Aminoacyl-tRNA synthetases are a class of enzymes that charge tRNAs with their cognate amino acids. The protein encoded by this gene is a cytoplasmic enzyme which belongs to the class II family of aminoacyl-tRNA synthetases. The enzyme is responsible for the synthesis of histidyl-transfer RNA, which is essential for the incorporation of histidine into proteins. The gene is located in a head-to-head orientation with HARSL on chromosome five, where the homologous genes share a bidirectional promoter. The gene product is a frequent target of autoantibodies in the human autoimmune disease polymyositis/dermatomyositis.||Source:|Recombinant protein corresponding to human Histidyl-tRNA Synthetase, a single, non- glycosylated, polypeptide chain, expressed in E. coli.||Molecular Weight: |~55kD||Protein Content: |Protein quantitation was carried out by using 0.25-2.0mg/ml Bradford assay vs. BSA.||Applications: |Suitable for use in Western Blot. Other applications not tested.||Recommended Dilution:|Western Blot: strongly reactive with human anti Histidyl-tRNA Synthetase antisera|Optimal dilutions to be determined by the researcher.||Storage and Stability:|May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

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