Mediates the conversion of geranyl diphosphate into alpha-terpineol, a monoterpenol. Monoterpenols contribute to the final grape and wine aroma and flavor. Also forms some 1,8-cineole and traces of other monoterpenoids. Vitis vinifera (taxid: 29760) EC: 4EC: .EC: 2EC: .EC: 3EC: .EC: 1EC: 1EC: 1
>sp|Q8L5K4|GTPS_CITLI Gamma-terpinene synthase, chloroplastic OS=Citrus limon PE=1 SV=1
Monoterpene synthase which catalyzes the conversion of geranyl diphosphate to gamma-terpinene and the minor products limonene, alpha-pinene, beta-pinene, alpha-terpinolene, alpha-thujene, alpha-terpinene, myrcene and sabinene.
Score = 73.2 bits (178), Expect = 5e-13, Method: Compositional matrix adjust.
Identities = 48/107 (44%), Positives = 64/107 (59%), Gaps = 9/107 (8%)
Query: 2 ESCAQRIEKLKGEVRLMLDNYKEVDDYVDALHCLEIVDNLQRLGVSYHFEGEIKRFLNSI 61
E +R+ LK EV ML+ + + L LE++D LQRLGVSYHFE EIK+ L ++
Sbjct: 51 EDNVERVTLLKQEVSKMLNETEGL------LEQLELIDTLQRLGVSYHFEQEIKKTLTNV 104
Query: 62 YNKRNSRRSSTYHAKENQESLLYAASLEFRLLRQHGYDIHAHVVSDG 108
+ K + R+ N+ LYA +LEFRLLRQHG+ I A V DG
Sbjct: 105 HVK--NVRAHKNRIDRNRWGDLYATALEFRLLRQHGFSI-AQDVFDG 148
Predominantly involved in sesquiterpenes (C15) biosynthesis. Using FPP as substrate, the major product is (E,E)-alpha-farnesene with minor amounts of (Z,E)-alpha-farnesene and (E,E)-beta-farnesene. Using GPP as substrate, could also be able in vitro to synthesize monoterpene (C10) with (E)-beta-ocimene as the major product and with (Z)-beta-ocimene and myrcene as minor products.
Score = 72.4 bits (176), Expect = 8e-13, Method: Composition-based stats.
Identities = 45/121 (37%), Positives = 73/121 (60%), Gaps = 14/121 (11%)
Query: 1 GESCAQRIEKLKGEVR--LMLDNYKEVDDYVDALHCLEIVDNLQRLGVSYHFEGEIKRFL 58
GE +R +LK E++ LM+ ++E + L LE++DNLQRLGVSYHF+ EI + L
Sbjct: 81 GEKYMKRFNELKAEMKKHLMMMLHEESQE----LEKLELIDNLQRLGVSYHFKDEIIQIL 136
Query: 59 NSIYNKRNSRRSSTYHAKENQESLLYAASLEFRLLRQHGYDIHAHVVSDGAHLEQQYHES 118
SI+++ +S +S + LY +L+FR+LRQHG+ I +++D + + +S
Sbjct: 137 RSIHDQSSSEATSA--------NSLYYTALKFRILRQHGFYISQDILNDFKDEQGHFKQS 188
Query: 119 L 119
L
Sbjct: 189 L 189
Monoterpene synthase that catalyzes the formation of camphene and tricyclene from geranyl diphosphate. Produces also lower amounts of limonene and beta-myrcene, and traces of several other monoterpenoids.
Score = 72.0 bits (175), Expect = 9e-13, Method: Compositional matrix adjust.
Identities = 43/106 (40%), Positives = 63/106 (59%), Gaps = 16/106 (15%)
Query: 1 GESCAQRIEKLKGEVRLMLDNYKEVDDYVDALHCLEIVDNLQRLGVSYHFEGEIKRFLNS 60
G+ + EKLK EV++M+D + D L LE++++LQRLG+SYHF+ I + LN+
Sbjct: 28 GKMYVDKSEKLKIEVKMMMD------EATDELEQLELINDLQRLGISYHFKDGIAKMLNN 81
Query: 61 IYNKRNSRRSSTYHAKENQESLLYAASLEFRLLRQHGYDIHAHVVS 106
IY + S Y K+ L+ +L+FRLLRQHGY + V S
Sbjct: 82 IY-----KSDSKYMEKD-----LHLTALKFRLLRQHGYRVPQDVFS 117
Catalyzes a mixture of sesquiterpenoids from (2E,6E)-farnesyl diphosphate. Catalyzes the formation of exo-alpha-bergamotene, as well as (E)-nerolidol, (Z)-alpha-bisabolene, (E)-beta-farnesene and beta-sesquiphellandrene. Also has activity towards geranyl diphosphate, but to a much lesser extent.
Score = 71.2 bits (173), Expect = 2e-12, Method: Compositional matrix adjust.
Identities = 46/119 (38%), Positives = 64/119 (53%), Gaps = 11/119 (9%)
Query: 1 GESCAQRIEKLKGEVRLMLDNYKEVDDYVDALHCLEIVDNLQRLGVSYHFEGEIKRFLNS 60
GE A++ EKLK EV+ M+D + D L LE++DNLQRLG+ +HF+ K+ L
Sbjct: 28 GEKYAEKAEKLKTEVKTMIDQTR------DELKQLELIDNLQRLGICHHFQDLTKKILQK 81
Query: 61 IYNKRNSRRSSTYHAKENQESLLYAASLEFRLLRQHGYDIHAHVVSDGAHLEQQYHESL 119
IY + R H KE L+ +L FR+LRQ GY + V S + + ESL
Sbjct: 82 IYGEE--RNGDHQHYKEKG---LHFTALRFRILRQDGYHVPQDVFSSFMNKAGDFEESL 135
Sesquiterpene synthase that catalyzes the formation of alpha-zingiberene and other sesquiterpenes from trans,trans-farnesyl diphosphate (FPP). May have an additional monoterpene synthase activity.
Score = 68.9 bits (167), Expect = 8e-12, Method: Compositional matrix adjust.
Identities = 47/118 (39%), Positives = 63/118 (53%), Gaps = 7/118 (5%)
Query: 2 ESCAQRIEKLKGEVRLMLDNYKEVDDYVDALHCLEIVDNLQRLGVSYHFEGEIKRFLNSI 61
E +R EKLK E+R+M+ Y E + L L +VD++QRLGVSYHFE E+ FL I
Sbjct: 50 EGMKERTEKLKEEIRMMMIAYVE-----NQLIKLNLVDSIQRLGVSYHFEDEVDEFLEHI 104
Query: 62 YNKRNSRRSSTYHAKENQESLLYAASLEFRLLRQHGYDIHAHVVSDGAHLEQQYHESL 119
Y N+ S K + L+ +L FRLLRQ GY I + ++ ESL
Sbjct: 105 YVSYNN--SLLLSNKNSNGEDLHITALLFRLLRQQGYRISCDIFLKFMDDNGKFKESL 160
Sesquiterpene synthase producing mainly delta- and gamma-cadinene with traces of several other sesquiterpenoids, including alpha-copaene. Associated with the production of sesquiterpenes responsible for the aroma of the fruit.
Score = 68.9 bits (167), Expect = 8e-12, Method: Compositional matrix adjust.
Identities = 46/117 (39%), Positives = 62/117 (52%), Gaps = 21/117 (17%)
Query: 5 AQRIEKLKGEVRLML--DNYKEVDDYVDALHCLEIVDNLQRLGVSYHFEGEIKRFLNSIY 62
AQ IE LK + R ML K VD L ++D ++RLG+SYHFE EI L+ IY
Sbjct: 43 AQEIEPLKEQTRSMLVATGRKLVD-------TLNLIDTIERLGISYHFEKEIDEILDQIY 95
Query: 63 NKRNSRRSSTYHAKENQESLLYAASLEFRLLRQHGYDIHAHVVSDGAHLEQQYHESL 119
N+ NS S L+ ++L FRLLRQHG++I + S ++ ESL
Sbjct: 96 NQ-NSNSSD-----------LFTSALLFRLLRQHGFNISPEIFSKFQDENGKFKESL 140
Catalyzes the cyclization of trans,trans-farnesyl diphosphate (FPP) to the bicyclic intermediate 5-epi-aristolochene, initial step in the conversion of FPP to the sesquiterpenoid antifungal phytoalexin capsidiol. Produces germacrene A as an enzyme-bound intermediate that is not released by the enzyme, but is further cyclized to produce the bicyclic 5-epi-aristolochene.
Nicotiana attenuata (taxid: 49451)
EC: 4
EC: .
EC: 2
EC: .
EC: 3
EC: .
EC: 6
EC: 1
Close Homologs in the Non-Redundant Database Detected by BLAST
Score = 183 (69.5 bits), Expect = 2.8e-13, P = 2.8e-13
Identities = 49/107 (45%), Positives = 64/107 (59%)
Query: 2 ESCAQRIEKLKGEVRLMLDNYKEVDDYVDALHCLEIVDNLQRLGVSYHFEGEIKRFLNSI 61
E +R+ LK EV ML+ E + ++ L E++D LQRLGVSYHFE EIK+ L ++
Sbjct: 51 EDNVERVTLLKQEVSKMLN---ETEGLLEQL---ELIDTLQRLGVSYHFEQEIKKTLTNV 104
Query: 62 YNKRNSRRSSTYHAKENQESLLYAASLEFRLLRQHGYDIHAHVVSDG 108
+ K N R N+ LYA +LEFRLLRQHG+ I A V DG
Sbjct: 105 HVK-NVRAHKN-RIDRNRWGDLYATALEFRLLRQHGFSI-AQDVFDG 148
Score = 103 bits (260), Expect = 2e-29
Identities = 48/104 (46%), Positives = 61/104 (58%), Gaps = 13/104 (12%)
Query: 1 GESCAQRIEKLKGEVRLMLDNYKEVDDYVDALHCLEIVDNLQRLGVSYHFEGEIKRFLNS 60
E C +R+E LK EVR ML + Y D L LE++D LQRLG+SYHFE EIK L+
Sbjct: 16 DEKCLERLESLKEEVRKMLPSS-----YPDLLEQLELIDALQRLGISYHFEKEIKEILDQ 70
Query: 61 IYNKRNSRRSSTYHAKENQESLLYAASLEFRLLRQHGYDIHAHV 104
IY + + +E LY +L FRLLRQHGYD+ + V
Sbjct: 71 IYRN--------WDDNDEEEDDLYTTALAFRLLRQHGYDVSSDV 106
It has been suggested that this gene family be designated tps (for terpene synthase). It has been split into six subgroups on the basis of phylogeny, called tpsa-tpsf. tpsa includes vetispiridiene synthase, 5-epi- aristolochene synthase, and (+)-delta-cadinene synthase. tpsb includes (-)-limonene synthase. tpsc includes kaurene synthase A. tpsd includes taxadiene synthase, pinene synthase, and myrcene synthase. tpse includes kaurene synthase B. tpsf includes linalool synthase. Length = 177
>gnl|CDD|173832 cd00684, Terpene_cyclase_plant_C1, Plant Terpene Cyclases, Class 1
Score = 89.9 bits (224), Expect = 3e-22
Identities = 45/103 (43%), Positives = 60/103 (58%), Gaps = 10/103 (9%)
Query: 2 ESCAQRIEKLKGEVRLMLDNYKEVDDYVDALHCLEIVDNLQRLGVSYHFEGEIKRFLNSI 61
+ + IE+LK EVR ML ++ + VD L ++D LQRLG+SYHFE EIK L+ I
Sbjct: 27 DELEEEIEELKEEVRKML---EDSEYPVDLFERLWLIDRLQRLGISYHFEDEIKEILDYI 83
Query: 62 YNKRNSRRSSTYHAKENQESLLYAASLEFRLLRQHGYDIHAHV 104
Y R E+ E LY +L FRLLRQHGY++ + V
Sbjct: 84 YRYWTER-------GESNEDDLYTTALGFRLLRQHGYNVSSDV 119
This CD includes a diverse group of monomeric plant terpene cyclases (Tspa-Tspf) that convert the acyclic isoprenoid diphosphates, geranyl diphosphate (GPP), farnesyl diphosphate (FPP), or geranylgeranyl diphosphate (GGPP) into cyclic monoterpenes, diterpenes, or sesquiterpenes, respectively; a few form acyclic species. Terpnoid cyclases are soluble enzymes localized to the cytosol (sesquiterpene synthases) or plastids (mono- and diterpene synthases). All monoterpene and diterpene synthases have restrict substrate specificity, however, some sesquiterpene synthases can accept both FPP and GPP. The catalytic site consists of a large central cavity formed by mostly antiparallel alpha helices with two aspartate-rich regions located on opposite walls. These residues mediate binding of prenyl diphosphates, via bridging Mg2+ ions (K+ preferred by gymnosperm cyclases), inducing conformational changes such that an N-terminal region forms a cap over the catalytic core. Loss of diphosphate from the enzyme-bound substrate (GPP, FPP, or GGPP) results in an allylic carbocation that electrophilically attacks a double bond further down the terpene chain to effect the first ring closure. Unlike monoterpene, sesquiterene, and macrocyclic diterpenes synthases, which undergo substrate ionization by diphosphate ester scission, Tpsc-like diterpene synthases catalyze cyclization reactions by an initial protonation step producing a copalyl diphosphate intermediate. These enzymes lack the aspartate-rich sequences mentioned above. Most diterpene synthases have an N-terminal, internal element (approx 210 aa) whose function is unknown. Length = 542
>PF01397 Terpene_synth: Terpene synthase, N-terminal domain; InterPro: IPR001906 Sequences containing this domain belong to the terpene synthase family
It has been suggested that this gene family be designated tps (for terpene synthase). Sequence comparisons reveal similarities between the monoterpene (C10) synthases, sesquiterpene (C15) synthases and the diterpene (C20) synthases. It has been split into six subgroups on the basis of phylogeny, called Tpsa-Tpsf []. Tpsa includes vetispiridiene synthase Q39979 from SWISSPROT, 5-epi- aristolochene synthase, Q40577 from SWISSPROT and (+)-delta-cadinene synthase P93665 from SWISSPROT . Tpsb includes (-)-limonene synthase, Q40322 from SWISSPROT. Tpsc includes copalyl diphosphate synthase (kaurene synthase A), O04408 from SWISSPROT. Tpsd includes taxadiene synthase, Q41594 from SWISSPROT, pinene synthase, O24475 from SWISSPROT and myrcene synthase, O24474 from SWISSPROT. Tpse includes ent-kaurene synthase B Q39548 from SWISSPROT. Tpsf includes linalool synthase Q9ZPN5 from SWISSPROT. In the fungus Phaeosphaeria sp. (strain L487) the synthesis of ent-kaurene from geranylgeranyl dophosphate is promoted by a single bifunctional protein [].; GO: 0016829 lyase activity, 0008152 metabolic process; PDB: 2ONH_A 2ONG_B 3P5R_A 3P5P_A 3N0F_A 3N0G_B 3PYB_A 3PYA_A 3G4F_A 3G4D_B ....
>cd00684 Terpene_cyclase_plant_C1 Plant Terpene Cyclases, Class 1
This CD includes a diverse group of monomeric plant terpene cyclases (Tspa-Tspf) that convert the acyclic isoprenoid diphosphates, geranyl diphosphate (GPP), farnesyl diphosphate (FPP), or geranylgeranyl diphosphate (GGPP) into cyclic monoterpenes, diterpenes, or sesquiterpenes, respectively; a few form acyclic species. Terpnoid cyclases are soluble enzymes localized to the cytosol (sesquiterpene synthases) or plastids (mono- and diterpene synthases). All monoterpene and diterpene synthases have restrict substrate specificity, however, some sesquiterpene synthases can accept both FPP and GPP. The catalytic site consists of a large central cavity formed by mostly antiparallel alpha helices with two aspartate-rich regions located on opposite walls. These residues mediate binding of prenyl diphosphates, via bridging Mg2+ ions (K+ preferred by gymnosperm cyclases), inducing conformational changes such that an N-terminal regi
>pdb|3LZ9|A Chain A, The Crystal Structure Of 5-Epi-Aristolochene Synthase M4 Mut Complexed With (2-Trans,6-Trans)-2-Fluorofarnesyl Diphospha Length = 550
>pdb|3G4D|A Chain A, Crystal Structure Of (+)-Delta-Cadinene Synthase From Gossypium Arboreum And Evolutionary Divergence Of Metal Binding Motifs For Catalysis Length = 554
>pdb|2J5C|A Chain A, Rational Conversion Of Substrate And Product Specificity In A Monoterpene Synthase. Structural Insights Into The Molecular Basis Of Rapid Evolution. Length = 569
>pdb|3PYA|A Chain A, Crystal Structure Of Ent-Copalyl Diphosphate Synthase From Arabidopsis Thaliana In Complex With (S)-15-Aza-14,15-Dihydrogeranylgeranyl Thiolodiphosphate Length = 727
>pdb|3P5P|A Chain A, Crystal Structure Of Taxadiene Synthase From Pacific Yew (Taxus Brevifolia) In Complex With Mg2+ And 13-Aza-13,14-Dihydrocopalyl Diphosphate Length = 764
>3pya_A ENT-copalyl diphosphate synthase, chloroplastic; class I and II terpene cyclase fold, class II diterpene CYCL DXXDD motif; HET: AG8 1PE; 2.25A {Arabidopsis thaliana} PDB: 3pyb_A* Length = 727
>3pya_A ENT-copalyl diphosphate synthase, chloroplastic; class I and II terpene cyclase fold, class II diterpene CYCL DXXDD motif; HET: AG8 1PE; 2.25A {Arabidopsis thaliana} PDB: 3pyb_A*
