Difference between revisions of "Part:BBa K4949001"
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'''Figure 1.''' Michaelis-Menten Esterase Activity Assay of <i>Thermoanaerobacter thermohydrosulfuricus</i> lipase with 4-nitrophenyl butyrate (pNOB). Assays were conducted with 1.5 µM of lipase in PBS with pNOB concentration ranging from 0.0365 - 0.11 µM. The rate of change of absorbance was monitored at 410 nm for 1 min. A) Wild-type TTL lipase chromogenic assay with initial rate as a function of substrate concentration at 25 B) Wild-type TTL lipase chromogenic assay with initial rate as a function of substrate concentration at 60 ℃ C) TTL lipase chromogenic assay with initial rate as a function of substrate concentration, with norleucine introduced by residue specifically by SPI at 25 ℃ D)  TTL lipase chromogenic assay with initial rate as a function of substrate concentration, with norleucine introduced by residue.
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'''Figure 1.''' Michaelis-Menten Esterase Activity Assay of MGS0156 with 4-nitrophenyl octanoate (NPO). Assays were conducted with 1.5 µM of lipase in PBS with NPO concentration ranging from 0.0365-0.11 µM. The rate of change in absorbance was monitored at 410 nm for 1 min. A) Wild type MGS0156 chromogenic assay with initial rate as a function of substrate concentration at 25 ℃ B) Wild type MGS0156 chromogenic assay with initial rate as a function of substrate concentration at 60 ℃ C) MGS0156 chromogenic assay with initial rate as a function of substrate concentration, with norleucine introduced by residue specifically by SPI at 25 ℃
  
 
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'''Figure 2.''' Michaelis-Menten Esterase Activity Assay of <i>Thermoanaerobacter thermohydrosulfuricus</i> lipase with 4-nitrophenyl octanoate (NPO). Assays were conducted with 1.5 µM of lipase in PBS with pNOB concentration ranging from 0.0365-0.11 µM. The rate of change of absorbance was monitored at 410 nm for 1 min. A) Wild-type TTL lipase chromogenic assay with initial rate as a function of substrate concentration at 25 ℃ B) Wild-type TTL lipase chromogenic assay with initial rate as a function of substrate concentration at 60 ℃. C) TTL lipase chromogenic assay with initial rate as a function of substrate concentration, with norleucine introduced by residue specifically by SPI at 25℃. D) TTL lipase chromogenic assay with initial rate as a function of substrate concentration, with norleucine introduced by residue specifically by SPI at 60 ℃.
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'''Figure 2.''' Michaelis-Menten Esterase Activity Assay of MGS0156 with 4-nitrophenyl butyrate (pNOB). Assays were conducted with 1.5 µM of lipase in PBS with pNOB concentration ranging from 0.0365 - 0.11 µM. The rate of change in absorbance was monitored at 410 nm for 1 min. A) Wild-type MGS0156 chromogenic assay with initial rate as a function of substrate concentration at 25 degrees C. B) Wild-type MGS0156 chromogenic assay with initial rate as a function of substrate concentration at 60 ℃. C) MGS0156 chromogenic assay with initial rate as a function of substrate concentration, with norleucine introduced by residue specifically by SPI at 25℃.

Revision as of 02:14, 12 October 2023


Thermoanaerobacter thermohydrosulfuricus lipase (TTL)

Thermoanaerobacter thermohydrosulfuricus lipase (TTL) is a thermophilic lipase that has been studied in the potential degradation of polyethylene terephthalate (PET). This protein expresses well in E.coli and sufficient quantity can be purified by IMAC test is ability to cleave ester linkages.

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Figure 1. Michaelis-Menten Esterase Activity Assay of MGS0156 with 4-nitrophenyl octanoate (NPO). Assays were conducted with 1.5 µM of lipase in PBS with NPO concentration ranging from 0.0365-0.11 µM. The rate of change in absorbance was monitored at 410 nm for 1 min. A) Wild type MGS0156 chromogenic assay with initial rate as a function of substrate concentration at 25 ℃ B) Wild type MGS0156 chromogenic assay with initial rate as a function of substrate concentration at 60 ℃ C) MGS0156 chromogenic assay with initial rate as a function of substrate concentration, with norleucine introduced by residue specifically by SPI at 25 ℃


Figure 2. Michaelis-Menten Esterase Activity Assay of MGS0156 with 4-nitrophenyl butyrate (pNOB). Assays were conducted with 1.5 µM of lipase in PBS with pNOB concentration ranging from 0.0365 - 0.11 µM. The rate of change in absorbance was monitored at 410 nm for 1 min. A) Wild-type MGS0156 chromogenic assay with initial rate as a function of substrate concentration at 25 degrees C. B) Wild-type MGS0156 chromogenic assay with initial rate as a function of substrate concentration at 60 ℃. C) MGS0156 chromogenic assay with initial rate as a function of substrate concentration, with norleucine introduced by residue specifically by SPI at 25℃.