Literature DB >> 8831985

The substrate specificity of tocopherol cyclase.

A Stocker1, H Fretz, H Frick, A Rüttimann, W D Woggon.   

Abstract

The substrate specificity of the enzyme tocopherol cyclase from the blue-green algae Anabaena variabilis (Cyanobacteria) was investigated with 11 substrate analogues revealing the significance of three major recognition sites: (i) the OH group at C(1) of the hydroquinone, (ii) the (E) configuration of the double bond, and (iii) the length of the lipophilic side chain. Experiments with two affinity matrices suggest that substrates approach the enzyme's active site with the hydrophobic tail.

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Year:  1996        PMID: 8831985     DOI: 10.1016/0968-0896(96)00125-3

Source DB:  PubMed          Journal:  Bioorg Med Chem        ISSN: 0968-0896            Impact factor:   3.641


  11 in total

1.  Rapid enhancement of α-tocopherol content in Nicotiana benthamiana by transient expression of Arabidopsis thaliana Tocopherol cyclase and Homogentisate phytyl transferase genes.

Authors:  Sundararajan Sathish; Kuppuraj Sree Preethy; Rajendran Venkatesh; Ramalingam Sathishkumar
Journal:  3 Biotech       Date:  2018-11-15       Impact factor: 2.406

2.  Plastochromanol-8 and tocopherols are essential lipid-soluble antioxidants during seed desiccation and quiescence in Arabidopsis.

Authors:  Laurent Mène-Saffrané; A Daniel Jones; Dean DellaPenna
Journal:  Proc Natl Acad Sci U S A       Date:  2010-09-13       Impact factor: 11.205

3.  Homogentisate phytyltransferase activity is limiting for tocopherol biosynthesis in Arabidopsis.

Authors:  Eva Collakova; Dean DellaPenna
Journal:  Plant Physiol       Date:  2003-02       Impact factor: 8.340

4.  Isolation and functional analysis of homogentisate phytyltransferase from Synechocystis sp. PCC 6803 and Arabidopsis.

Authors:  E Collakova; D DellaPenna
Journal:  Plant Physiol       Date:  2001-11       Impact factor: 8.340

5.  The role of homogentisate phytyltransferase and other tocopherol pathway enzymes in the regulation of tocopherol synthesis during abiotic stress.

Authors:  Eva Collakova; Dean DellaPenna
Journal:  Plant Physiol       Date:  2003-09-25       Impact factor: 8.340

Review 6.  Progress of vitamin E metabolic engineering in plants.

Authors:  Shuangyan Chen; Hongjie Li; Gongshe Liu
Journal:  Transgenic Res       Date:  2006-10-27       Impact factor: 2.788

7.  Characterization of tocopherol cyclases from higher plants and cyanobacteria. Evolutionary implications for tocopherol synthesis and function.

Authors:  Scott E Sattler; Edgar B Cahoon; Sean J Coughlan; Dean DellaPenna
Journal:  Plant Physiol       Date:  2003-08       Impact factor: 8.340

Review 8.  Enhancing vitamin E in oilseeds: unraveling tocopherol and tocotrienol biosynthesis.

Authors:  Sarah C Hunter; Edgar B Cahoon
Journal:  Lipids       Date:  2007-02-13       Impact factor: 1.880

9.  Genome-wide association study and pathway-level analysis of tocochromanol levels in maize grain.

Authors:  Alexander E Lipka; Michael A Gore; Maria Magallanes-Lundback; Alex Mesberg; Haining Lin; Tyler Tiede; Charles Chen; C Robin Buell; Edward S Buckler; Torbert Rocheford; Dean DellaPenna
Journal:  G3 (Bethesda)       Date:  2013-08-07       Impact factor: 3.154

10.  Tocopherol Cyclases-Substrate Specificity and Phylogenetic Relations.

Authors:  Jolanta Dłużewska; Renata Szymańska; Michal Gabruk; Peter B Kós; Beatrycze Nowicka; Jerzy Kruk
Journal:  PLoS One       Date:  2016-07-27       Impact factor: 3.240

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