516481-M

Pepstatin A, Synthetic

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

• 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: 12352202
• NACRES: NA.77

Properties

• 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

Description

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

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable