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Chemical Structure| 88321-09-9 Chemical Structure| 88321-09-9

Structure of E-64d
CAS No.: 88321-09-9

Chemical Structure| 88321-09-9

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Aloxistatin (E64d) is a cell-permeable, irreversible, broad-spectrum cysteine protease inhibitor that exhibits an entry-blocking effect for MERS-CoV.

Synonyms: E64c ethyl ester; Aloxistatin; ethyl ester Loxistatin

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Product Details of E-64d

CAS No. :88321-09-9
Formula : C17H30N2O5
M.W : 342.43
SMILES Code : O=C([C@H]1O[C@@H]1C(N[C@@H](CC(C)C)C(NCCC(C)C)=O)=O)OCC
Synonyms :
E64c ethyl ester; Aloxistatin; ethyl ester Loxistatin
MDL No. :MFCD00132883
InChI Key :SRVFFFJZQVENJC-IHRRRGAJSA-N
Pubchem ID :65663

Safety of E-64d

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Related Pathways of E-64d

pyroptosis

Isoform Comparison

Biological Activity

Target
  • Cysteine Protease

In Vitro:

Cell Line
Concentration Treated Time Description References
WT or patient fibroblast cells 10 μM 30 min To evaluate the effect of E-64d on lysosomal function in fibroblasts. Results showed that pretreatment with E-64d significantly reduced the activity of lysosomes labeled with BMV109. PMC9310527
293T cells 10 μM 2 h In CD9KO cells, E-64d significantly reduced MERS pseudovirus entry, indicating the necessity of CD9 in TTSP-mediated early virus entry. PMC5552337
Huh-7 cells 6 mM 6 h Used to measure autophagic degradation capability, results showed that lysosomal proteolytic activity was markedly reduced in the absence of VTRNA1-1. PMC8865259
Hepa1-6 cells 10 µM 15 min To determine the proportion of intracellular sporozoites that had productively invaded the cells, rather than those in the process of migrating. PMC3039851
SH-SY5Y cells 10 µM 2 weeks To study the inhibitory effect of E-64d on autophagy PMC3366080
Huh7 cells 0.14, 0.42, 1.23, 3.7, 11.1, and 33.3 μM 24 h E-64d significantly inhibited SARS-CoV-2 pseudovirus infection with low cytotoxicity. PMC7997800
Arabidopsis protoplasts 20 µM 12 h E-64d inhibited the degradation of FBA8, indicating its role in autophagy-associated vacuolar degradation PMC9516138

In Vivo:

Species
Animal Model
Administration Dosage Frequency Description References
Humanized mice Humanized ACE2 mice Intraperitoneal injection 12.5 mg/kg Once daily for 2 days E-64d significantly prevented SARS-CoV-2 pseudovirus infection. PMC7997800

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

2.92mL

0.58mL

0.29mL

14.60mL

2.92mL

1.46mL

29.20mL

5.84mL

2.92mL

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