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Secologanin synthase

YAMAMOTO, H., KATANO, N., OOI, A., INOUE, K., Secologanin synthase which catalyzes the oxidative cleavage of loganin into secologanin is a cytochrome P450. Phytochemistry, 2000,53, 7-12. [Pg.172]

IRMLER, S., SCHRODER, G., ST-PIERRE, B CROUCH, N.P., HOTZE, M., SCHMIDT, J., STRACK, D MATERN, U., SCHRODER, J Indole alkaloid biosynthesis in Catharanthus roseus new enzyme activities and identification of cytochrome P450 CYP72A1 as secologanin synthase. Plant J., 2000,24, 797-804. [Pg.172]

Fig. 8.1 Sequence of reactions and pathways involved in the biosynthesis of indole alkaloids in Catharanthus roseus. The dotted lines indicate multiple and/or uncharacterized enzyme steps. Tryptophan decarboxylase (TDC), Geraniol Hydroxylase (GH), Deoxyloganin synthase (DS), Secologanin Synthase (SLS) Strictosidine synthase (STR1), Strictosidine glucosidase (SG), Tabersonine-16-hydroxylase (T16H), Tabersonine 6,7-eposidase (T6,7E), Desacetoxyvindoline-4-hydroxylase (D4H), Deacetyl-vindoline-4-O-acetyltransferase (DAT) and Minovincinine-19-O-acetyltransferase (MAT) represent some of the enzyme steps that have been characterized. Fig. 8.1 Sequence of reactions and pathways involved in the biosynthesis of indole alkaloids in Catharanthus roseus. The dotted lines indicate multiple and/or uncharacterized enzyme steps. Tryptophan decarboxylase (TDC), Geraniol Hydroxylase (GH), Deoxyloganin synthase (DS), Secologanin Synthase (SLS) Strictosidine synthase (STR1), Strictosidine glucosidase (SG), Tabersonine-16-hydroxylase (T16H), Tabersonine 6,7-eposidase (T6,7E), Desacetoxyvindoline-4-hydroxylase (D4H), Deacetyl-vindoline-4-O-acetyltransferase (DAT) and Minovincinine-19-O-acetyltransferase (MAT) represent some of the enzyme steps that have been characterized.
Fig. 8.4 Chemical structures used for substrate specificity studies of secologanin synthase to show that only loganin acts as a substrate for this enzyme. Fig. 8.4 Chemical structures used for substrate specificity studies of secologanin synthase to show that only loganin acts as a substrate for this enzyme.
Fig. 8.5 Hypothetical model for the vacuole compartmentation of the reactions leading to secologanin (secologanin synthase,... Fig. 8.5 Hypothetical model for the vacuole compartmentation of the reactions leading to secologanin (secologanin synthase,...
Fig. (3). Compartmentalization of the biosynthetic pathway of terpenoid indole alkaloids in plant cells. G10H geraniol 16-hydroxylase SLS secologanin synthase TDC tryptophan decarboxylase STR strictosidine synthase SGD strictosidine P-D-glucosidade T16H tabersonine 16-hydroxylase OMT S-adenosyl - L-methionine 16-hydroxytabereonine - 16-O-methyltransferase NMT S-adenosyl - /.-methionine 16-methoxy - 2,3-dihydro-3-hydroxytabersonine - A -methyltransferase D4H desacetoxy vindoline 4-hydroxylase DAT acetylcoenzyme A 4-O-deacetylvindoline 4-O-aeetyltransferase PRX peroxidase. Fig. (3). Compartmentalization of the biosynthetic pathway of terpenoid indole alkaloids in plant cells. G10H geraniol 16-hydroxylase SLS secologanin synthase TDC tryptophan decarboxylase STR strictosidine synthase SGD strictosidine P-D-glucosidade T16H tabersonine 16-hydroxylase OMT S-adenosyl - L-methionine 16-hydroxytabereonine - 16-O-methyltransferase NMT S-adenosyl - /.-methionine 16-methoxy - 2,3-dihydro-3-hydroxytabersonine - A -methyltransferase D4H desacetoxy vindoline 4-hydroxylase DAT acetylcoenzyme A 4-O-deacetylvindoline 4-O-aeetyltransferase PRX peroxidase.
Secologanin synthase which catalyzes the oxidative cleavage of loganin into secologanin is a cytochrome P450. Phytochemistry 53, 7 12. [Pg.246]

Secologanin synthase Camptotheca acuminata Catharanthus roseus... [Pg.234]

A1 Secologanin synthase Terpene indole alkaloids [210]... [Pg.422]

See other pages where Secologanin synthase is mentioned: [Pg.176]    [Pg.177]    [Pg.181]    [Pg.184]    [Pg.185]    [Pg.185]    [Pg.186]    [Pg.823]    [Pg.846]    [Pg.224]    [Pg.312]    [Pg.236]    [Pg.7]    [Pg.89]    [Pg.92]    [Pg.586]    [Pg.3040]    [Pg.175]    [Pg.256]    [Pg.114]   
See also in sourсe #XX -- [ Pg.185 ]

See also in sourсe #XX -- [ Pg.114 ]



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Secologanine

Strictosidine synthase from secologanin

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