SML0577
Cucurbitacin E
≥95% (HPLC)
Synonym(s):
α-Elaterin, α-Elaterine
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About This Item
Empirical Formula (Hill Notation):
C32H44O8
CAS Number:
Molecular Weight:
556.69
UNSPSC Code:
12352200
NACRES:
NA.77
Assay:
≥95% (HPLC)
Form:
powder
assay
≥95% (HPLC)
form
powder
optical activity
[α]/D -60 to -75°, c = 0.7 (CDCl3)
color
white to beige
solubility
DMSO: 15 mg/mL, clear
storage temp.
−20°C
InChI
1S/C32H44O8/c1-17(33)40-27(2,3)13-12-23(36)32(9,39)25-21(35)15-29(6)22-11-10-18-19(14-20(34)26(38)28(18,4)5)31(22,8)24(37)16-30(25,29)7/h10,12-14,19,21-22,25,34-35,39H,11,15-16H2,1-9H3/b13-12+/t19-,21-,22+,25+,29+,30-,31+,32+/m1/s1
InChI key
NDYMQXYDSVBNLL-MUYMLXPFSA-N
Application
Cucurbitacin E has been used as a cofilin inhibitor. It is also used as a F-actin stabilizer to prevent membrane-associated periodic skeleton (MPS) loss and protect from axonal fragmentation.
Biochem/physiol Actions
Cucurbitacin E is a potent inhibitor of actin depolymerization.
Cucurbitacin E is a potent inhibitor of actin depolymerization. Cucurbitacin E is more active than jasplakinolide, and has a different mechanism of action, binding to a different site. Cucurbitacin E binds specifically to filamentous actin (F-actin) forming a covalent bond at residue Cys257, but not to monomeric actin (G-actin), stabilizing F-actin, without affecting actin polymerization or nucleation.
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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