Pepsinogen A4/PGA4 Protein, Human (HEK293, His)

Pepsinogen A4/PGA4 protein, known for broad substrate specificity, prefers cleaving phenylalanine and leucine bonds but also shows the ability to cleave various other bonds to varying extents. Pepsinogen A4/PGA4 Protein, Human (HEK293, His) is the recombinant human-derived Pepsinogen A4/PGA4 protein, expressed by HEK293 , with C-His labeled tag.

Pepsinogen A4/PGA4 protein exhibits a notably broad substrate specificity, with a preference for cleaving bonds involving phenylalanine and leucine. Despite this preference, it demonstrates the ability to cleave many other types of bonds to varying extents.

Measured by its ability to cleave the fluorogenic peptide substrate, Mca-RPKPVE-Nval-WRK(Dnp)-NH2. The specific activity is 69099.036 pmol/min/μg that incubate at room temperature for 15 minutes.

Human

HEK293

C-6*His

P0DJD7 (I16-A388)

643847  [NCBI]

IMYKVPLIRKKSLRRTLSERGLLKDFLKKHNLNPARKYFPQWEAPTLVDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSMTGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQSGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASENSDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQVGLAPVA

Approximately 45 kDa

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  Greater than 95% as determined by reducing SDS-PAGE.

Lyophilized powder

Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.

<1 EU/μg, determined by LAL method.

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH₂O.

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Room temperature in continental US; may vary elsewhere.