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Literature summary for 3.2.1.99 extracted from

  • Vilches, F.; Ravanal, M.C.; Bravo-Moraga, F.; Gonzalez-Nilo, D.; Eyzaguirre, J.
    Penicillium purpurogenum produces a novel endo-1,5-arabinanase, active on debranched arabinan, short arabinooligosaccharides and on the artificial substrate p-nitrophenyl arabinofuranoside (2018), Carbohydr. Res., 455, 106-113 .
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Pichia pastoris Talaromyces purpureogenus

Inhibitors

Inhibitors Comment Organism Structure
EDTA inhibits slightly Talaromyces purpureogenus
EGTA inhibits slightly Talaromyces purpureogenus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.26
-
4-nitrophenyl beta-D-xylopyranoside pH 4.5, 37°C Talaromyces purpureogenus
0.47
-
4-nitrophenyl beta-D-glucopyranoside pH 4.5, 37°C Talaromyces purpureogenus
5.37
-
4-nitrophenyl alpha-L-arabinofuranoside pH 4.5, 37°C Talaromyces purpureogenus

Metals/Ions

Metals/Ions Comment Organism Structure
additional information the addition of Ca2+ has no effect Talaromyces purpureogenus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
33478
-
calculated from sequence Talaromyces purpureogenus
38000
-
SDS-PAGE Talaromyces purpureogenus

Organism

Organism UniProt Comment Textmining
Talaromyces purpureogenus A0A2H4RAB6
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Talaromyces purpureogenus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl alpha-L-arabinofuranoside + H2O
-
Talaromyces purpureogenus 4-nitrophenol + alpha-L-arabinofuranose
-
?
4-nitrophenyl beta-D-glucopyranoside + H2O
-
Talaromyces purpureogenus 4-nitrophenol + beta-D-glucopyranose
-
?
4-nitrophenyl beta-D-xylopyranoside + H2O
-
Talaromyces purpureogenus 4-nitrophenol + beta-D-xylopyranose
-
?
debranched arabinan + H2O
-
Talaromyces purpureogenus arabinose + arabinobiose + arabinotriose
-
?
additional information no activity with birchwood xylan, beechwood xylan, citric pectin and arabinogalactan Talaromyces purpureogenus ?
-
?
sugar beet arabinan + H2O
-
Talaromyces purpureogenus ?
-
?

Subunits

Subunits Comment Organism
? x * 38000, SDS-PAGE Talaromyces purpureogenus
? x * 33478, calculated from sequence Talaromyces purpureogenus

Synonyms

Synonyms Comment Organism
Abn1
-
Talaromyces purpureogenus
endo-1,5-arabinanase
-
Talaromyces purpureogenus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30 35
-
Talaromyces purpureogenus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
15 40 15°C: about 45% of maximal activity, 40°C: about 70% of maximal activity Talaromyces purpureogenus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
good stability up to 40°C for 1 h Talaromyces purpureogenus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.5
-
-
Talaromyces purpureogenus

pH Range

pH Minimum pH Maximum Comment Organism
3.5 5 pH 3.5: about 45% of maximal activity, pH 5.0: about 50% of maximal activity Talaromyces purpureogenus

pH Stability

pH Stability pH Stability Maximum Comment Organism
4
-
most stable at pH 4 Talaromyces purpureogenus