Ο‰-transaminase from Aspergillus terreus

Enzyme Description

Extremophile
No
EC Number

Sequence

Length: 333 amino acids
MASMDKVFAGYAARQAILESTETTNPFAKGIAWVEGELVPLAEARIPLLDQGFMHSDLTYDVPSVWDGRFFRLDDHITRLEASCTKLRLRLPLPRDQVKQILVEMVAKSGIRDAFVELIVTRGLKGVRGTRPEDIVNNLYMFVQPYVWVMEPDMQRVGGSAVVARTVRRVPPGAIDPTVKNLQWGDLVRGMFEAADRGATYPFLTDGDAHLTEGSGFNIVLVKDGVLYTPDRGVLQGVTRKSVINAAEAFGIEVRVEFVPVELAYRCDEIFMCTTAGGIMPITTLDGMPVNGGQIGPITKKIWDGYWAMHYDAAYSFEIDYNERNLEHHHHHH
Shuai Qiua et al. (2025) β€” Computer-aided design for enhancing the tolerance of Ο‰-amine transaminase against methanol as a cosolvent
Bioorganic Chemistry  Β· doi:10.1016/j.bioorg.2025.108913 β†—  Β· Activity - Classical Activity - Michaelis-Menten Stability - Half-life
128 measurements
Database ID
Sequence Annotation
Explicit - Provided PDB Accession Number
Protein Source
Recombinant, host bacterium Escherichia coli BL21 (DE3)

Experimental Data (128 measurements)

128 measurements β€” page 7 of 7
Mutation Property Assay Solvent Solvent Volume Aqueous ReferenceWT Reference Measured Value Units Solution pH Temperature Substrate(s) Product(s) Cofactor(s) Shaking Comments
Q294R Stability - Half-life Half-life (in minutes), measured after incubation at 30Β°C, with HPLC assay in the presence of organic solvent Methanol 30% β€” 6.23 4.6 minutes Incubation: 50 mM PBS buffer, Assay: 50 mM PBS buffer Incubation: 8, Assay: 8 Incubation: 30Β°C, Assay: 30Β°C 20 mM (R)-1-Phenylethylamine, 20 mM 1-Acetylnaphthalene (R)-1-(1-naphthyl)ethylamine , Acetophenone Assay: 0.1 mM PLP β€” Wild-type control with organic solvent (in minutes)
Q294E Stability - Half-life Half-life (in minutes), measured after incubation at 30Β°C, with HPLC assay in the presence of organic solvent Methanol 30% β€” 6.23 5.0 minutes Incubation: 50 mM PBS buffer, Assay: 50 mM PBS buffer Incubation: 8, Assay: 8 Incubation: 30Β°C, Assay: 30Β°C 20 mM (R)-1-Phenylethylamine, 20 mM 1-Acetylnaphthalene (R)-1-(1-naphthyl)ethylamine , Acetophenone Assay: 0.1 mM PLP β€” Wild-type control with organic solvent (in minutes)
Q294M Stability - Half-life Half-life (in minutes), measured after incubation at 30Β°C, with HPLC assay in the presence of organic solvent Methanol 30% β€” 6.23 4.8 minutes Incubation: 50 mM PBS buffer, Assay: 50 mM PBS buffer Incubation: 8, Assay: 8 Incubation: 30Β°C, Assay: 30Β°C 20 mM (R)-1-Phenylethylamine, 20 mM 1-Acetylnaphthalene (R)-1-(1-naphthyl)ethylamine , Acetophenone Assay: 0.1 mM PLP β€” Wild-type control with organic solvent (in minutes)
Q294P Stability - Half-life Half-life (in minutes), measured after incubation at 30Β°C, with HPLC assay in the presence of organic solvent Methanol 30% β€” 6.23 7.4 minutes Incubation: 50 mM PBS buffer, Assay: 50 mM PBS buffer Incubation: 8, Assay: 8 Incubation: 30Β°C, Assay: 30Β°C 20 mM (R)-1-Phenylethylamine, 20 mM 1-Acetylnaphthalene (R)-1-(1-naphthyl)ethylamine , Acetophenone Assay: 0.1 mM PLP β€” Wild-type control with organic solvent (in minutes)
Q294D Stability - Half-life Half-life (in minutes), measured after incubation at 30Β°C, with HPLC assay in the presence of organic solvent Methanol 30% β€” 6.23 7.1 minutes Incubation: 50 mM PBS buffer, Assay: 50 mM PBS buffer Incubation: 8, Assay: 8 Incubation: 30Β°C, Assay: 30Β°C 20 mM (R)-1-Phenylethylamine, 20 mM 1-Acetylnaphthalene (R)-1-(1-naphthyl)ethylamine , Acetophenone Assay: 0.1 mM PLP β€” Wild-type control with organic solvent (in minutes)
Q294F Stability - Half-life Half-life (in minutes), measured after incubation at 30Β°C, with HPLC assay in the presence of organic solvent Methanol 30% β€” 6.23 6.8 minutes Incubation: 50 mM PBS buffer, Assay: 50 mM PBS buffer Incubation: 8, Assay: 8 Incubation: 30Β°C, Assay: 30Β°C 20 mM (R)-1-Phenylethylamine, 20 mM 1-Acetylnaphthalene (R)-1-(1-naphthyl)ethylamine , Acetophenone Assay: 0.1 mM PLP β€” Wild-type control with organic solvent (in minutes)
Q294W Stability - Half-life Half-life (in minutes), measured after incubation at 30Β°C, with HPLC assay in the presence of organic solvent Methanol 30% β€” 6.23 7.2 minutes Incubation: 50 mM PBS buffer, Assay: 50 mM PBS buffer Incubation: 8, Assay: 8 Incubation: 30Β°C, Assay: 30Β°C 20 mM (R)-1-Phenylethylamine, 20 mM 1-Acetylnaphthalene (R)-1-(1-naphthyl)ethylamine , Acetophenone Assay: 0.1 mM PLP β€” Wild-type control with organic solvent (in minutes)
Q294V Stability - Half-life Half-life (in minutes), measured after incubation at 30Β°C, with HPLC assay in the presence of organic solvent Methanol 30% β€” 6.23 5.5 minutes Incubation: 50 mM PBS buffer, Assay: 50 mM PBS buffer Incubation: 8, Assay: 8 Incubation: 30Β°C, Assay: 30Β°C 20 mM (R)-1-Phenylethylamine, 20 mM 1-Acetylnaphthalene (R)-1-(1-naphthyl)ethylamine , Acetophenone Assay: 0.1 mM PLP β€” Wild-type control with organic solvent (in minutes)
1 … 4 5 6 7
Next β€Ί
Mutations in this dataset (109)

Visualization : Activity β€” Classical

One bar per measurement. Colour = solvent, shade = solvent volume. β€” β€” β€” Reference value. Hover for details.

Mutation Effect

Mutation impact on enzyme stability and function in the presence of organic solvent: comparison of wild-type and mutant values in identical conditions.

Visualization : Activity β€” Michaelis-Menten

One bar per measurement. Colour = solvent, shade = solvent volume. β€” β€” β€” Reference value. Hover for details.

Visualization : Stability β€” Half-life

Mutation Effect

Select a condition below. Conditions with >50 mutations show a heatmap, ranked lollipop, or ranked lollipop; others show paired bars per mutation.

Structure

🧬

No structure available for this protein.