Ξ²-galactosidase from Aspergillus oryzae

Enzyme Description

Extremophile
No
EC Number

Sequence

Length: 1005 amino acids
MKLLSVAAVALLAAQAAGASIKHRLNGFTILEHPDPAKRDLLQDIVTWDDKSLFINGERIMLFSGEVHPFRLPVPSLWLDIFHKIRALGFNCVSFYIDWALLEGKPGDYRAEGIFALEPFFDAAKEAGIYLIARPGSYINAEVSGGGFPGWLQRVNGTLRSSDEPFLKATDNYIANAAAAVAKAQITNGGPVILYQPENEYSGGCCGVKYPDADYMQYVMDQARKADIVVPFISNDASPSGHNAPGSGTGAVDIYGHDSYPLGFDCANPSVWPEGKLPDNFRTLHLEQSPSTPYSLLEFQAGAFDPWGGPGFEKCYALVNHEFSRVFYRNDLSFGVSTFNLYMTFGGTNWGNLGHPGGYTSYDYGSPITETRNVTREKYSDIKLLANFVKASPSYLTATPRNLTTGVYTDTSDLAVTPLIGDSPGSFFVVRHTDYSSQESTSYKLKLPTSAGNLTIPQLEGTLSLNGRDSKIHVVDYNVSGTNIIYSTAEVFTWKKFDGNKVLVLYGGPKEHHELAIASKSNVTIIEGSDSGIVSTRKGSSVIIGWDVSSTRRIVQVGDLRVFLLDRNSAYNYWVPELPTEGTSPGFSTSKTTASSIIVKAGYLLRGAHLDGADLHLTADFNATTPIEVIGAPTGAKNLFVNGEKASHTVDKNGIWSSEVKYAAPEIKLPGLKDLDWKYLDTLPEIKSSYDDSAWVSADLPKTKNTHRPLDTPTSLYSSDYGFHTGYLIYRGHFVANGKESEFFIRTQGGSAFGSSVWLNETYLGSWTGADYAMDGNSTYKLSQLESGKNYVITVVIDNLGLDENWTVGEETMKNPRGILSYKLSGQDASAITWKLTGNLGGEDYQDKVRGPLNEGGLYAERQGFHQPQPPSESWESGSPLEGLSKPGIGFYTAQFDLDLPKGWDVPLYFNFGNNTQAARAQLYVNGYQYGKFTGNVGPQTSFPVPEGILNYRGTNYVALSLWALESDGAKLGSFELSYTTPVLTGYGNVESPEQPKYEQRKGAY
S. Shubhada et al. (1993) β€” Borate ion-assisted stabilization of beta-galactosidase from Aspergillus oryzae by polyhydroxy compounds in water-miscible organic solvents
Enzyme and Microbial Technology  Β· doi:10.1016/0141-0229(93)90102-8 β†—  Β· Stability - Incubation
144 measurements
Database ID
UniProt: Q2UCU3 β†—
Sequence Annotation
Inferred - from protein name
Protein Source
Commercially purchased

Experimental Data (144 measurements)

144 measurements β€” page 8 of 8
Property Assay Solvent Solvent Volume Aqueous Reference Measured Value Units Solution pH Temperature Substrate(s) Product(s) Cofactor(s) Shaking Comments
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (o-nitrophenol absorbance measurement, 420 nm) in aqueous phase 1,4-Dioxane 10% 100 6 % Incubation: Sodium borate buffer, Assay: 0.05 M sodium citrate-sodium phosphate and 1mM MgClβ‚‚ Incubation: 8, Assay: 4.5 Incubation: 25Β°C, Assay: 25Β°C 2 mM o-Nitrophenyl Ξ²-D-galactoside D-Galactose , o-Nitrophenol β€” β€” Non-incubated control (in %), assay in aqueous phase | Uncertainty about whether the assay really was in aqueous phase
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (o-nitrophenol absorbance measurement, 420 nm) in aqueous phase 1,4-Dioxane 25% 100 0 % Incubation: Sodium borate buffer, Assay: 0.05 M sodium citrate-sodium phosphate and 1mM MgClβ‚‚ Incubation: 8, Assay: 4.5 Incubation: 25Β°C, Assay: 25Β°C 2 mM o-Nitrophenyl Ξ²-D-galactoside D-Galactose , o-Nitrophenol β€” β€” Non-incubated control (in %), assay in aqueous phase | Uncertainty about whether the assay really was in aqueous phase
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (o-nitrophenol absorbance measurement, 420 nm) in aqueous phase 1,4-Dioxane 50% 100 0 % Incubation: Sodium borate buffer, Assay: 0.05 M sodium citrate-sodium phosphate and 1mM MgClβ‚‚ Incubation: 8, Assay: 4.5 Incubation: 25Β°C, Assay: 25Β°C 2 mM o-Nitrophenyl Ξ²-D-galactoside D-Galactose , o-Nitrophenol β€” β€” Non-incubated control (in %), assay in aqueous phase | Uncertainty about whether the assay really was in aqueous phase
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (o-nitrophenol absorbance measurement, 420 nm) in aqueous phase 1,4-Dioxane 60% 100 1 % Incubation: Sodium borate buffer, Assay: 0.05 M sodium citrate-sodium phosphate and 1mM MgClβ‚‚ Incubation: 8, Assay: 4.5 Incubation: 25Β°C, Assay: 25Β°C 2 mM o-Nitrophenyl Ξ²-D-galactoside D-Galactose , o-Nitrophenol β€” β€” Non-incubated control (in %), assay in aqueous phase | Uncertainty about whether the assay really was in aqueous phase
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Visualization : Stability β€” Incubation

One bar per measurement. Colour = solvent, shade = solvent volume.

Structure

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