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Information on EC 4.2.3.83 - beta-santalene synthase
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EC Tree
4.2.3.83 beta-santalene synthaseIUBMB Comments
The enzyme synthesizes a mixture of sesquiterpenoids from (2E,6E)-farnesyl diphosphate. As well as (-)-beta-santalene (+)-alpha-santalene and (-)-exo-alpha-bergamotene are formed with traces of (+)-epi-beta-santalene. See EC 4.2.3.82 [(+)-alpha-santalene synthase], and EC 4.2.3.81 [(-)-exo-alpha-bergamotene synthase].
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The expected taxonomic range for this enzyme is: Santalum
Synonyms
SaSSy, SspiSy, SSy, SuSSy, 
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SYNONYM 
ORGANISM
UNIPROT
COMMENTARY 
LITERATURE
SSy
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REACTION
REACTION DIAGRAM
COMMENTARY
ORGANISM
UNIPROT
LITERATURE
(2E,6E)-farnesyl diphosphate = (-)-beta-santalene + diphosphate
-
-
-
-
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PATHWAY SOURCE
PATHWAYS
-
-
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SYSTEMATIC NAME
IUBMB Comments
(2E,6E)-farnesyl diphosphate lyase (cyclizing, (-)-beta-santalene-forming)
The enzyme synthesizes a mixture of sesquiterpenoids from (2E,6E)-farnesyl diphosphate. As well as (-)-beta-santalene (+)-alpha-santalene and (-)-exo-alpha-bergamotene are formed with traces of (+)-epi-beta-santalene. See EC 4.2.3.82 [(+)-alpha-santalene synthase], and EC 4.2.3.81 [(-)-exo-alpha-bergamotene synthase].
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SUBSTRATE
PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
(2E,6E)-farnesyl diphosphate
alpha-santalene + diphosphate
-
products are alpha-santalene, beta-, and epi-beta-santalene, exo-alpha-bergamotene, as well as traces of alpha- and beta-farnesene
-
?
(2Z,6Z)-farnesyl diphosphate
(-)-beta-santalene + diphosphate
when incubated in the presence of 10 mM Mg2+ the enzyme converts (2Z,6Z)-farnesyl diphosphate into alpha-endo-bergamotene, alpha-santalene, (Z)-beta-farnesene, epi-beta-santalene and beta-santalene
-
-
?
(2E,6E)-farnesyl diphosphate
(-)-beta-santalene + diphosphate
when incubated in the presence of 10 mM Mg2+ the enzyme converts (2E,6E)-farnesyl diphosphate into alpha-santalene, beta-santalene and epi-beta-santalene,alpha-exo-bergamotene, as well as traces of alpha-farnesene and beta-farnesene. Incubations with Mn2+ yields mainly alpha-exo-bergamotene
-
-
?
(2E,6E)-farnesyl diphosphate
(-)-beta-santalene + diphosphate
-
-
-
?
(2E,6E)-farnesyl diphosphate
(-)-beta-santalene + diphosphate
when incubated in the presence of 10 mM Mg2+ the enzyme converts (2E,6E)-farnesyl diphosphate into alpha-santalene, beta-santalene and epi-beta-santalene,alpha-exo-bergamotene, as well as traces of alpha-farnesene and beta-farnesene. Incubations with Mn2+ yields mainly alpha-exo-bergamotene
-
-
?
(2E,6E)-farnesyl diphosphate
(-)-beta-santalene + diphosphate
-
-
-
?
(2E,6E)-farnesyl diphosphate
(-)-beta-santalene + diphosphate
when incubated in the presence of 10 mM Mg2+ the enzyme converts (2E,6E)-farnesyl diphosphate into alpha-santalene, beta-santalene and epi-beta-santalene,alpha-exo-bergamotene, as well as traces of alpha-farnesene and beta-farnesene. Incubations with Mn2+ yields mainly alpha-exo-bergamotene
-
-
?
(2E,6E)-farnesyl diphosphate
beta-santalene + diphosphate
-
products are alpha-santalene, beta-, and epi-beta-santalene, exo-alpha-bergamotene, as well as traces of alpha- and beta-farnesene
-
?
(2E,6E)-farnesyl diphosphate
beta-santalene + diphosphate
-
products are alpha-santalene, beta-, and epi-beta-santalene, exo-alpha-bergamotene, as well as traces of alpha- and beta-farnesene
-
?
(2E,6E)-farnesyl diphosphate
beta-santalene + diphosphate
-
products are alpha-santalene, beta-, and epi-beta-santalene, exo-alpha-bergamotene, as well as traces of alpha- and beta-farnesene
-
?
additional information
?
-
Santalum album Ssy also accepts (2Z,6Z)-farnesyl diphosphate as substrate, producing a mixture of endo-alpha-bergamotene, alpha-santalene, (Z)-beta-farnesene, epi-beta-santalene, and beta-santalene. With substrate geranxyl diphosphate, products are linalool, geraniol, and terpineol along with traces of alpha-pinene and camphene. The product profile resulting from incubations of SaSSy with (E,E)-FPP resembles the authentic essential oil of Santalum album more closely than that of the (Z,Z)-FPP incubations
-
-
?
additional information
?
-
Santalum album Ssy also accepts (2Z,6Z)-farnesyl diphosphate as substrate, producing a mixture of endo-alpha-bergamotene, alpha-santalene, (Z)-beta-farnesene, epi-beta-santalene, and beta-santalene. With substrate geranxyl diphosphate, products are linalool, geraniol, and terpineol along with traces of alpha-pinene and camphene
-
-
?
additional information
?
-
Santalum austrocaledonicum Ssy also accepts (2Z,6Z)-farnesyl diphosphate as substrate, producing a mixture of endo-alpha-bergamotene, alpha-santalene, (Z)-beta-farnesene, epi-beta-santalene, and beta-santalene. With substrate geranyl diphosphate, products are linalool, geraniol, and terpineol along with traces of alpha-pinene and camphene
-
-
?
additional information
?
-
Santalum spicatum Ssy also accepts (2Z,6Z)-farnesyl diphosphate as substrate, producing a mixture of endo-alpha-bergamotene, alpha-santalene, (Z)-beta-farnesene, epi-beta-santalene, and beta-santalene. With substrate geranyl diphosphate, products are linalool, geraniol, and terpineol along with traces of alpha-pinene and camphene
-
-
?
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NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
(2E,6E)-farnesyl diphosphate
alpha-santalene + diphosphate
-
products are alpha-santalene, beta-, and epi-beta-santalene, exo-alpha-bergamotene, as well as traces of alpha- and beta-farnesene
-
?
(2E,6E)-farnesyl diphosphate
(-)-beta-santalene + diphosphate
-
-
-
?
(2E,6E)-farnesyl diphosphate
(-)-beta-santalene + diphosphate
-
-
-
?
(2E,6E)-farnesyl diphosphate
beta-santalene + diphosphate
-
products are alpha-santalene, beta-, and epi-beta-santalene, exo-alpha-bergamotene, as well as traces of alpha- and beta-farnesene
-
?
(2E,6E)-farnesyl diphosphate
beta-santalene + diphosphate
-
products are alpha-santalene, beta-, and epi-beta-santalene, exo-alpha-bergamotene, as well as traces of alpha- and beta-farnesene
-
?
additional information
?
-
Santalum album Ssy also accepts (2Z,6Z)-farnesyl diphosphate as substrate, producing a mixture of endo-alpha-bergamotene, alpha-santalene, (Z)-beta-farnesene, epi-beta-santalene, and beta-santalene. With substrate geranxyl diphosphate, products are linalool, geraniol, and terpineol along with traces of alpha-pinene and camphene. The product profile resulting from incubations of SaSSy with (E,E)-FPP resembles the authentic essential oil of Santalum album more closely than that of the (Z,Z)-FPP incubations
-
-
?
additional information
?
-
Santalum austrocaledonicum Ssy also accepts (2Z,6Z)-farnesyl diphosphate as substrate, producing a mixture of endo-alpha-bergamotene, alpha-santalene, (Z)-beta-farnesene, epi-beta-santalene, and beta-santalene. With substrate geranyl diphosphate, products are linalool, geraniol, and terpineol along with traces of alpha-pinene and camphene
-
-
?
additional information
?
-
Santalum spicatum Ssy also accepts (2Z,6Z)-farnesyl diphosphate as substrate, producing a mixture of endo-alpha-bergamotene, alpha-santalene, (Z)-beta-farnesene, epi-beta-santalene, and beta-santalene. With substrate geranyl diphosphate, products are linalool, geraniol, and terpineol along with traces of alpha-pinene and camphene
-
-
?
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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
Mg2+
Mn2+
Mg2+
when incubated in the presence of 10 mM Mg2+ the enzyme converts (E,E)-farnesyl diphosphate into alpha-santalene, beta-santalene and epi-beta-santalene,alpha-exo-bergamotene, as well as traces of alpha-farnesene and beta-farnesene. Incubations with Mn2+ yields mainly alpha-exo-bergamotene
Mg2+
when incubated in the presence of 10 mM Mg2+ the enzyme converts (E,E)-farnesyl diphosphate into alpha-santalene, beta-santalene and epi-beta-santalene,alpha-exo-bergamotene, as well as traces of alpha-farnesene and beta-farnesene. Incubations with Mn2+ yields mainly alpha-exo-bergamotene
Mg2+
when incubated in the presence of 10 mM Mg2+ the enzyme converts (E,E)-farnesyl diphosphate into alpha-santalene, beta-santalene and epi-beta-santalene,alpha-exo-bergamotene, as well as traces of alpha-farnesene and beta-farnesene. Incubations with Mn2+ yields mainly alpha-exo-bergamotene
Mn2+
when incubated in the presence of 10 mM Mg2+ the enzyme converts (E,E)-farnesyl diphosphate into alpha-santalene, beta-santalene and epi-beta-santalene,alpha-exo-bergamotene, as well as traces of alpha-farnesene and beta-farnesene. Incubations with Mn2+ yields mainly alpha-exo-bergamotene
Mn2+
incubation in presence of Mn2+ yields mainly alpha-exo-bergamotene
Mn2+
when incubated in the presence of 10 mM Mg2+ the enzyme converts (E,E)-farnesyl diphosphate into alpha-santalene, beta-santalene and epi-beta-santalene,alpha-exo-bergamotene, as well as traces of alpha-farnesene and beta-farnesene. Incubations with Mn2+ yields mainly alpha-exo-bergamotene
Mn2+
incubation in presence of Mn2+ yields mainly alpha-exo-bergamotene
Mn2+
when incubated in the presence of 10 mM Mg2+ the enzyme converts (E,E)-farnesyl diphosphate into alpha-santalene, beta-santalene and epi-beta-santalene,alpha-exo-bergamotene, as well as traces of alpha-farnesene and beta-farnesene. Incubations with Mn2+ yields mainly alpha-exo-bergamotene
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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
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TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
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kcat/KM VALUE [1/mMs-1]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
IMAGE
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pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
7.4
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TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
25
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ORGANISM
COMMENTARY
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
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SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
SOURCE
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UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION
The reliability class of the localization prediction ranges from 1 (very reliable) to 5 (not reliable).
The reliability class of the localization prediction ranges from 1 (very reliable) to 5 (not reliable). SPISY_SANSP
569
0
65407
Swiss-Prot
other Location (Reliability: 2)
SASY_SANAL
569
0
65163
Swiss-Prot
other Location (Reliability: 2)
SAUSY_SANAS
569
0
65268
Swiss-Prot
other Location (Reliability: 2)
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PDB
SCOP
CATH
UNIPROT
ORGANISM
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MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
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SUBUNIT
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
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CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
expression in Escherichia coli
heterologous expression of a His6-tagged protein in Escherichia coli
heterologous expression of a His6-tagged protein in Escherichia coli
heterologous expression of a His6-tagged protein in Escherichia coli
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REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Jones, C.G.; Moniodis, J.; Zulak, K.G.; Scaffidi, A.; Plummer, J.A.; Ghisalberti, E.L.; Barbour, E.L.; Bohlmann, J.
Sandalwood fragrance biosynthesis involves sesquiterpene synthases of both the terpene synthase (TPS)-a and TPS-b subfamilies, including santalene synthases
J. Biol. Chem.
286
17445-17454
2011
Santalum album (E3W202), Santalum austrocaledonicum (E3W203), Santalum spicatum (E3W204)
brenda
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Release 2023.1 (January 2023)
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