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P3053

Sigma-Aldrich

Penitrem A

≥95% (HPLC and TLC)

Synonym(s):

Tremortin A

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About This Item

Empirical Formula (Hill Notation):
C37H44ClNO6
CAS Number:
12627-35-9
Molecular Weight:
634.20
MDL number:
MFCD00083465
UNSPSC Code:
12352200
PubChem Substance ID:
24898385
NACRES:
NA.77

Quality Level

200

Assay

≥95% (HPLC and TLC)

form

powder

storage temp.

2-8°C

SMILES string

[H][C@]12CC[C@@]3(C)[C@@](O)(CC[C@@]4([H])[C@]5([H])OC(C)(C)[C@@]6([H])C[C@]7([H])C(=C)Cc8c(Cl)cc9[nH]c(c5c9c8[C@]67O)[C@]34C)[C@]1%10O[C@]%10([H])[C@@H](O)[C@H](O2)C(C)=C

InChI

1S/C37H44ClNO6/c1-15(2)28-27(40)31-37(45-31)23(43-28)9-10-33(6)34(7)18(8-11-35(33,37)41)29-25-24-21(39-30(25)34)14-20(38)17-12-16(3)19-13-22(32(4,5)44-29)36(19,42)26(17)24/h14,18-19,22-23,27-29,31,39-42H,1,3,8-13H2,2,4-7H3/t18-,19+,22+,23-,27-,28+,29-,31+,33+,34+,35-,36+,37-/m0/s1

InChI key

JDUWHZOLEDOQSR-JKPSMKLGSA-N

Application

Penitrem A has been used as Ca2+-Activated K+ (BK) channel blocker to study its effect on BK current in bag cell neurons.

Biochem/physiol Actions

Penitrem A intoxication causes ataxia, polypnea, and sustained tremors and may lead to seizures and death. Penitrem A affects the central and peripheral nervous system. It impairs the GABAergic neurotransmission in the cerebellum.

Features and Benefits

This compound is featured on the Potassium Channels page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Other Notes

Originally isolated from Penicillium palitans

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H300

Precautionary Statements

P301 + P330 + P331 + P310

Hazard Classifications

Acute Tox. 2 Oral

Storage Class Code

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Roger D Kouyos et al.
PLoS pathogens, 7(4), e1001334-e1001334 (2011-05-03)
The evolution of drug resistant bacteria is a severe public health problem, both in hospitals and in the community. Currently, some countries aim at concentrating highly specialized services in large hospitals in order to improve patient outcomes. Emergent resistant strains
Penitrem A and analogues: Toxicokinetics, toxicodynamics including mechanism of action and clinical significance
Eriksen GS, et al.
World Mycotoxin Journal, 6(3), 263-272 (2013)
Karen D McCloskey
The Journal of urology, 173(1), 296-301 (2004-12-14)
Outward currents were characterized from cells resembling interstitial cells of Cajal (ICCs) isolated from the detrusor of the guinea pig bladder. ICC-like cells were studied using the whole cell patch clamp technique and K+ filled pipettes. Outward currents were evoked
H F Berntsen et al.
Neurotoxicology, 35, 129-136 (2013-01-15)
The fungal neurotoxin penitrem A has previously been found to cause neurological disorders in animals and humans after ingestion of contaminated food and/or feed. It penetrates the blood-brain-barrier and causes cerebellar pathology in rats, including mild effects on granule neurons.
Léna Borbouse et al.
American journal of physiology. Heart and circulatory physiology, 298(3), H966-H973 (2010-01-02)
This investigation was designed to examine the hypothesis that impaired function of coronary microvascular large-conductance Ca(2+)-activated K(+) (BK(Ca)) channels in metabolic syndrome (MetS) significantly attenuates the balance between myocardial oxygen delivery and metabolism at rest and during exercise-induced increases in
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