ExplorEnz: EC 1.23.1.2

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1.23.1.2

Accepted name:

(+)-lariciresinol reductase

Reaction:

(–)-secoisolariciresinol + NADP⁺ = (+)-lariciresinol + NADPH + H⁺

For diagram of matairesinol biosynthesis, click here

Glossary:

(+)-lariciresinol = 4-[(2S,3R,4R)-4-[(4-hydroxy-3-methoxyphenyl)methyl]-3-(hydroxymethyl)oxolan-2-yl]-2-methoxyphenol
(–)-secoisolariciresinol = (2R,3R)-2,3-bis[(4-hydroxy-3-methoxyphenyl)methyl]butane-1,4-diol

Other name(s):

pinoresinol/lariciresinol reductase; pinoresinol-lariciresinol reductases; (+)-pinoresinol/(+)-lariciresinol; (+)-pinoresinol-(+)-lariciresinol reductase; PLR

Systematic name:

(–)-secoisolariciresinol:NADP⁺ oxidoreductase

Comments:

The reaction is catalysed in vivo in the opposite direction to that shown. A multifunctional enzyme that also reduces (+)-pinoresinol [EC 1.23.1.1, (+)-pinoresinol reductase]. Isolated from the plants Forsythia intermedia [1,2], Thuja plicata (western red cedar) [3], Linum perenne (perennial flax) [5] and Linum corymbulosum [6].

Links to other databases:

BRENDA, EXPASY, KEGG, MetaCyc

References:

1.	Chu, A., Dinkova, A., Davin, L.B., Bedgar, D.L. and Lewis, N.G. Stereospecificity of (+)-pinoresinol and (+)-lariciresinol reductases from Forsythia intermedia. J. Biol. Chem. 268 (1993) 27026–27033. [PMID: 8262939]
2.	Dinkova-Kostova, A.T., Gang, D.R., Davin, L.B., Bedgar, D.L., Chu, A. and Lewis, N.G. (+)-Pinoresinol/(+)-lariciresinol reductase from Forsythia intermedia. Protein purification, cDNA cloning, heterologous expression and comparison to isoflavone reductase. J. Biol. Chem. 271 (1996) 29473–29482. [DOI] [PMID: 8910615]
3.	Fujita, M., Gang, D.R., Davin, L.B. and Lewis, N.G. Recombinant pinoresinol-lariciresinol reductases from western red cedar (Thuja plicata) catalyze opposite enantiospecific conversions. J. Biol. Chem. 274 (1999) 618–627. [DOI] [PMID: 9872995]
4.	Min, T., Kasahara, H., Bedgar, D.L., Youn, B., Lawrence, P.K., Gang, D.R., Halls, S.C., Park, H., Hilsenbeck, J.L., Davin, L.B., Lewis, N.G. and Kang, C. Crystal structures of pinoresinol-lariciresinol and phenylcoumaran benzylic ether reductases and their relationship to isoflavone reductases. J. Biol. Chem. 278 (2003) 50714–50723. [DOI] [PMID: 13129921]
5.	Hemmati, S., Schmidt, T.J. and Fuss, E. (+)-Pinoresinol/(-)-lariciresinol reductase from Linum perenne Himmelszelt involved in the biosynthesis of justicidin B. FEBS Lett. 581 (2007) 603–610. [DOI] [PMID: 17257599]
6.	Bayindir, Ü., Alfermann, A.W. and Fuss, E. Hinokinin biosynthesis in Linum corymbulosum Reichenb. Plant J. 55 (2008) 810–820. [DOI] [PMID: 18489708]

[EC 1.23.1.2 created 2013]