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E0514

Sigma-Aldrich

E-64c

Calpain Inhibitor

Synonym(s):

(2S,3S)-trans-Epoxysuccinyl-L-leucylamido-3-methylbutane

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About This Item

Empirical Formula (Hill Notation):
C15H26N2O5
CAS Number:
76684-89-4
Molecular Weight:
314.38
MDL number:
MFCD00132882
UNSPSC Code:
12352202
PubChem Substance ID:
24894369

biological source

synthetic (organic)

Assay

≥98% (HPLC)

form

powder

solubility

ethanol: 20 mg/mL, clear, colorless

storage temp.

−20°C

SMILES string

CC(C)CCNC(=O)[C@H](CC(C)C)NC(=O)[C@H]1O[C@@H]1C(O)=O

InChI

1S/C15H26N2O5/c1-8(2)5-6-16-13(18)10(7-9(3)4)17-14(19)11-12(22-11)15(20)21/h8-12H,5-7H2,1-4H3,(H,16,18)(H,17,19)(H,20,21)/t10-,11-,12-/m0/s1

InChI key

SCMSYZJDIQPSDI-SRVKXCTJSA-N

Gene Information

human ... CAPN1(823)

Biochem/physiol Actions

Cysteine protease inhibitor; membrane-impermeable calpain inhibitor.
Cysteine protease inhibitor; membrane-impermeable calpain inhibitor. Significantly reduces calpain-mediated depletion of microtubule-associated protein (MAP2) in an animal model of an ischemic brain.[1]

Linkage

Synthetic analog of E-64

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCBS6258
BCBR7529V
BCBM0550V
BCBR7529
BCBM0550

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A J Barrett et al.
The Biochemical journal, 201(1), 189-198 (1982-01-01)
1. L-trans-Epoxysuccinyl-leucylamido(4-guanidino)butane (E-64) at a concentration of 0.5 mM had no effect on the serine proteinases plasma kallikrein and leucocyte elastase or the metalloproteinases thermolysin and clostridial collagenase. In contrast, 10 muM-E-64 rapidly inactivated the cysteine proteinases cathepsins B, H
B C Sondergaard et al.
Osteoarthritis and cartilage, 14(8), 738-748 (2006-03-28)
Both matrix metalloprotease (MMP) activity and cathepsin K (CK) activity have been implicated in cartilage turnover. We investigated the relative contribution of MMP activity and CK activity in cartilage degradation using ex vivo and in vivo models. Bovine articular cartilage
K Tsuchiya et al.
Experimental neurology, 155(2), 187-194 (1999-03-11)
This paper is to study the participation of cathepsin in ischemic neuronal death of the monkey hippocampal cornu ammonis (CA) 1 sector and also to clarify whether its selective inhibitor epoxysuccinyl peptides such as CA-074 and E-64c can inhibit the
L B Creemers et al.
Matrix biology : journal of the International Society for Matrix Biology, 16(9), 575-584 (1998-05-06)
The involvement of cysteine proteinases in the degradation of soft connective tissue collagen was studied in cultured periosteal explants. Using cysteine proteinase inhibitors that were active intracellularly or extracellularly (Ep453 and Ep475, respectively), it was shown that over-all collagen degradation
Milena Mladenovic et al.
The journal of physical chemistry. B, 113(15), 5072-5082 (2009-03-27)
In the present paper, we investigate whether crystal and enzyme environments influence the electron density (ED) of active compounds in a similar manner. This supposition is essential for high-resolution X-ray studies, which use the EDs obtained from crystals of the
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