Feruloyl esterase A (gene faeA) from Aspergillus niger

Enzyme Description

Species

Extremophile

EC Number

3.1.1.73 ↗

Sequence

Length: 281 amino acids

MKQFSAKYALILLATAGQALAASTQGISEDLYNRLVEMATISQAAYADLCNIPSTIIKGEKIYNAQTDINGWILRDDTSKEIITVFRGTGSDTNLQLDTNYTLTPFDTLPQCNDCEVHGGYYIGWISVQDQVESLVKQQASQYPDYALTVTGHSLGASMAALTAAQLSATYDNVRLYTFGEPRSGNQAFASYMNDAFQVSSPETTQYFRVTHSNDGIPNLPPADEGYAHGGVEYWSVDPYSAQNTFVCTGDEVQCCEAQGGQGVNDAHTTYFGMTSGACTW

Craig B. Faulds et al. (2011) — Influence of organic co-solvents on the activity and substrate specificity of feruloyl esterases

Bioresource Technology · doi:10.1016/j.biortech.2011.01.088 ↗ · Activity - Classical Stability - C50 Stability - Incubation Activity + Stability - Incubation

53 measurements ▼

Database ID

UniProt: O42807 ↗

Sequence Annotation

Inferred - from protein name

Protein Source

Recombinant, host yeast Pichia pastoris

Experimental Data (53 measurements)

53 measurements — page 1 of 3

Property	Assay	Solvent	Solvent Volume	Aqueous Reference	Measured Value	Units	Solution	pH	Temperature	Substrate(s)	Product(s)	Cofactor(s)	Shaking	Comments
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1-Propanol	10%	100.0	46.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid , Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1,4-Dioxane	30%	100.0	0.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid , Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Methanol	2%	100.0	80.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid , Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Ethanol	2%	100.0	75.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid , Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1-Propanol	2%	100.0	76.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid , Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Methanol	5%	100.0	70.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid , Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Ethanol	5%	100.0	60.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid , Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1-Propanol	5%	100.0	66.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid , Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Methanol	10%	100.0	53.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid , Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Ethanol	10%	100.0	46.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid , Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	5%	100.0	61.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid , Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	1%	100.0	140.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid , p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	5%	100.0	175.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid , p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	10%	100.0	180.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid , p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	15%	100.0	176.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid , p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	20%	100.0	176.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid , p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	25%	100.0	152.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid , p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	30%	100.0	178.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid , p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	35%	100.0	149.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid , p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	40%	100.0	168.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid , p-Nitrophenol	—	—	Classical aqueous control (in %)

Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1-Propanol	10%	100.0	46.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1,4-Dioxane	30%	100.0	0.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Methanol	2%	100.0	80.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Ethanol	2%	100.0	75.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1-Propanol	2%	100.0	76.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Methanol	5%	100.0	70.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Ethanol	5%	100.0	60.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1-Propanol	5%	100.0	66.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Methanol	10%	100.0	53.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Ethanol	10%	100.0	46.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	5%	100.0	61.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	1%	100.0	140.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid, p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	5%	100.0	175.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid, p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	10%	100.0	180.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid, p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	15%	100.0	176.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid, p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	20%	100.0	176.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid, p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	25%	100.0	152.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid, p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	30%	100.0	178.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid, p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	35%	100.0	149.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid, p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (p-nitrophenol absorbance measurement, 410 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	40%	100.0	168.0	%	100 mM MOPS	6	37°C	1 mM p-Nitrophenol acetate	Acetic Acid, p-Nitrophenol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1,4-Dioxane	20%	100.0	1.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	1%	100.0	89.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	10%	100.0	42.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	15%	100.0	30.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	20%	100.0	20.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	25%	100.0	14.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	30%	100.0	6.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	40%	100.0	0.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	50%	100.0	0.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Acetone	1%	100.0	85.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Acetone	5%	100.0	46.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Acetone	10%	100.0	19.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Acetone	15%	100.0	7.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Acetone	20%	100.0	3.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Acetone	25%	100.0	0.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1,4-Dioxane	1%	100.0	84.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1,4-Dioxane	5%	100.0	52.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1,4-Dioxane	10%	100.0	26.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1,4-Dioxane	15%	100.0	10.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity - Classical	Activity measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1,4-Dioxane	25%	100.0	0.0	%	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Classical aqueous control (in %)
Activity + Stability - Incubation	Activity after incubation (96 hours at 37°C) measured by absorbance spectrophotometry (p-coumaric acid absorbance measurement, 335 nm) in the presence of organic solvent	Acetone	5%	0.0	1.54	U/mg	Incubation: 100 mM MOPS, Assay: 100 mM MOPS	Incubation: 6, Assay: 6	Incubation: 37°C, Assay: 37°C	60 µM Methyl p-coumarate	Methanol, p-Coumaric acid	—	—	Non-incubated control (in U/mg), assay in the presence of organic solvent \| Clear about assay in the presence of organic solvent and control in aqueous phase
Activity + Stability - Incubation	Activity after incubation (96 hours at 37°C) measured by absorbance spectrophotometry (p-coumaric acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	5%	0.0	1.47	U/mg	Incubation: 100 mM MOPS, Assay: 100 mM MOPS	Incubation: 6, Assay: 6	Incubation: 37°C, Assay: 37°C	60 µM Methyl p-coumarate	Methanol, p-Coumaric acid	—	—	Non-incubated control (in U/mg), assay in the presence of organic solvent \| Clear about assay in the presence of organic solvent and control in aqueous phase
Activity + Stability - Incubation	Activity after incubation (96 hours at 37°C) measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Acetone	5%	6.06	7.37	U/mg	Incubation: 100 mM MOPS, Assay: 100 mM MOPS	Incubation: 6, Assay: 6	Incubation: 37°C, Assay: 37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Non-incubated control (in U/mg), assay in the presence of organic solvent \| Clear about assay in the presence of organic solvent and control in aqueous phase
Activity + Stability - Incubation	Activity after incubation (96 hours at 37°C) measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	5%	6.06	7.16	U/mg	Incubation: 100 mM MOPS, Assay: 100 mM MOPS	Incubation: 6, Assay: 6	Incubation: 37°C, Assay: 37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Non-incubated control (in U/mg), assay in the presence of organic solvent \| Clear about assay in the presence of organic solvent and control in aqueous phase
Stability - C50	Concentration (in % v/v) for which 50% of enzyme activity is lost, as measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	—	—	8.0	% (v/v)	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Not applicable control (in % (v/v))
Stability - C50	Concentration (in % v/v) for which 50% of enzyme activity is lost, as measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	1,4-Dioxane	—	—	6.0	% (v/v)	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Not applicable control (in % (v/v))
Stability - C50	Concentration (in % v/v) for which 50% of enzyme activity is lost, as measured by absorbance spectrophotometry (p-coumaric acid absorbance measurement, 335 nm) in the presence of organic solvent	Acetone	—	—	0.0	% (v/v)	100 mM MOPS	6	37°C	60 µM Methyl p-coumarate	Methanol, p-Coumaric acid	—	—	Not applicable control (in % (v/v))
Stability - C50	Concentration (in % v/v) for which 50% of enzyme activity is lost, as measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Acetone	—	—	5.0	% (v/v)	100 mM MOPS	6	37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Not applicable control (in % (v/v))
Stability - C50	Concentration (in % v/v) for which 50% of enzyme activity is lost, as measured by absorbance spectrophotometry (p-coumaric acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	—	—	0.0	% (v/v)	100 mM MOPS	6	37°C	60 µM Methyl p-coumarate	Methanol, p-Coumaric acid	—	—	Not applicable control (in % (v/v))
Stability - Incubation	Activity after incubation (96 hours at 37°C) measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	5%	5.97	7.16	U/mg	Incubation: 100 mM MOPS, Assay: 100 mM MOPS	Incubation: 6, Assay: 6	Incubation: 37°C, Assay: 37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Non-incubated control (in U/mg) in the presence of organic solvent (1 minute incubation, 5% DMSO), assay in the presence of organic solvent \| Clear about assay in the presence of organic solvent and control in the presence of organic solvent
Stability - Incubation	Activity after incubation (96 hours at 37°C) measured by absorbance spectrophotometry (ferulic acid absorbance measurement, 335 nm) in the presence of organic solvent	Acetone	5%	6.12	7.37	U/mg	Incubation: 100 mM MOPS, Assay: 100 mM MOPS	Incubation: 6, Assay: 6	Incubation: 37°C, Assay: 37°C	60 µM Methyl ferulate	Ferulic acid, Methanol	—	—	Non-incubated control (in U/mg) in the presence of organic solvent (1 minute incubation, 5% acetone), assay in the presence of organic solvent \| Clear about assay in the presence of organic solvent and control in the presence of organic solvent
Stability - Incubation	Activity after incubation (96 hours at 37°C) measured by absorbance spectrophotometry (p-coumaric acid absorbance measurement, 335 nm) in the presence of organic solvent	Dimethyl Sulfoxide (DMSO)	5%	0.0	1.47	U/mg	Incubation: 100 mM MOPS, Assay: 100 mM MOPS	Incubation: 6, Assay: 6	Incubation: 37°C, Assay: 37°C	60 µM Methyl p-coumarate	Methanol, p-Coumaric acid	—	—	Non-incubated control (in U/mg) in the presence of organic solvent (1 minute incubation, 5% DMSO), assay in the presence of organic solvent \| Clear about assay in the presence of organic solvent and control in the presence of organic solvent
Stability - Incubation	Activity after incubation (96 hours at 37°C) measured by absorbance spectrophotometry (p-coumaric acid absorbance measurement, 335 nm) in the presence of organic solvent	Acetone	5%	0.0	1.54	U/mg	Incubation: 100 mM MOPS, Assay: 100 mM MOPS	Incubation: 6, Assay: 6	Incubation: 37°C, Assay: 37°C	60 µM Methyl p-coumarate	Methanol, p-Coumaric acid	—	—	Non-incubated control (in U/mg) in the presence of organic solvent (1 minute incubation, 5% acetone), assay in the presence of organic solvent \| Clear about assay in the presence of organic solvent and control in the presence of organic solvent

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Visualization : Activity — Classical

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Visualization : Stability — Incubation

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Visualization : Activity + Stability — Incubation

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Visualization : Stability — C₅₀

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Structure

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Feruloyl esterase A (gene faeA) from Aspergillus niger

Enzyme Description

Sequence

Experimental Data (53 measurements)

Visualization : Activity — Classical

Visualization : Stability — Incubation

Visualization : Activity + Stability — Incubation

Visualization : Stability — C50

Structure

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Visualization : Stability — C₅₀