Merck
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E8640

Sigma-Aldrich

E-64d

protease inhibitor

Synonym(s):
EST, (2S,3S)-trans-Epoxysuccinyl-L-leucylamido-3-methylbutane ethyl ester
Empirical Formula (Hill Notation):
C17H30N2O5
CAS Number:
Molecular Weight:
342.43
MDL number:
PubChem Substance ID:
NACRES:
NA.77

Quality Level

biological source

synthetic (organic)

assay

≥98% (TLC)

form

powder

solubility

methanol: water (1:1): 5 mg/mL, clear, colorless

storage temp.

−20°C

SMILES string

CCOC(=O)[C@H]1O[C@@H]1C(=O)N[C@@H](CC(C)C)C(=O)NCCC(C)C

InChI

1S/C17H30N2O5/c1-6-23-17(22)14-13(24-14)16(21)19-12(9-11(4)5)15(20)18-8-7-10(2)3/h10-14H,6-9H2,1-5H3,(H,18,20)(H,19,21)/t12-,13-,14-/m0/s1

InChI key

SRVFFFJZQVENJC-IHRRRGAJSA-N

Gene Information

human ... CAPN1(823)

Application

E-64d has been used as a lysosomal inhibitor in human acute promyelocytic leukemia NB4 cells and Huh-7 cells. It has also been used as a protease inhibitor in free calcium physiological tyrode solution for perfusion into the isolated heart samples.

Biochem/physiol Actions

E-64d is an epoxysuccinyl peptide and an inhibitor of cysteine protease cathepsin B, calpains 1 and 2. E-64d by its cathepsin B protease inhibition functionality, may serve as a potential drug for treating traumatic brain injury (TBI) and Alzheimer′s disease (AD). It inhibits gametocyte surface antigen resulting in a decreased oocyst production in Plasmodium falciparum.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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