1.23.1.2: (+)-lariciresinol reductase
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For detailed information about (+)-lariciresinol reductase, go to the full flat file.
Reaction
Synonyms
(+)-lariciresinol reductase, (+)-pinoresinol-(+)-lariciresinol reductase, (+)-pinoresinol/(+)-lariciresinol reductase, bi-functional pinoresinol/lariciresinol reductase, bifunctional pinoresinol-lariciresinol reductase 2, LuPLR2, More, pinoresinol reductase, pinoresinol reductase 2, pinoresinol-lariciresinol reductase, pinoresinol-lariciresinol reductase-2, pinoresinol/lariciresinol reductase, PLR, PLR-La1, PLR-Lc1, PLR-Lu2, PLR-Tp2, PLR1, PLR2, PrR2, RR-pinoresinol-RR-lariciresinol reductase
ECTree
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General Information on EC 1.23.1.2 - (+)-lariciresinol reductase
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GENERAL INFORMATION 
ORGANISM
UNIPROT
COMMENTARY 
LITERATURE
metabolism
physiological function
additional information
analysis of transcriptional regulation of the LuPLR2 gene from flax, overview. Spatiotemporal LuPLR2 gene expression pattern in relation to yatein biosynthesis
metabolism
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(+)-pinoresinol/(+)-lariciresinol reductase is a pivotal branchpoint enzyme in lignan biosynthesis
metabolism
the enzyme participates in (-)-hinokinin biosynthesis in Linum corymbulosum by the first of the two hypothetical pathways via (-)-secoisolariciresinol
metabolism
pinoresinol is successively converted into lariciresinol and secoisolariciresinol by PrR. Secoisolariciresinol is glycosylated to secoisolariciresinol diglucoside (SDG). PLR has enantiomeric control on the lignan biosynthetic pathway
metabolism
the enzyme is involved in the biosynthetic pathway of lignans in flax Linum usitatissimum, overview
physiological function
LuPLR2 is involved in the early steps of (-)-secoisolariciresinol ((-)-SECO) biosynthesis and derived lignans (yatein, hinokinin, bursehernin, thujaplicatin, and matairesinol dimethyl ether) accumulated mainly in leaves. In vivo involvement of the LuPLR2 gene in the biosynthesis of (-)-yatein accumulated in flax leaves. The enzyme expression is correlated to yatein, a lignan, accumulation in plant leaves. Lignans are probably involved in plant defense mechanisms and given the presence of several cis-regulatory elements potentially involved in the plant defense response revealed by the in silico analysis of LuPLR2, presence of two MYB-binding sites in LuPLR2
physiological function
pinoresinol reductase catalyzes the conversion of the lignan pinoresinol to lariciresinol in Arabidopsis thaliana, where it is encoded by two genes, PrR1 and PrR2, that appear to act redundantly. The isozyme PrR2 is responsible for the synthesis of the enantiomer (-)-secoisolariciresinol
physiological function
recombinant expression of gene pinZ in Arabidopsis thaliana causes dynamic metabolic changes in stems, but not in roots and leaves. Expression of pinZ influenced the metabolisms of lignan and glucosinolates but not so much of neolignans such as guaiacylglycerol-8-O-4'-feruloyl ethers
