GingisREX^®

GingisREX (Rgp) is an arginine-specific protease that digests proteins C-terminally of arginine residues. 

The GingisREX enzyme is supplied as a lyophilized powder with no preservatives added. It is available in vials of 5 μg enzyme.

Detailed Information

GingisREX is a cysteine protease that specifically digests peptide bonds C-terminally to arginine residues, including arginine linked to proline. Cysteine is required for enzymatic activity.

The enzyme is purified from Porphyromonas gingivalis.

Stability and Storage

The enzyme is provided as a lyophilized powder. After reconstitution by addition of water, GingisREX is stable for at least 1 month at 4-8°C. The product is shipped cold and should be stored at -20°C upon arrival.

Buffers and Reducing Agent

To maintain the enzymatically active cysteine in a reduced form, TCEP is added to preserve the reducing environment (for details please consult the user instructions). GingisREX is active in a broad pH range, 5.0-9.0, with optimal activity between pH 6.5-8.0. Digestion can be performed in the presence of chaotropic agents or detergents such as urea, SDS, tween and SDC. Buffers tested and compatible with GingisREX activity are Tris, Bis-Tris and ammonium bicarbonate.

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