Pinnatoxin H

Pinnatoxin

Last updated at: Oct. 29, 2025

Recommended name
Pinnatoxin H
Synonyms
Pinnatoxin-H
Recommended acronym
PnTX-H
Abbreviation

Progenitors

Name
Vulcanodinium rugosum
Note
Selwood, A.I., Wilkins, A.L., Munday, R., Gu, H., Smith, K.F., Rhodes, L.L., Rise, F., 2014. Pinnatoxin H: a new pinnatoxin analogue from a South China Sea Vulcanodinium rugosum isolate. Tetrahedron Lett. 55(40), 5508-5510.

Vector Species

No vector species registered

References

Selwood et al., 2014
Selwood, A.I., Wilkins, A.L., Munday, R., Gu, H., Smith, K.F., Rhodes, L.L., Rise, F., 2014. Pinnatoxin H: a new pinnatoxin analogue from a South China Sea Vulcanodinium rugosum isolate. Tetrahedron Lett. 55(40), 5508-5510.
Nézan & Chomérat, 2011
Nézan, E., Chomérat, N., 2011. Vulcanodinium rugosum gen. et sp. nov. (Dinophyceae), un nouveau dinoflagellé marin de la côte méditerraneenne française. Cryptogamie, Algologie 32(1), 3-18.
Structure
Formula
C43H65NO7
Exact mono-isotopic mass
707.4761
Molfile
see chemfiles
Alternative molfiles
n/a
SMILES
C[C@@H](CN=C1CCCC(C[C@@H]2CC[C@](O)(C)[C@](O2)(O3)CC[C@@]3(O4)C[C@H](C)[C@H](O)[C@@H]4C5)=C)[C@@H](C)C[C@@]61[C@]([C@@H]7O[C@]85C[C@@H](C)C[C@H]7O8)([H])C=C(C=C)CC6
Alternative SMILES
n/a
InChi key
LDTRLBDECCUBLW-UEZLYXATSA-N
Alternative InChi keys
n/a
InChi
InChI=1S/C43H65NO7/c1-8-31-12-15-40-22-28(4)30(6)25-44-36(40)11-9-10-26(2)18-32-13-14-39(7,46)43(47-32)17-16-41(51-43)23-29(5)37(45)35(49-41)24-42-21-27(3)19-34(48-42)38(50-42)33(40)20-31/h8,20,27-30,32-35,37-38,45-46H,1-2,9-19,21-25H2,3-7H3/t27-,28-,29-,30-,32-,33+,34+,35-,37-,38-,39+,40+,41-,42-,43+/m0/s1
Alternative InChis
Spectra available
True
Chem files
chemfiles/PnTX-H.cdxml chemfiles/PnTX-H.mol
Certified
False
Certified links
    n/a
Non certified reference material
Unknown

Chemical analysis

Research
True
Standardized
Unknown
Validated
Unknown
Official
n/a

Structure recognition assays

Research
Unknown
Standardized
Unknown
Validated
Unknown
Official
n/a

Functional assays

Research
True
Standardized
Unknown
Validated
Unknown
Official
n/a

Animal assays

Research
True
Standardized
Unknown
Validated
Unknown
Official
n/a
Regulatory status
False
Human toxic syndrome(s)
n/a
Organ system toxicity
n/a
Risk assessment
Unknown
Molecular targets known
Unknown
Molecular targets
Nicotinic acetylcholine receptors
Toxic to aquatic animals
Unknown
TEF available
False
Notes
Pinnatoxin H was first described by Selwood et al., 2014, from an isolate of Vulcanodinium rugosum originating from the South China Sea (Haifeng Gu). It has not been much reported further in the literature until a recent report of Vulcanodinium rugosum affecting fishermen in Senegal, although the effects were shown to be related to portimine A, rather than pinnatoxin H (Gorse et al., 2025)

References

Selwood et al., 2014
Selwood, A.I., Wilkins, A.L., Munday, R., Gu, H., Smith, K.F., Rhodes, L.L., Rise, F., 2014. Pinnatoxin H: a new pinnatoxin analogue from a South China Sea Vulcanodinium rugosum isolate. Tetrahedron Lett. 55(40), 5508-5510.
Gorse et al., 2025
Gorse, L., Plessis, L., Wearne, S., Paradis, M., Pinilla, M., Chua, R., Lim, S.S., Pelluz, E., TOH, G.-A., Mazars, R., Bomfim, C., Hervé, F., Lhaute, K., Réveillon, D., Suire, B., Ravon-Katossky, L., Benoist, T., Fromont, L., Péricat, D., Neil Mertens, K., Derrien, A., Terre-Terrillon, A., Chomérat, N., Bilien, G., Séchet, V., Carpentier, L., Fall, M., Sonko, A., Hakim, H., Sadio, N., Bourdeaux, J., Cougoule, C., Henras, A.K., Perez-Oliva, A.B., Brehmer, P., Roca, F.J., Zhong, F.L., Common, J., Meunier, E., Hess, P., 2025. Portimine A toxin causes skin inflammation through ZAKα-dependent NLRP1 inflammasome activation. EMBO Molecular Medicine 17(3), 535-562.
Philipp Hess
Contact
Bernd Krock
Contact