| Record Information |
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| Version | 2.0 |
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| Created at | 2021-01-06 08:03:56 UTC |
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| Updated at | 2025-04-15 20:00:15 UTC |
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| NP-MRD ID | NP0022910 |
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| Natural Product DOI | https://doi.org/10.57994/3948 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Scytonemin |
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| Provided By | NPAtlas |
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| Description | Scytonemin is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites. Scytonemin is found in Cyanobacterium. Scytonemin was first documented in 1993 (PMID: 8405307). Based on a literature review a small amount of articles have been published on scytonemin (PMID: 21501195) (PMID: 22688245) (PMID: 24111939) (PMID: 25056905). |
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| Structure | [H]OC1=C([H])C([H])=C(\C([H])=C2\C(=O)C(C3=C4C(=NC5=C([H])C([H])=C([H])C([H])=C45)\C(=C(\[H])C4=C([H])C([H])=C(O[H])C([H])=C4[H])C3=O)=C3C2=NC2=C([H])C([H])=C([H])C([H])=C32)C([H])=C1[H] InChI=1S/C36H20N2O4/c39-21-13-9-19(10-14-21)17-25-33-29(23-5-1-3-7-27(23)37-33)31(35(25)41)32-30-24-6-2-4-8-28(24)38-34(30)26(36(32)42)18-20-11-15-22(40)16-12-20/h1-18,39-40H/b25-17+,26-18+ |
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| Synonyms | Not Available |
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| Chemical Formula | C36H20N2O4 |
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| Average Mass | 544.5660 Da |
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| Monoisotopic Mass | 544.14231 Da |
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| IUPAC Name | (3E)-3-[(4-hydroxyphenyl)methylidene]-1-[(3E)-3-[(4-hydroxyphenyl)methylidene]-2-oxo-2H,3H-cyclopenta[b]indol-1-yl]-2H,3H-cyclopenta[b]indol-2-one |
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| Traditional Name | (3E)-3-[(4-hydroxyphenyl)methylidene]-1-[(3E)-3-[(4-hydroxyphenyl)methylidene]-2-oxocyclopenta[b]indol-1-yl]cyclopenta[b]indol-2-one |
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| CAS Registry Number | Not Available |
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| SMILES | OC1=CC=C(\C=C2\C(=O)C(C3=C4C5=CC=CC=C5N=C4\C(=C/C4=CC=C(O)C=C4)C3=O)=C3C4=CC=CC=C4N=C23)C=C1 |
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| InChI Identifier | InChI=1S/C36H20N2O4/c39-21-13-9-19(10-14-21)17-25-33-29(23-5-1-3-7-27(23)37-33)31(35(25)41)32-30-24-6-2-4-8-28(24)38-34(30)26(36(32)42)18-20-11-15-22(40)16-12-20/h1-18,39-40H/b25-17+,26-18+ |
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| InChI Key | CGZKSPLDUIRCIO-RPCRKUJJSA-N |
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| Experimental Spectra |
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| | Spectrum Type | Description | Depositor Email | Depositor Organization | Depositor | Deposition Date | View |
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| | 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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| Species Where Detected | |
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| Chemical Taxonomy |
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| Classification | Not classified |
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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 | - Proteau PJ, Gerwick WH, Garcia-Pichel F, Castenholz R: The structure of scytonemin, an ultraviolet sunscreen pigment from the sheaths of cyanobacteria. Experientia. 1993 Sep 15;49(9):825-9. doi: 10.1007/BF01923559. [PubMed:8405307 ]
- Balskus EP, Case RJ, Walsh CT: The biosynthesis of cyanobacterial sunscreen scytonemin in intertidal microbial mat communities. FEMS Microbiol Ecol. 2011 Aug;77(2):322-32. doi: 10.1111/j.1574-6941.2011.01113.x. Epub 2011 May 12. [PubMed:21501195 ]
- Matsui K, Nazifi E, Hirai Y, Wada N, Matsugo S, Sakamoto T: The cyanobacterial UV-absorbing pigment scytonemin displays radical-scavenging activity. J Gen Appl Microbiol. 2012;58(2):137-44. doi: 10.2323/jgam.58.137. [PubMed:22688245 ]
- Rastogi RP, Incharoensakdi A: Characterization of UV-screening compounds, mycosporine-like amino acids, and scytonemin in the cyanobacterium Lyngbya sp. CU2555. FEMS Microbiol Ecol. 2014 Jan;87(1):244-56. doi: 10.1111/1574-6941.12220. Epub 2013 Oct 15. [PubMed:24111939 ]
- Vitek P, Jehlicka J, Ascaso C, Masek V, Gomez-Silva B, Olivares H, Wierzchos J: Distribution of scytonemin in endolithic microbial communities from halite crusts in the hyperarid zone of the Atacama Desert, Chile. FEMS Microbiol Ecol. 2014 Nov;90(2):351-66. doi: 10.1111/1574-6941.12387. Epub 2014 Aug 26. [PubMed:25056905 ]
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