Granzyme A is a member of the granzyme family. Granzyme A is the most abundant serine protease in cytotoxic T lymphocytes (CTL) and natural killer (NK) cells. Granzyme A has a specific function in CTL and NK cells. It induces caspase-independent cell death when introduced into target cells by perforin. Human granzyme A is synthesized as a precursor (262 residues) with a signal peptide (residues 1-26), a propeptide (residues 27-28) and a mature chain (residues 29-262).
Physical form
Lyophilized from a 0.2 μm filtered solution of 20 mM MES and150 mM NaCl, pH 5.5.
Preparation Note
Centrifuge the vial prior to opening.
Reconstitution
Dissolve in 1x PBS (It is not recommended to reconstitute to a final concentration less than 100 μg/mL.). This can further be diluted to other aqueous buffers.
Other Notes
Recombinant Human Granzyme A is produced with mammalian cells expression system. Target protein is expressed with sequence (Glu27-Val262) of Human granzyme a (Uniprot #P12544) fused with a polyhistidine tag at the C-terminus.
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