Norcoclaurine Synthases With Increased Activity

Norcoclaurine Synthases With Increased Activity

The invention relates to norcoclaurine synthases and substrate binding sites having one or more site-specific mutation which increase the activity, when compared to the wild type synthase, of the condensation of 4-HPAA and dopamine to (S)-norcoclaurine and/or 3,4-DhPAA and dopamine to (S)-norlaudano...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Schwab, Markus, Sheridan, Joseph Michael, Heal, Jon Richard, Berninger, Philipp Friedrich, Grassinger, Franziska, Houghton-Larsen, Jens, Occhipinti, Laura, Hatsch, Anaelle
Format: Patent
Sprache:eng
Schlagworte:
BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SPIRITS
VINEGAR
WINE
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Beschreibung
Zusammenfassung:The invention relates to norcoclaurine synthases and substrate binding sites having one or more site-specific mutation which increase the activity, when compared to the wild type synthase, of the condensation of 4-HPAA and dopamine to (S)-norcoclaurine and/or 3,4-DhPAA and dopamine to (S)-norlaudanosoline. The inventors both identified specific mutations corresponding to at position 73, 75, 77, 82, 99, 114, 141, 142, 147, 152, 174 and/or 178 in the count according to SEQ ID No: 1, and sites corresponding to the binding domains defined in SEQ ID NO: 4 and 5, where the mutated increase of the activity may be positioned within these norcoclaurine synthases. These domains are conserved regions.