HARS, 1-509aa, Human

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01-1818
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Proteins, Recombinant
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Product Name HARS, 1-509aa, Human
Background HARS, also known as Histidyl-tRNA synthetase, function to catalyze the aminoacylation of tRNAs by their corresponding amino acids. HARS is from the class II family of aminoacyl-tRNA synthetases. It is responsible for the synthesis of histidyl-transfer RNA, which is essential for the incorporation of histidine into proteins. HARS is a frequent target of autoantibodies in the human autoimmune disease polymyositis/dermatomyositis. Recombinant human HARS protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques
Synonyms FLJ20491, HRS, HisRS, Histidine--tRNA ligase, Histidyl-tRNA synthetase, cytoplasmic
Species Human
Amino Acid Sequence MGSSHHHHHH SSGLVPRGSH MGSMAERAAL EELVKLQGER VRGLKQQKAS AELIEEEVAK LLKLKAQLGP DESKQKFVLK TPKGTRDYSP RQMAVREKVF DVIIRCFKRH GAEVIDTPVF ELKETLMGKY GEDSKLIYDL KDQGGELLSL RYDLTVPFAR YLAMNKLTNI KRYHIAKVYR RDNPAMTRGR YREFYQCDFD IAGNFDPMIP DAECLKIMCE ILSSLQIGDF LVKVNDRRIL DGMFAICGVS DSKFRTICSS VDKLDKVSWE EVKNEMVGEK GLAPEVADRI GDYVQQHGGV SLVEQLLQDP KLSQNKQALE GLGDLKLLFE YLTLFGIDDK ISFDLSLARG LDYYTGVIYE AVLLQTPAQA GEEPLGVGSV AAGGRYDGLV GMFDPKGRKV PCVGLSIGVE RIFSIVEQRL EALEEKIRTT ETQVLVASAQ KKLLEERLKL VSELWDAGIK AELLYKKNPK LLNQLQYCEE AGIPLVAIIG EQELKDGVIK LRSVTSREEV DVRREDLVEE IKRRTGQPLC IC
Molecular Weight 28.9 kDa (262aa), confirmed by MALDI-TOF
Concentration 0.5 mg/ml (determined by Bradford assay)
Form Liquid, in 20mM Tris-HCl buffer (pH 8.0) containing 20% glycerol, 1mM DTT, 0.2M NaCl, 1mM EDTA.
Purity > 95 % by SDS-PAGE
Applications SDS-PAGE
NCBI Accession # NP_002100
Host E.coli
Storage Can be stored at +4C short term (1-2 weeks). For long term storage, aliquot and store at -20C or -70C. Avoid repeated freezing and thawing cycles.
Intended Use For Research Use Only
References Raben N., et al. (1992) Nucleic Acids Res. 20(5):1075-81.
O'Hanlon TP., et al. (2002) Biochem Biophys Res Commun. 294(3):609-14.

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