Cysteine protease able to degrade elastin, fibrogen, fibronectin and kininogen. Exhibits a strong preference for substrates where arginine is preceded by a hydrophobic amino acid. Promotes detachment of primary human keratinocytes. Along with other extracellular proteases is involved in colonization and infection of human tissues. Source: Recombinant protein corresponding to aa220-393 from staphylococcus aureus Staphopain B, fused to His-Tag at N-terminal, expressed in Yeast. Molecular Weight: ~21.9kD Amino Acid Sequence: DQVQYENTLKNFKIREQQFDNSWCAGFSMAALLNATKNTDTYNAHDIMRTLYPEVSEQDLPNCSTFPNQMIEYGKSQGRDIHYQEGVPSYEQVDQLTKDNVGIMILAQSVSQNPNDPHLGHALAVVGNAKINDQEKLIYWNPWDTELSIQDADSSLLHLSFNRDYNWYGSMIGY Storage and Stability: Lyophilized and reconstituted products are stable for 6 months after receipt at -20C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Supplied as a lyophilized powder from 20mM Tris-HCl, 0.5M sodium chloride, pH 8.0, 6% trehalose. Reconstitute with sterile ddH2O to a concentration of 0.1-1mg/ml.
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