniProt Comment Textmining
Talaromyces purpureogenus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
2 isoenzymes: AXE I and AXE II Talaromyces purpureogenus

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
118.1
-
isoenzyme AXE I Talaromyces purpureogenus
139.8
-
isoenzyme AXE II Talaromyces purpureogenus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetylxylan
-
Talaromyces purpureogenus acetate + ?
-
?

Subunits

Subunits Comment Organism
? x * 23000, isoenzyme AXE II, SDS-PAGE Talaromyces purpureogenus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
isoenzyme AXE I Talaromyces purpureogenus
55 60 isoenzyme AXE II Talaromyces purpureogenus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
42
-
1 h, isoenzyme AXE I: 80% loss of activity Talaromyces purpureogenus
65
-
1 h, isoenzyme AXE II: 80% loss of activity Talaromyces purpureogenus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.3
-
isoenzyme AXE I Talaromyces purpureogenus
5.5 6 isoenzyme AXE II Talaromyces purpureogenus

pH Stability

pH Stability pH Stability Maximum Comment Organism
4
-
4°C, 24 h, isoenzyme II, stable Talaromyces purpureogenus
4 8 4°C, 24 h, isoenzyme I, stable Talaromyces purpureogenus