1.3.1.82: (-)-isopiperitenone reductase

This is an abbreviated version!
For detailed information about (-)-isopiperitenone reductase, go to the full flat file.

Word Map on EC 1.3.1.82

1.3.1.82

reductases

monoterpene

mentha

ketoreduction

pinpointing

alkenes

menthone

peppermint

ketoreductases

Reaction

Synonyms

IPR, isopiperitenone reductase, More, NADPH-dependent isopiperitenone reductase

ECTree

1 Oxidoreductases

1.3 Acting on the CH-CH group of donors

1.3.1 With NAD⁺ or NADP⁺ as acceptor

1.3.1.82 (-)-isopiperitenone reductase

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Results	in table
2	AA Sequence
1	CAS Registry Number
3	Cloned(Commentary)
5	Cofactor
1	Crystallization (Commentary)
2	Expression
6	General Information
2	KM Value [mM]
2	Localization
3	Molecular Weight [Da]
14	Natural Substrates/ Products (Substrates)
8	Organism
3	Pathway
3	PDB ID
3	pH Optimum
2	pH Range
1	Protein Variants
1	Purification (Commentary)
1	Reaction
8	Reference
9	Source Tissue
17	Substrates and Products (Substrate)
2	Subunits
10	Synonyms
1	Systematic Name
1	Temperature Optimum [°C]
2	Turnover Number [1/s]

Systematic Name

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Systematic Name on EC 1.3.1.82 - (-)-isopiperitenone reductase

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(+)-cis-isopulegone:NADP+ oxidoreductase

The reaction occurs in the opposite direction to that shown above. The enzyme participates in the menthol-biosynthesis pathway of Mentha plants. (+)-Pulegone, (+)-cis-isopulegone and (-)-menthone are not substrates. The enzyme has a preference for NADPH as the reductant, with NADH being a poor substitute [2]. The enzyme is highly regioselective for the reduction of the endocyclic 1,2-double bond, and is stereoselective, producing only the 1R-configured product. It is a member of the short-chain dehydrogenase/reductase superfamily.