Recombinant Human HSP70 Protein (aa 2-641) [His] (HEK293) (VAng-Cr4014)

Recombinant Human HSP70 Protein (Ala2-Asp641) fused with a His tag at N-terminus was expressed in HEK293 Cells, with a molecular weight of 71.4 kDa. (Accession ID: NP_005336.3)

Datasheet

Specifications

Source

Human

Target

HSP70

Type

Tumor Antigens

Applications

ELISA.

Formulation

Lyophilized from sterile PBS, pH 7.4.

Purity

> 95% pure by SDS-PAGE.

Storage

Store at -20°C to -80°C.

Antigen Information

Introduction

HSP70 are a family of conserved ubiquitously expressed heat shock proteins. Proteins with similar structure exist in virtually all living organisms. The Hsp70s are an important part of the cell's machinery for protein folding, and help to protect cells from stress. Members of the Hsp70 family are very strongly upregulated by heat stress and toxic chemicals, particularly heavy metals such as arsenic, cadmium, copper, mercury. The Hsp70 system interacts with extended peptide segments of proteins as well as partially folded proteins to prevent aggregation, remodel folding pathways, and regulate activity. When not interacting with a substrate peptide, Hsp70 is usually in an ATP bound state. Hsp70 by itself is characterized by a very weak ATPase activity, such that spontaneous hydrolysis will not occur for many minutes. As newly synthesized proteins emerge from the ribosomes, the substrate binding domain of Hsp70 recognizes sequences of hydrophobic amino acid residues, and interacts with them. Hsp70 is overexpressed in malignant melanoma and underexpressed in renal cell cancer.

Alternative Names

heat shock protein 70