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Literature summary extracted from

  • Sakamoto, T.; Kawasaki, H.
    Purification and properties of two type-B alpha-L-arabinofuranosidases produced by Penicillium chrysogenum (2003), Biochim. Biophys. Acta, 1621, 204-210.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.55 Ag+ 92% inhibition of AFQ1, 89% inhibition of AFS, at 1 mM Penicillium chrysogenum
3.2.1.55 Cd2+ 37% inhibition of AFQ1, 15% inhibition of AFS, at 1 mM Penicillium chrysogenum
3.2.1.55 Cu2+ 76% inhibition of AFQ1, 36% inhibition of AFS, at 1 mM Penicillium chrysogenum
3.2.1.55 Hg2+ 90% inhibition of AFQ1, 74% inhibition of AFS, at 1 mM Penicillium chrysogenum
3.2.1.55 L-arabinose 10 mg/ml, inhibition of enzyme AFS1, not AFQ1 Penicillium chrysogenum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.55 0.86
-
4-nitrophenyl-alpha-L-arabinofuranoside enzyme AFQ1, pH 5.0, 37°C Penicillium chrysogenum
3.2.1.55 1.32
-
4-nitrophenyl-alpha-L-arabinofuranoside enzyme AFS1, pH 5.0, 37°C Penicillium chrysogenum

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.55 extracellular
-
Penicillium chrysogenum
-
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.55 46000
-
type B enzyme AFS1, gel filtration Penicillium chrysogenum
3.2.1.55 52000
-
x * 79000, type B enzyme AFQ1, x * 52000, type B enzyme AFS1 Penicillium chrysogenum
3.2.1.55 71000
-
type B enzyme AFQ1, gel filtration Penicillium chrysogenum
3.2.1.55 79000
-
x * 79000, type B enzyme AFQ1, x * 52000, type B enzyme AFS1 Penicillium chrysogenum

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.55 Penicillium chrysogenum
-
strain 31B, 2 distinct type B enzymes encoded by different genes
-
3.2.1.55 Penicillium chrysogenum 31B
-
strain 31B, 2 distinct type B enzymes encoded by different genes
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.2.1.55 glycoprotein enzyme AFQ1 is a glycoprotein, while enzyme AFS1 is not Penicillium chrysogenum
3.2.1.55 no glycoprotein AFS1 Penicillium chrysogenum

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.55 both type B enzymes AFQ1, 17fold, and AFS1, 39.7fold, from culture filtrate Penicillium chrysogenum

Source Tissue

EC Number Source Tissue Comment Organism Textmining

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.55 5.8
-
purified enzyme AFQ1 Penicillium chrysogenum
3.2.1.55 13.5
-
purified enzyme AFS1 Penicillium chrysogenum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.55 4-nitrophenyl alpha-L-arabinofuranoside + H2O
-
Penicillium chrysogenum 4-nitrophenol + alpha-L-arabinofuranose
-
?
3.2.1.55 4-nitrophenyl alpha-L-arabinofuranoside + H2O
-
Penicillium chrysogenum 31B 4-nitrophenol + alpha-L-arabinofuranose
-
?
3.2.1.55 4-nitrophenyl beta-D-xylopyranoside + H2O low activity only of enzyme AFS1, not AFQ1 Penicillium chrysogenum 4-nitrophenol + beta-D-xylopyranose
-
?
3.2.1.55 4-nitrophenyl beta-D-xylopyranoside + H2O low activity only of enzyme AFS1, not AFQ1 Penicillium chrysogenum 31B 4-nitrophenol + beta-D-xylopyranose
-
?
3.2.1.55 arabino-oligosaccharides + H2O
-
Penicillium chrysogenum alpha-L-arabinose
-
?
3.2.1.55 arabino-oligosaccharides + H2O
-
Penicillium chrysogenum 31B alpha-L-arabinose
-
?
3.2.1.55 arabinogalactan + H2O from soybean Penicillium chrysogenum alpha-L-arabinose + ?
-
?
3.2.1.55 arabinogalactan + H2O from soybean Penicillium chrysogenum 31B alpha-L-arabinose + ?
-
?
3.2.1.55 arabinoxylan + H2O from wheat Penicillium chrysogenum alpha-L-arabinose + ?
-
?
3.2.1.55 branched L-arabinan + H2O from sugar beet Penicillium chrysogenum L-arabinose + ?
-
?
3.2.1.55 debranched arabinan + H2O from sugar beet Penicillium chrysogenum alpha-L-arabinose + ?
-
?
3.2.1.55 additional information both type B enzymes show broad substrate specificity, synergistic action between AFQ1, AFS1, and exo-arabinanase in degradation of arabinan Penicillium chrysogenum ?
-
?
3.2.1.55 additional information both type B enzymes show broad substrate specificity, synergistic action between AFQ1, AFS1, and exo-arabinanase in degradation of arabinan Penicillium chrysogenum 31B ?
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.55 ? x * 79000, type B enzyme AFQ1, x * 52000, type B enzyme AFS1 Penicillium chrysogenum

Synonyms

EC Number Synonyms Comment Organism
3.2.1.55 AF
-
Penicillium chrysogenum
3.2.1.55 AFQ
-
Penicillium chrysogenum
3.2.1.55 AFS
-
Penicillium chrysogenum
3.2.1.55 alpha-L-arabinofuranosidase
-
Penicillium chrysogenum

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.55 50
-
-
Penicillium chrysogenum

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.55 50
-
stable up to Penicillium chrysogenum

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
3.2.1.55 14.3
-
4-nitrophenyl-alpha-L-arabinofuranoside enzyme AFQ1, pH 5.0, 37°C Penicillium chrysogenum
3.2.1.55 59.3
-
4-nitrophenyl-alpha-L-arabinofuranoside enzyme AFS1, pH 5.0, 37°C Penicillium chrysogenum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.55 3.3 5 enzyme AFS1 Penicillium chrysogenum
3.2.1.55 4 6.5 enzyme AFQ1 Penicillium chrysogenum