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Medchemexpress/Pepstatin(Synonyms: Pepstatin A; Isovaleryl-Val-Val-Sta-Ala-Sta-OH)/HY-P0018/10mM*1mL in DMSO

Pepstatin is a potent inhibitor of aspartyl proteases, and inhibits the aspartic proteases cathepsin D, pepsin, and renin.
Description

Pepstatin is a potent inhibitor of aspartyl proteases, and inhibits the aspartic proteases cathepsin D, pepsin, and renin.

In Vivo

A low dose of pepstatin shows an inhibition of edema formation, and intraperitoneal injection of 1.25 mg/kg of pepstatin causes a 30% inhibition with a a very low toxicity[1]. Pepstatin increases LC3-II levels, while it is reverted by 3-methyladenine (3-MA)[2].

References
  • [1]. Umezawa H, et al. Pepstatin, a new pepsin inhibitor produced by Actinomycetes. J Antibiot (Tokyo). 1970 May;23(5):259-62.

    [2]. Raquel T. Lima, et al. Modulation of Autophagy by a Thioxanthone Decreases the Viability of Melanoma Cells. Molecules 2016, 21(10), 1343

Preparing Stock Solutions
Concentration Volume Mass 1 mg 5 mg 10 mg
1 mM 1.4580 mL 7.2898 mL 14.5796 mL
5 mM 0.2916 mL 1.4580 mL 2.9159 mL
10 mM 0.1458 mL 0.7290 mL 1.4580 mL
Please refer to the solubility information to select the appropriate solvent.
References
  • [1]. Umezawa H, et al. Pepstatin, a new pepsin inhibitor produced by Actinomycetes. J Antibiot (Tokyo). 1970 May;23(5):259-62.

    [2]. Raquel T. Lima, et al. Modulation of Autophagy by a Thioxanthone Decreases the Viability of Melanoma Cells. Molecules 2016, 21(10), 1343

Molecular Weight

685.89

Formula

C₃₄H₆₃N₅O₉

CAS No.

26305-03-3

Storage
Powder -80°C 2 years
  -20°C 1 year
In solvent -80°C 6 months
  -20°C 1 month
Shipping

Room temperature in continental US; may vary elsewhere

Solvent & Solubility

DMSO: ≥ 25 mg/mL

* "<1 mg/ml"="" means="" slightly="" soluble="" or="" insoluble.="" "≥"="" means="" soluble,="" but="" saturation="">

Purity: 98.45%

Data Sheet (115 KB) SDS (389 KB)

COA (94 KB) LCMS (1269 KB)

Handling Instructions (1252 KB)
  • [1]. Umezawa H, et al. Pepstatin, a new pepsin inhibitor produced by Actinomycetes. J Antibiot (Tokyo). 1970 May;23(5):259-62.

    [2]. Raquel T. Lima, et al. Modulation of Autophagy by a Thioxanthone Decreases the Viability of Melanoma Cells. Molecules 2016, 21(10), 1343

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