The Enzyme Database

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Accepted name: secoisolariciresinol dehydrogenase
Reaction: (–)-secoisolariciresinol + 2 NAD+ = (–)-matairesinol + 2 NADH + 2 H+
For diagram of matairesinol biosynthesis, click here
Systematic name: (–)-secoisolariciresinol:NAD+ oxidoreductase
Comments: Isolated from the plants Forsythia intermedia [1] and Podophyllum peltatum [1-3]. An intermediate lactol is detected in vitro.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Xia, Z.Q., Costa, M.A., Pelissier, H.C., Davin, L.B. and Lewis, N.G. Secoisolariciresinol dehydrogenase purification, cloning, and functional expression. Implications for human health protection. J. Biol. Chem. 276 (2001) 12614–12623. [PMID: 11278426]
2.  Youn, B., Moinuddin, S.G., Davin, L.B., Lewis, N.G. and Kang, C. Crystal structures of apo-form and binary/ternary complexes of Podophyllum secoisolariciresinol dehydrogenase, an enzyme involved in formation of health-protecting and plant defense lignans. J. Biol. Chem. 280 (2005) 12917–12926. [PMID: 15653677]
3.  Moinuddin, S.G., Youn, B., Bedgar, D.L., Costa, M.A., Helms, G.L., Kang, C., Davin, L.B. and Lewis, N.G. Secoisolariciresinol dehydrogenase: mode of catalysis and stereospecificity of hydride transfer in Podophyllum peltatum. Org. Biomol. Chem. 4 (2006) 808–816. [PMID: 16493463]
[EC created 2012]

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