Technical Data
Antistasin-Related Peptide (D-Arg32) (Antistasin 32-38)
Molecular Biology Storage: -20CShipping: RT
Antistasin, isolated from the Mexican leech Hementeria officinalis, is a 119 amino acid protein which is a selective and potent inhibitor of coagulation factor Xa. (D-Arg32)-Antistasin (32-38) is the shortest peptide displaying anticoagulant activity in human plasma (1,2).

Sequence (linear): D-Arg-Cys-Arg-Val-His-Cys-Pro

Storage and Stability:
Lyophilized powder may be stored at 4C for short-term only. Stable for 12 months at -20C. Reconstitute (see reconstitution instructions for peptides) and store at -20C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer.

Molecular Formula:

Molecular Weight:
Source: Synthetic peptide
Purity: ~95%. Purified by HPLC.
Form: Supplied as a white to off-white powder

Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
1. Ohta, N. et al., (1994) Thromb Haemost. 72:825-830. 2. Dunwiddie, C. et al., .(1969) J. Biol. Chem. 264:16694-16699.

Intended for research use only. Not for use in human, therapeutic, or diagnostic applications.