The isomerization of neopinone to codeinone is a critical step in the biosynthesis of opiate alkaloids in opium poppy. Previously assumed to be spontaneous, the process is in fact catalyzed enzymatically by neopinone isomerase (NISO). Without NISO the primary metabolic products in the plant, in engineered microbes and in vitro are neopine and neomorphine, which are structural isomers of codeine and morphine, respectively. Inclusion of NISO in yeast strains engineered to convert thebaine to natural or semisynthetic opiates dramatically enhances formation of the desired products at the expense of neopine and neomorphine accumulation. Along with thebaine synthase, NISO is the second member of the pathogenesis-related 10 (PR10) protein family recently implicated in the enzymatic catalysis of a presumed spontaneous conversion in morphine biosynthesis.
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Australian Natl Univ, Res Sch Chem, Canberra, ACT, AustraliaAustralian Natl Univ, Res Sch Chem, Canberra, ACT, Australia
Clifton, Ben E.
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Kaczmarski, Joe A.
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Carr, Paul D.
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Australian Natl Univ, Res Sch Chem, Canberra, ACT, AustraliaAustralian Natl Univ, Res Sch Chem, Canberra, ACT, Australia
Carr, Paul D.
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Gerth, Monica L.
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Univ Otago, Dept Biochem, Dunedin, New Zealand
Victoria Univ Wellington, Sch Biol Sci, Wellington, New ZealandAustralian Natl Univ, Res Sch Chem, Canberra, ACT, Australia
Gerth, Monica L.
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Tokuriki, Nobuhiko
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Univ British Columbia, Michael Smith Labs, Vancouver, BC, CanadaAustralian Natl Univ, Res Sch Chem, Canberra, ACT, Australia
Tokuriki, Nobuhiko
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Jackson, Colin J.
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Australian Natl Univ, Res Sch Chem, Canberra, ACT, AustraliaAustralian Natl Univ, Res Sch Chem, Canberra, ACT, Australia
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Australian Natl Univ, Res Sch Chem, Canberra, ACT, AustraliaAustralian Natl Univ, Res Sch Chem, Canberra, ACT, Australia
Clifton, Ben E.
;
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h-index:
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Kaczmarski, Joe A.
;
Carr, Paul D.
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h-index: 0
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Australian Natl Univ, Res Sch Chem, Canberra, ACT, AustraliaAustralian Natl Univ, Res Sch Chem, Canberra, ACT, Australia
Carr, Paul D.
;
Gerth, Monica L.
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h-index: 0
机构:
Univ Otago, Dept Biochem, Dunedin, New Zealand
Victoria Univ Wellington, Sch Biol Sci, Wellington, New ZealandAustralian Natl Univ, Res Sch Chem, Canberra, ACT, Australia
Gerth, Monica L.
;
Tokuriki, Nobuhiko
论文数: 0引用数: 0
h-index: 0
机构:
Univ British Columbia, Michael Smith Labs, Vancouver, BC, CanadaAustralian Natl Univ, Res Sch Chem, Canberra, ACT, Australia
Tokuriki, Nobuhiko
;
Jackson, Colin J.
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Australian Natl Univ, Res Sch Chem, Canberra, ACT, AustraliaAustralian Natl Univ, Res Sch Chem, Canberra, ACT, Australia