Apo-SAA1, Recombinant, Human

Catalog No : USB-143283
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Product name Apo-SAA1, Recombinant, Human
Catalog No USB-143283
Supplier’s Catalog No 143283
Supplier US Biologicals
Source antigen Recombinant, E. coli
Reactivity
Cross reactivity
Applications
Molecular weight
Storage -20°C
Other names
Grade Highly Purified
Purity ≥98% by SDS-PAGE gel and HPLC analyses.
Form Supplied as a lyophilized powder.
Reactivity life 12 months
Note For reserch purpose only
Purity ≥98% by SDS-PAGE gel and HPLC analyses.
Description Serum amyloid A proteins (SAA) represents a family of apolipoproteins that circulates in association with high-density lipoproteins (HDL).The level of apo-SAA, normally 1-5 mug/ml in plasma, increases 500-1000 fold within 24 hours of an inflammatory stimulus and, under these conditions, is the most abundant HDL apo-lipoprotein.The human SAA gene codes for a 122 amino acid nonglycosylated polypeptide, which contains an 18 amino acid N-terminal sequence.Recombinant human apo-SAA1 is an 11.7kD protein containing 105 amino acid residues. Biological Activity: Determined by its ability to chemoattract human monocytes using a concentration range of 10-100ng/ml. AA Sequence: MRSFFSFLGEAFDGARDMWRAYSDMREANYIGSDKYFHARGNYDAAKRGPGGVWAAEAISDARENIQRFFGHGAEDSLADQAANEWGRSGKDPNHFRPAGLPEKY Quality Control: Verified by N-terminal and Mass Spectrometry analyses (when applicable). Endotoxin: <0.1ng/ug of protein (<1EU/ug). Protein Content: Verified by UV Spectroscopy and/or SDS-PAGE gel. Storage and Stability: Store lyophilized products at -20°C. For reconstituted solutions of most products, we recommend short-term storage at 4°C. For longer term storage the protein solution should be stored with a carrier protein (eg. 0.1% BSA) in working aliquots and stored frozen at -20°C. Additional freeze/thaw cycles may cause some denaturation of the protein.