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Literature summary extracted from

  • Matsuo, M.; Fujie, A.; Win, M.; Yasui, T.
    Four types of beta-xylosidases from Penicillium wortmanni IFO 7237 (1987), Agric. Biol. Chem., 51, 2367-2379.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.37 Fe3+ 72-79% remaining activity for four isoenzymes Penicillium wortmanni
3.2.1.37 Hg2+ strong inhibition for all four isoenzymes Penicillium wortmanni
3.2.1.37 N-bromosuccinimide complete inhibition for all four isoenzymes Penicillium wortmanni

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.37 1
-
xylobiose beta-xylosidase-3 Penicillium wortmanni
3.2.1.37 2.3
-
xylobiose beta-xylosidase-2 Penicillium wortmanni
3.2.1.37 3.3
-
xylobiose beta-xylosidase-4 Penicillium wortmanni
3.2.1.37 4.2
-
xylobiose beta-xylosidase-1 Penicillium wortmanni

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.37 extracellular
-
Penicillium wortmanni
-
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.37 100000
-
2 * 100000, xylosidase-4, SDS-PAGE Penicillium wortmanni
3.2.1.37 101000
-
2 * 101000, xylosidase-3, SDS-PAGE Penicillium wortmanni
3.2.1.37 105000
-
2 * 105000, xylosidase-2, SDS-PAGE Penicillium wortmanni
3.2.1.37 110000
-
xylosidase-1, SDS-PAGE, gel filtration Penicillium wortmanni
3.2.1.37 180000
-
xylosidase-4, SDS-PAGE, gel filtration Penicillium wortmanni
3.2.1.37 195000
-
xylosidase-2, SDS-PAGE, gel filtration Penicillium wortmanni
3.2.1.37 210000
-
xylosidase-3, SDS-PAGE, gel filtration Penicillium wortmanni

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.37 xylan + H2O Penicillium wortmanni
-
beta-D-xylose + ?
-
?
3.2.1.37 xylobiose + H2O Penicillium wortmanni transxylosylation activity beta-D-xylose + D-xylose
-
?
3.2.1.37 xylobiose + H2O Penicillium wortmanni four isoenzymes divided into three groups of action patterns beta-D-xylose + D-xylose
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.37 Penicillium wortmanni
-
four different isoenzymes
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.37 separation of four isoenzymes to homogeneity Penicillium wortmanni

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.37 cell culture
-
Penicillium wortmanni
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.37 22
-
beta-xylosidase-1 Penicillium wortmanni
3.2.1.37 30.5
-
beta-xylosidase-4 Penicillium wortmanni
3.2.1.37 40
-
beta-xylosidase-2 Penicillium wortmanni
3.2.1.37 61.2
-
beta-xylosidase-3 Penicillium wortmanni

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.37 benzyl-beta-D-xyloside + H2O low activity for xylosidases-2,-3,-4, 45% activity for xylosidase-1 Penicillium wortmanni phenol + beta-D-xylose
-
?
3.2.1.37 butyl-beta-D-xyloside low activity Penicillium wortmanni butanol + beta-D-xylose
-
?
3.2.1.37 cyclohexyl-beta-D-xyloside + H2O 50% activity compared to that for xylobiose Penicillium wortmanni cyclohexanol + beta-D-xylose
-
?
3.2.1.37 methyl-beta-D-xyloside + H2O very low activity Penicillium wortmanni beta-D-xylose + methanol
-
?
3.2.1.37 methyl-beta-D-xyloside + H2O very low activity Penicillium wortmanni ?
-
?
3.2.1.37 p-nitrophenyl beta-D-xyloside + H2O
-
Penicillium wortmanni p-nitrophenol + beta-D-xylose
-
?
3.2.1.37 xylan + H2O
-
Penicillium wortmanni beta-D-xylose + ?
-
?
3.2.1.37 xylobiose + H2O transxylosylation activity Penicillium wortmanni beta-D-xylose + D-xylose
-
?
3.2.1.37 xylobiose + H2O four isoenzymes divided into three groups of action patterns Penicillium wortmanni beta-D-xylose + D-xylose
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.37 dimer 2 * 101000, xylosidase-3, SDS-PAGE Penicillium wortmanni
3.2.1.37 dimer 2 * 105000, xylosidase-2, SDS-PAGE Penicillium wortmanni
3.2.1.37 dimer 2 * 100000, xylosidase-4, SDS-PAGE Penicillium wortmanni
3.2.1.37 monomer 1 * 110000, xylosidase-1, SDS-PAGE, gel filtration Penicillium wortmanni

Synonyms

EC Number Synonyms Comment Organism
3.2.1.37 beta-xylosidase-1
-
Penicillium wortmanni
3.2.1.37 beta-xylosidase-2
-
Penicillium wortmanni
3.2.1.37 beta-xylosidase-3
-
Penicillium wortmanni
3.2.1.37 beta-xylosidase-4
-
Penicillium wortmanni

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.37 55
-
beta-xylosidase-1 Penicillium wortmanni
3.2.1.37 60 65 beta-xylosidase-3 Penicillium wortmanni
3.2.1.37 65
-
beta-xylosidases-2 and -4 Penicillium wortmanni

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.37 45
-
stable up to for xylosidases-1,-3 and -4 Penicillium wortmanni
3.2.1.37 60
-
xylosidase-2, stable up to Penicillium wortmanni

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.37 3 4 beta-xylosidases-2,-3,-4 Penicillium wortmanni
3.2.1.37 4 4.5 beta-xylosidase-1 Penicillium wortmanni