Amylopullulanase (gene TbbApu) from Thermoanaerobacter brockii

Enzyme Description

Extremophile
Yes thermophilic organism

Sequence

Length: 1674 amino acids
MFKRRTLGFLLSFLLIYTAVFGSMPVQFAKAETDTAPAIANVVGDFQSKIGDSDWNINSDKTVMTYKGNGFYEFTTPVALPAGDYEYKVALNHSWEGGGVPSQGNLSLHLDSDSVVTFYYNYNTSSVTDSTKYTPIPEEKLPRIVGTIQSAIGAGDDWKPETSTAIMRDYKFNNVYEYTANVPKGYYEFKVTLGPSWDINYGLNGEQNGPNIPLNVAYDTKITFYYDSVSHNIWTDYNPPLTGPDNNIYYDDLKHDTHDPFFRSPFGAIKTGDTVTLRIQAKNHDLESAKISYWDDIKKTRTEVPMYKIGQSPDGQYEYWEVKLSFDYPTRIWYYFILKDGTKTAYYGDNDEQLGGVGKATDTVNKDFELTVYDKNLDTPDWMKGAVMYQIFPDRFYNGDPLNDRLKEYSRGFDPVEYHDDWYDLPDNPNDKDKPGYTGDGIWNNDFFGGDLQGINDKLDYLKNLGISVIYLNPIFQSPSNHRYDTTDYTKIDELLGDLDTFKTLMKEAHARGIKVILDGVFNHTSDDSIYFDRYGKYLDNELGAYQAWKQGDQSKSPYGDWYEIKPDGTYEGWWGFDSLPVIRQINGSEYNVKSWADFIINNPNAISKYWLNPDGDKDAGADGWRLDVANEIAHDFWVHFRAAINTVKPNAPMIAELWGDASLDLLGDSFNSVMNYLFRNAVIDFILDKQFDDGNVVHNPIDAAKLDQRLMSIYERYPLPVFYSTMNLLGSHDTMRILTVFGYNSANENQNSQEAKDLAVKRLKLAAILQMGYPGMPSIYYGDEAGQSGGKDPDNRRTFSWGREDKDLQDFFKKVVNIRNENQVLKTGDLETLYANGDVYAFGRRIINGKDVFGNSYPDSVAIVVINKGEAKSVQIDTTKFVRDGVAFTDALSGKTYTVRDGQIVVEVVALDGAILISDPGQNLTAPQPITDLKAVSGNGQVDLSWSAVDRAVSYNIYRSTVKGGLYEKIASNVTQITYIDTDVTNGLKYVYSVTAVDSDGNESALSNEVEAYPAFSIGWAGNMNQVDTHVIGVNNPVEVYAEIWAEGLTDKPGQGENMIAQLGYRYIGDGGQDATRNKVEGVEINKDWTWVDARYVGDSGNNDKYMAKFVPDMVGTWEYIMRFSSNQGQDWTYTKGPDGKTDEAKQFIVVPSNDVEPPTALGLQQPGIESSRVTLNWSLSTDNVAIYGYEIYKSLSETGPFVKIATVADTVYNYVDTDVVNGKVYYYKVVAVDTSFNRTASNIVKATPDIIPIKVIFNVTVPDYTPDDGANIAGNFHDAFWNPSAHQMTKTGPNTYSITLTLNEGTQLEYKYARGSWDKVEKGEYGEEIANRKITVVNQGSNTMVVNDTVQRWRDLPIYIYSPKDNTTVDANTNEIEIKGNTYKGAKVTINDESFVQQENGVFTKVVPLEYGVNTTKIHVEPSGDKNNELTKDITITVIREEPVQEKEPTPTPESEPAPMPEPQPTPTPEPQPSCNYGIVTASTLNLREGASITSKIIGTIPAGKVVKWLEEVNGWYKVDYNGKVGYVSTKYVSSVPDPSKVTVAKSVKVIVKSGLNVRVSSSVAARKIGAVPYGTELKVVEERNGWYLVQYKDGFGYIYSVYTVDTKASVLKTVKVTAKSGLNVRAGDSVKARKIGAVPYGTQLKVVGEYGAWYLIQYKNGFGYVYAKYTK
Hande Mumcu et al. (2023) β€” Cloning and characterization of thermostable amylopullulanase TbbApu and its C-terminal truncated variants with enhanced activity in organic solvents
Enzyme and Microbial Technology  Β· doi:10.1016/j.enzmictec.2022.110176 β†—  Β· Activity - Classical Stability - Incubation
64 measurements
Database ID
Sequence Annotation
Explicit - Provided GenBank Accession Number
Protein Source
Recombinant, host bacterium Escherichia coli BL21

Experimental Data (64 measurements)

64 measurements β€” page 3 of 4
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 (DNS assay, 540 nm) in aqueous phase 1-Butanol 50% 100.0 38.0 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 75Β°C 1 % (v/v) Starch Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase n-Hexane 50% 100.0 88.6 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 75Β°C 1 % (v/v) Starch Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase Glycerol 50% 100.0 18.1 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 75Β°C 1 % (v/v) Starch Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase Isopropanol 50% 100.0 36.1 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase Acetone 50% 100.0 90.7 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase Ethanol 50% 100.0 38.8 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase Methanol 50% 100.0 41.8 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase 1-Butanol 50% 100.0 30.0 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase n-Hexane 50% 100.0 100.0 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase Glycerol 50% 100.0 39.6 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase Glycerol 20% 100.0 55.8 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase n-Hexane 20% 100.0 100.0 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase 1-Butanol 20% 100.0 48.1 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase Methanol 20% 100.0 76.8 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase Ethanol 20% 100.0 57.9 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase Acetone 20% 100.0 92.3 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase Isopropanol 20% 100.0 66.0 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 70Β°C 1 % (v/v) Pullulan Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase Glycerol 20% 100.0 53.0 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 75Β°C 1 % (v/v) Starch Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase n-Hexane 20% 100.0 100.0 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 75Β°C 1 % (v/v) Starch Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
Stability - Incubation Activity after incubation (24 hours at 25Β°C), measured by absorbance spectrophotometry (DNS assay, 540 nm) in aqueous phase 1-Butanol 20% 100.0 47.9 % Incubation: ?, Assay: 100 mM potassium phosphate buffer Incubation: ?, Assay: 6.5 Incubation: 25Β°C, Assay: 75Β°C 1 % (v/v) Starch Reducing sugars β€” β€” Non-incubated control (in %), assay in aqueous phase | Clear about assay in diluted aqueous conditions ("organic solvent treated samples were diluted at a 1:3 ratio and a standard activity assay was performed for each enzyme")
1 2 3 4

Visualization : Activity β€” Classical

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

Visualization : Stability β€” Incubation

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

Structure

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