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Information on EC 4.2.3.83 - beta-santalene synthase and Organism(s) Santalum austrocaledonicum and UniProt Accession E3W203

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EC Tree
     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.3 Acting on phosphates
                4.2.3.83 beta-santalene synthase
IUBMB 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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Santalum austrocaledonicum
UNIPROT: E3W203
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The taxonomic range for the selected organisms is: Santalum austrocaledonicum
The expected taxonomic range for this enzyme is: Santalum
Synonyms
SaSSy, SspiSy, SSy, SuSSy, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
PATHWAY SOURCE
PATHWAYS
-
-
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].
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
(2E,6E)-farnesyl diphosphate
(-)-beta-santalene + diphosphate
show the reaction diagram
(2E,6E)-farnesyl diphosphate
alpha-santalene + diphosphate
show the reaction diagram
-
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
show the reaction diagram
-
products are alpha-santalene, beta-, and epi-beta-santalene, exo-alpha-bergamotene, as well as traces of alpha- and beta-farnesene
-
?
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
-
-
?
NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
(2E,6E)-farnesyl diphosphate
(-)-beta-santalene + diphosphate
show the reaction diagram
-
-
-
?
(2E,6E)-farnesyl diphosphate
alpha-santalene + diphosphate
show the reaction diagram
-
products are alpha-santalene, beta-, and epi-beta-santalene, exo-alpha-bergamotene, as well as traces of alpha- and beta-farnesene
-
?
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
-
-
?
METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.0014
(2E,6E)-farnesyl diphosphate
TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.91
(2E,6E)-farnesyl diphosphate
kcat/KM VALUE [1/mMs-1]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
650
(2E,6E)-farnesyl diphosphate
pH 7.4, 25°C
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SOURCE
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
SAUSY_SANAS
569
0
65268
Swiss-Prot
other Location (Reliability: 2)
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
65268
x * 65268, calculated from sequence
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
?
x * 65268, calculated from sequence
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
expression in Escherichia coli
heterologous expression of a His6-tagged protein in Escherichia coli
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)
Manually annotated by BRENDA team