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516481-M

Sigma-Aldrich

Pepstatin A, Synthetic

Pepstatin A, Synthetic, CAS 26305-03-3, is a reversible inhibitor of aspartic proteases. Inhibits cathepsin D, pepsin, and renin.

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Synonym(s):
Pepstatin A, Synthetic, Iva-Val-Val-Sta-Ala-Sta, Isovaleryl-Val-Val-4-amino-3-hydroxy-6-methylheptanoyl-Ala-4-amino-3-hydroxy-6-methylheptanoic Acid
Empirical Formula (Hill Notation):
C34H63N5O9
CAS Number:
26305-03-3
Molecular Weight:
685.89
MDL number:
MFCD00060740
UNSPSC Code:
12352200
NACRES:
NA.77

Quality Level

100

Assay

≥98% (HPLC)

form

solid

optical activity

[α]20.0/D -90.0±5.0, c = 0.5 in methanol

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

white

solubility

DMSO: 1 mg/mL
methanol: 1 mg/mL

storage temp.

2-8°C

InChI

1S/C34H63N5O9/c1-17(2)12-23(37-33(47)31(21(9)10)39-34(48)30(20(7)8)38-27(42)14-19(5)6)25(40)15-28(43)35-22(11)32(46)36-24(13-18(3)4)26(41)16-29(44)45/h17-26,30-31,40-41H,12-16H2,1-11H3,(H,35,43)(H,36,46)(H,37,47)(H,38,42)(H,39,48)(H,44,45)/t22-,23?,24?,25?,26?,30-,31-/m0/s1

InChI key

FAXGPCHRFPCXOO-JHTFMCFMSA-N

General description

A reversible inhibitor of aspartic proteases. Inhibits cathepsin D, pepsin, and renin. Reported to block apoptosis induced by CA-074 (Cat. No. 205530) in PC12 cell lines. Also available as a 25 mM solution in DMSO (Cat. No. 508437).
A reversible inhibitor of aspartic proteases. Inhibits cathepsin D, pepsin, and renin. Reported to block apoptosis induced by CA-074 (Cat. No. 205530) in PC12 cells. Effective concentration: 1 µM.
Effective concentration: 1.0 µM.

Biochem/physiol Actions

EC50 = 1.0 µM in blocking apoptosis induced by CA-074 in PC12 cell lines
Primary Target
cathepsin D

Warning

Toxicity: Standard Handling (A)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 4 months at -20°C.

Other Notes

Isahara, K., et al. 1999. Neuroscience91, 233.
Kanamori, S., et al. 1998. Biochem. Biophys. Res. Commun.251, 204.
Szewczuk, Z., et al. 1992. Int. J. Pept. Prot. Res.40, 233.
Carraway, R.E., et al. 1991. Peptides12, 107.
Eid, M., et al. 1981. Biochem. J.197, 465.
Umezawa, H., et al. 1970. J. Antibiot.23, 259.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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