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Conditions of optimal PSMB4 Protein performance should be determined experimentally by the investigator.
Price/availability/specifications subject to change without notice. Unless otherwise indicated, our catalog and customized products are for research use only and not intended for human or animal diagnostic or therapeutic use.
Phone: 1-617-401-8149
Fax: 1-617-606-5019
Email: message@sydlabs.com
Or leave a message with a formal purchase
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Introduction
PSMB4 is a member of the peptidase T1B family. The 20S Proteasome chamber holds structural alpha subunits and predominantly catalytic beta subunits. The two external rings in the proteasome contain seven alpha subunits each and the two internal rings contain of seven beta subunits each. PSMB4 is a beta subunit of the 20S Proteasome that is spread all over the eukaryotic cells in large quantities and cleaves peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway.
BP002735-ENZ-197: Recombinant Human Proteasome Subunit Beta Type 4 (PSMB4) Protein
Source: E. coli-derived.
A single, non-glycosylated polypeptide chain containing 240 amino acids (46-264 a.a.) and having a molecular mass of 26.6 kDa. PSMB4 is fused to a 21 amino acid His-tag at N-terminus.
Purity: > 90.0% as determined by SDS-PAGE.
Formulation: PSMB4 protein solution (0.5 mg/ml) containing 20 mM Tris-HCl buffer (pH8.0), 100 mM NaCl, 1 mM DTT and 30% glycerol.
Shipping: The product is shipped with ice pack. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70°C as supplied.
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