P2928
蕈青霉素
≥98% (HPLC), Maxi-K potassium channel blocker, powder
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关于此项目
经验公式（希尔记法）:
C27H33NO4
化学文摘社编号:
分子量:
435.56
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.77
MDL number:
产品名称
蕈青霉素, powder, ≥98% (HPLC)
SMILES string
CC(C)(O)C1OC2CCC3(C)C(O)(CCC4Cc5c([nH]c6ccccc56)C34C)C2=CC1=O
InChI
1S/C27H33NO4/c1-24(2,30)23-20(29)14-18-21(32-23)10-11-25(3)26(4)15(9-12-27(18,25)31)13-17-16-7-5-6-8-19(16)28-22(17)26/h5-8,14-15,21,23,28,30-31H,9-13H2,1-4H3/t15-,21-,23-,25+,26+,27+/m0/s1
InChI key
ACNHBCIZLNNLRS-UBGQALKQSA-N
assay
≥98% (HPLC)
form
powder
color
faintly yellow
storage temp.
2-8°C
Quality Level
Application
Paxilline has been used to block large conductance calcium activated potassium channels (BKCa) in murine smooth muscle cells and in myometrial cells of uterine samples. Paxilline acts as an agonist and activates liver X receptor in atlantic salmon.
Biochem/physiol Actions
Paxilline is a selective blocker of high-conductance Ca2+-activated (Maxi-K) potassium channels. It also blocks big potassium (BK) channels.
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.
General description
Paxilline is an indole diterpene metabolite produced by fungi. It has a functionalized pentacyclic core and is a template for the synthesis of a wide variety of derivatives.
Other Notes
Major toxin in Penicillium paxilli
wgk
WGK 3
signalword
Danger
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
法规信息
涉药品监管产品
此项目有
Electrophysiological and functional effects of the KCNQ channel blocker XE991 on murine portal vein smooth muscle cells
Yeung SYM and Greenwood IA
British Journal of Pharmacology, 146(4), 585-595 (2005)
Membrane-delimited inhibition of maxi-K channel activity by the intermediate conductance Ca2+-activated K channel
Thompson J and Begenisich T
The Journal of General Physiology, 127(2), 159-169 (2006)
Sonal Shruti et al.
Neurobiology of disease, 30(3), 323-330 (2008-04-05)
A heritable gain-of-function in BK channel activity has been associated with spontaneous seizures in both rodents and humans. We find that chemoconvulsant-induced seizures induce a gain-of-function in BK channel current that is associated with abnormal, elevated network excitability. Action potential
A concise approach to paxilline indole diterpenes
George DT, et al.
Journal of the American Chemical Society, 137(49), 15410-15413 (2015)
Paxilline inhibits BK channels by an almost exclusively closed-channel block mechanism
Zhou Y and Lingle CJ
The Journal of General Physiology, 144(5), 415-440 (2014)
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