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Literature summary extracted from

  • de Vries, R.P.; vanKuyk, P.A.; Kester, H.C.; Visser, J.
    The Aspergillus niger faeB gene encodes a second feruloyl esterase involved in pectin and xylan degradation and is specifically induced in the presence of aromatic compounds (2002), Biochem. J., 363, 377-386.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.1.1.73
-
 Aspergillus niger

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.1.1.73 0.76
-
 methyl ferulate FAEA Aspergillus niger
3.1.1.73 1.31
-
 methyl ferulate FAEB Aspergillus niger

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.1.1.73 extracellular
-
 Aspergillus niger
-
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.1.1.73 74000
-
 x * 74000, SDS-PAGE of intact protein, deglycosylated protein has a mass of 60000 Da Aspergillus niger

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.1.1.73 arabinoxylan + H2O Aspergillus niger from wheat ferulic acid + ?
-
 ?
3.1.1.73 feruloyl polysaccharide + H2O Aspergillus niger involved in the degradation of plant cell wall material, breaks ferulic acid cross-links between cell wall components ferulic acid + ?
-
 ?
3.1.1.73 pectin + H2O Aspergillus niger from sugar beet ferulic acid + ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.1.1.73 Aspergillus niger O42807 type A enzyme; feruloyl esterase type A
-
3.1.1.73 Aspergillus niger Q8WZI8 type B enzyme; feruloyl esterase type B
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.1.1.73 glycoprotein 18 glycosylation sides Aspergillus niger

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.1.73
-
 Aspergillus niger

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.1.73 arabinoxylan + H2O from wheat Aspergillus niger ferulic acid + ?
-
 ?
3.1.1.73 ethyl ferulate + H2O hydrolyzed by FAEA and not FAEB with FAEA displaying the higher activity Aspergillus niger ferulic acid + ethanol
-
 ?
3.1.1.73 feruloyl polysaccharide + H2O involved in the degradation of plant cell wall material, breaks ferulic acid cross-links between cell wall components Aspergillus niger ferulic acid + ?
-
 ?
3.1.1.73 methyl 3,5-dimethoxy-4-hydroxy-cinnamate + H2O hydrolyzed only by FAEA and not FAEB Aspergillus niger 3,5-dimethoxy-4-hydroxycinnamic acid + methanol
-
 ?
3.1.1.73 methyl caffeate + H2O hydrolyzed only by FAEB and not FAEA Aspergillus niger caffeic acid + methanol
-
 ?
3.1.1.73 methyl cinnamate + H2O hydrolyzed only by FAEB and not FAEA Aspergillus niger cinnamic acid + methanol
-
 ?
3.1.1.73 methyl ferulate + H2O hydrolyzed by FAEA and not FAEB with FAEA displaying the higher activity Aspergillus niger ferulic acid + methanol
-
 ?
3.1.1.73 additional information no hydrolysis of methyl gallate Aspergillus niger ?
-
 ?
3.1.1.73 pectin + H2O from sugar beet Aspergillus niger ferulic acid + ?
-
 ?

Subunits

EC Number Subunits Comment Organism
3.1.1.73 ? x * 55551.4, calculated from the deduced amino acid sequence Aspergillus niger
3.1.1.73 ? x * 74000, SDS-PAGE of intact protein, deglycosylated protein has a mass of 60000 Da Aspergillus niger

Synonyms

EC Number Synonyms Comment Organism
3.1.1.73 FAEA
-
 Aspergillus niger
3.1.1.73 FAEB
-
 Aspergillus niger
3.1.1.73 feruloyl esterase A FAEA is more active than FAEB towards wheat arabinoxylan, whereas FAEB is more active than FAEA towards sugar-beet pectin Aspergillus niger
3.1.1.73 feruloyl esterase B FAEA is more active than FAEB towards wheat arabinoxylan, whereas FAEB is more active than FAEA towards sugar-beet pectin Aspergillus niger

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.1.73 6
-
 using methyl caffeate as substrate Aspergillus niger

pI Value

EC Number Organism Comment pI Value Maximum pI Value
3.1.1.73 Aspergillus niger calculated from the deduced amino acid sequence
-
 4.89