Literature summary extracted from

Shi, Y.; Guo, J.; Zhang, W.; Jin, L.; Liu, P.; Chen, X.; Li, F.; Wei, P.; Li, Z.; Li, W.; Wei, C.; Zheng, Q.; Chen, Q.; Zhang, J.; Lin, F.; Qu, L.; Snyder, J.H.; Wang, R.
Cloning of the lycopene beta-cyclase gene in Nicotiana tabacum and its overexpression confers salt and drought tolerance (2015), Int. J. Mol. Sci., 16, 30438-30457 .

Natural Substrates/ Products (Substrates)

EC Number	Natural Substrates	Organism	Comment (Nat. Sub.)	Natural Products	Comment (Nat. Pro.)	Rev.	Reac.
5.5.1.19	delta-carotene	Nicotiana tabacum	-	alpha-carotene	-	?
5.5.1.19	lycopene	Nicotiana tabacum	-	gamma-carotene + beta-carotene	-	?

Organism

EC Number	Organism	UniProt	Comment	Textmining
5.5.1.19	Nicotiana tabacum	-	-	-

Source Tissue

EC Number	Source Tissue	Comment	Organism	Textmining
5.5.1.19	leaf	-	Nicotiana tabacum	-

Substrates and Products (Substrate)

EC Number	Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
5.5.1.19	delta-carotene	-	Nicotiana tabacum	alpha-carotene	-	?
5.5.1.19	lycopene	-	Nicotiana tabacum	gamma-carotene + beta-carotene	-	?

Synonyms

EC Number	Synonyms	Comment	Organism
5.5.1.19	beta-LCY1	-	Nicotiana tabacum

Expression

EC Number	Organism	Comment	Expression
5.5.1.19	Nicotiana tabacum	enzyme expression is induced by salt (300 mM NaCl), drought, and exogenous abscisic acid treatments	up

General Information

EC Number	General Information	Comment	Organism
5.5.1.19	malfunction	the suppression of enzyme expression leads to lower expression levels of genes in the carotenoid biosynthesis pathway and to reduced accumulation of carotenoids, chlorophyll, and abscisic acid	Nicotiana tabacum
5.5.1.19	metabolism	the cyclization enzyme is involved in carotenoid accumulation	Nicotiana tabacum
5.5.1.19	physiological function	the enzyme confers salt and drought stress tolerance in Nicotiana tabacum	Nicotiana tabacum

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Release 2023.1 (January 2023)