HSP70/HSPA1A Protein, Human, Recombinant (His) is expressed in HEK293 Cells. The accession number is P0DMV8-1.

Human

HEK293 Cells

HSX70,HSPA1,HSP72,HSP70I,HSP70-2,HSP70-1A,HSP70-1,HSP70.2,HSP70.1,HSP70,HEL-S-103

A DNA sequence encoding the human HSPA1A (NP_005336.3) (Ala2-Asp641) was expressed with a polyhistidine tag at the N-terminus.

≥ 95% as determined by SDS-PAGE. ≥ 85% as determined by SEC-HPLC.

Please refer to the lot-specific COA.

It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.

HSPA1A is a member of the Hsp70 protein family. The 70 kilodalton heat shock proteins (Hsp70s) are a family of ubiquitously expressed heat shock proteins. HSP are abundant and conserved proteins present in all cells. Upon temperature shock or other stress stimuli, HSP is synthesized intracellularly, which may protect cells from protein denaturation or death. Extracellularly, HSP can serve a cytokine function to initiate both innate and adaptive immunity through activation of APC. HSP serves also a chaperone function and facilitates the presentation of antigen peptide to T cells. Molecular chaperones of the Hsp70 family have diverse functions in cells. They assist the folding of newly synthesized and stress-denatured proteins, as well as the import of proteins into organelles, and the dissociation of aggregated proteins. The well-conserved Hsp70 chaperones are ATP dependent: binding and hydrolysis of ATP regulate their interactions with unfolded polypeptide substrates, and ATPase cycling is necessary for their function. All cellular functions of Hsp70 chaperones use the same mechanism of ATP-driven polypeptide binding and release.