| Record Information |
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| Version | 2.0 |
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| Created at | 2022-04-29 04:57:22 UTC |
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| Updated at | 2022-04-29 04:57:22 UTC |
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| NP-MRD ID | NP0084127 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Isokaurene |
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| Description | Ent-isokaurene, also known as kaur-15-ene or kryptomeren, belongs to the class of organic compounds known as kaurane diterpenoids. These are diterpene alkaloids with a structure that is based on the kaurane skeleton. Kaurane is a tetracyclic compound that arises by cyclisation of a pimarane precursor followed by rearrangement. It possesses a [3,2,1]-bicyclic ring system with C15-C16 bridge connected to C13, forming the five-membered ring D. Isokaurene is found in Halocarpus bidwillii, Halocarpus biformis and Xylopia sericea . Isokaurene was first documented in 2015 (PMID: 25758958). Based on a literature review a small amount of articles have been published on ent-isokaurene (PMID: 31527844) (PMID: 29241565) (PMID: 28170228) (PMID: 27771250). |
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| Structure | [H][C@@]12CC[C@@H]3C[C@@]1(CC[C@]1([H])C(C)(C)CCC[C@@]21C)C=C3C InChI=1S/C20H32/c1-14-12-20-11-8-16-18(2,3)9-5-10-19(16,4)17(20)7-6-15(14)13-20/h12,15-17H,5-11,13H2,1-4H3/t15-,16-,17+,19-,20-/m1/s1 |
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| Synonyms | | Value | Source |
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| (5beta,8alpha,9beta,10alpha,13alpha)-Kaur-15-ene | ChEBI | | Kaur-15-ene | Kegg | | Kryptomeren | Kegg | | (5b,8a,9b,10a,13a)-Kaur-15-ene | Generator | | (5Β,8α,9β,10α,13α)-kaur-15-ene | Generator |
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| Chemical Formula | C20H32 |
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| Average Mass | 272.4760 Da |
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| Monoisotopic Mass | 272.25040 Da |
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| IUPAC Name | (1S,4R,9R,10S,13R)-5,5,9,14-tetramethyltetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadec-14-ene |
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| Traditional Name | (1S,4R,9R,10S,13R)-5,5,9,14-tetramethyltetracyclo[11.2.1.0^{1,10}.0^{4,9}]hexadec-14-ene |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@]12CC[C@@H]3C[C@@]1(CC[C@]1([H])C(C)(C)CCC[C@@]21C)C=C3C |
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| InChI Identifier | InChI=1S/C20H32/c1-14-12-20-11-8-16-18(2,3)9-5-10-19(16,4)17(20)7-6-15(14)13-20/h12,15-17H,5-11,13H2,1-4H3/t15-,16-,17+,19-,20-/m1/s1 |
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| InChI Key | DQUHDYWUEKWRLN-HPUSYDDDSA-N |
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| Experimental Spectra |
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| Not Available | | Predicted Spectra |
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| | Spectrum Type | Description | Depositor ID | Depositor Organization | Depositor | Deposition Date | View |
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| 1D NMR | 13C NMR Spectrum (1D, 25 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 252 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 50 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 75 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 101 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 126 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 151 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 176 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 226 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| | Chemical Shift Submissions |
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| Not Available | | Species |
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| Species of Origin | |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as kaurane diterpenoids. These are diterpene alkaloids with a structure that is based on the kaurane skeleton. Kaurane is a tetracyclic compound that arises by cyclisation of a pimarane precursor followed by rearrangement. It possesses a [3,2,1]-bicyclic ring system with C15-C16 bridge connected to C13, forming the five-membered ring D. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Prenol lipids |
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| Sub Class | Diterpenoids |
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| Direct Parent | Kaurane diterpenoids |
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| Alternative Parents | |
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| Substituents | - Kaurane diterpenoid
- Branched unsaturated hydrocarbon
- Polycyclic hydrocarbon
- Cyclic olefin
- Unsaturated aliphatic hydrocarbon
- Unsaturated hydrocarbon
- Olefin
- Hydrocarbon
- Aliphatic homopolycyclic compound
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| Molecular Framework | Aliphatic homopolycyclic compounds |
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| External Descriptors | |
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| Physical Properties |
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| State | Not Available |
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| Experimental Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Predicted Properties | |
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| General References | - Ding Y, Murphy KM, Poretsky E, Mafu S, Yang B, Char SN, Christensen SA, Saldivar E, Wu M, Wang Q, Ji L, Schmitz RJ, Kremling KA, Buckler ES, Shen Z, Briggs SP, Bohlmann J, Sher A, Castro-Falcon G, Hughes CC, Huffaker A, Zerbe P, Schmelz EA: Multiple genes recruited from hormone pathways partition maize diterpenoid defences. Nat Plants. 2019 Oct;5(10):1043-1056. doi: 10.1038/s41477-019-0509-6. Epub 2019 Sep 16. [PubMed:31527844 ]
- Li X, He Y, Yang J, Jia YH, Zeng HL: Gene mapping and transcriptome profiling of a practical photo-thermo-sensitive rice male sterile line with seedling-specific green-revertible albino leaf. Plant Sci. 2018 Jan;266:37-45. doi: 10.1016/j.plantsci.2017.10.010. Epub 2017 Oct 31. [PubMed:29241565 ]
- Jia M, Zhou K, Tufts S, Schulte S, Peters RJ: A Pair of Residues That Interactively Affect Diterpene Synthase Product Outcome. ACS Chem Biol. 2017 Mar 17;12(3):862-867. doi: 10.1021/acschembio.6b01075. Epub 2017 Feb 14. [PubMed:28170228 ]
- Toyomasu T, Miyamoto K, Shenton MR, Sakai A, Sugawara C, Horie K, Kawaide H, Hasegawa M, Chuba M, Mitsuhashi W, Yamane H, Kurata N, Okada K: Characterization and evolutionary analysis of ent-kaurene synthase like genes from the wild rice species Oryza rufipogon. Biochem Biophys Res Commun. 2016 Nov 18;480(3):402-408. doi: 10.1016/j.bbrc.2016.10.062. Epub 2016 Oct 19. [PubMed:27771250 ]
- Kitaoka N, Wu Y, Xu M, Peters RJ: Optimization of recombinant expression enables discovery of novel cytochrome P450 activity in rice diterpenoid biosynthesis. Appl Microbiol Biotechnol. 2015 Sep;99(18):7549-58. doi: 10.1007/s00253-015-6496-2. Epub 2015 Mar 12. [PubMed:25758958 ]
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