Engineering highly functional thermostable proteins using ancestral sequence reconstruction
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Engineering highly functional thermostable proteins using ancestral sequence reconstruction. / Gumulya, Yosephin; Baek, Jong-min; Wun, Shun-jie; Thomson, Raine E. S.; Harris, Kurt L.; Hunter, Dominic J. B.; Behrendorff, James B.Y.H.; Kulig, Justyna; Zheng, Shan; Wu, Xueming; Wu, Bin; Stok, Jeanette E.; De Voss, James J.; Schenk, Gerhard; Jurva, Ulrik; Andersson, Shalini; Isin, Emre M.; Bodén, Mikael; Guddat, Luke; Gillam, Elizabeth M. J.
In: Nature Catalysis, Vol. 1, No. 11, 2018, p. 878-888.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Engineering highly functional thermostable proteins using ancestral sequence reconstruction
AU - Gumulya, Yosephin
AU - Baek, Jong-min
AU - Wun, Shun-jie
AU - Thomson, Raine E. S.
AU - Harris, Kurt L.
AU - Hunter, Dominic J. B.
AU - Behrendorff, James B.Y.H.
AU - Kulig, Justyna
AU - Zheng, Shan
AU - Wu, Xueming
AU - Wu, Bin
AU - Stok, Jeanette E.
AU - De Voss, James J.
AU - Schenk, Gerhard
AU - Jurva, Ulrik
AU - Andersson, Shalini
AU - Isin, Emre M.
AU - Bodén, Mikael
AU - Guddat, Luke
AU - Gillam, Elizabeth M. J.
PY - 2018
Y1 - 2018
N2 - Commercial biocatalysis requires robust enzymes that can withstand elevated temperatures and long incubations. Ancestral reconstruction has shown that pre-Cambrian enzymes were often much more thermostable than extant forms. Here, we resurrect ancestral enzymes that withstand ~30 °C higher temperatures and ≥100 times longer incubations than their extant forms. This is demonstrated on animal cytochromes P450 that stereo- and regioselectively functionalize unactivated C–H bonds for the synthesis of valuable chemicals, and bacterial ketol-acid reductoisomerases that are used to make butanol-based biofuels. The vertebrate CYP3 P450 ancestor showed a 60T50 of 66 °C and enhanced solvent tolerance compared with the human drug-metabolizing CYP3A4, yet comparable activity towards a similarly broad range of substrates. The ancestral ketol-acid reductoisomerase showed an eight-fold higher specific activity than the cognate Escherichia coli form at 25 °C, which increased 3.5-fold at 50 °C. Thus, thermostable proteins can be devised using sequence data alone from even recent ancestors.
AB - Commercial biocatalysis requires robust enzymes that can withstand elevated temperatures and long incubations. Ancestral reconstruction has shown that pre-Cambrian enzymes were often much more thermostable than extant forms. Here, we resurrect ancestral enzymes that withstand ~30 °C higher temperatures and ≥100 times longer incubations than their extant forms. This is demonstrated on animal cytochromes P450 that stereo- and regioselectively functionalize unactivated C–H bonds for the synthesis of valuable chemicals, and bacterial ketol-acid reductoisomerases that are used to make butanol-based biofuels. The vertebrate CYP3 P450 ancestor showed a 60T50 of 66 °C and enhanced solvent tolerance compared with the human drug-metabolizing CYP3A4, yet comparable activity towards a similarly broad range of substrates. The ancestral ketol-acid reductoisomerase showed an eight-fold higher specific activity than the cognate Escherichia coli form at 25 °C, which increased 3.5-fold at 50 °C. Thus, thermostable proteins can be devised using sequence data alone from even recent ancestors.
U2 - 10.1038/s41929-018-0159-5
DO - 10.1038/s41929-018-0159-5
M3 - Journal article
VL - 1
SP - 878
EP - 888
JO - Nature Catalysis
JF - Nature Catalysis
SN - 2520-1158
IS - 11
ER -
ID: 212167152