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Home Recombinant Human Proteins QARS Heavy-labeled protein

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QARS Mass Spec Standard

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Cat. No. Ref. ID Description Price Availability
PH301784 NM_005051 QARS MS Standard C13 and N15-labeled recombinant protein (NP_005042), 10 ug $1500 3 weeks
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OriGene Data
Expression Host:Human HEK293 cells Predicted MW:87.6 kDa
Expression TrueORF clone:RC201784 Protein Sequence: Sequence Link
Tag:C-terminal MYC/DDK * Anti-Myc/DDK antibody Protein family:
Purity:> 80% as determined by SDS-PAGE and Coomassie blue staining
Concentration:> 50 ug/ml as determined by BCA
Labeling Method:Labeled with [U- 13C6, 15N4]-L-Arginine and [U- 13C6, 15N2]-L-Lysine
Buffer and Storage:100 mM glycine, 25 mM Tris-HCl, pH 7.3. Store at -80C. Avoid repeated freeze-thaw cycles. Stable for 3 months from receipt of products under proper storage and handling conditions.
Protein Image
*: DDK-tag is the same as FLAG tag. Flag® is a registered trademark of Sigma-Aldrich

Reference Data
RefSeq: NP_005042 RefSeq Size: 2437 RefSeq ORF: 2328
Synonyms : GLNRS; MSCCA; PRO2195
LocusID: 5859 Cytogenetic: 3p21.31  
Summary: Aminoacyl-tRNA synthetases catalyze the aminoacylation of tRNA by their cognate amino acid. Because of their central role in linking amino acids with nucleotide triplets contained in tRNAs, aminoacyl-tRNA synthetases are thought to be among the first proteins that appeared in evolution. In metazoans, 9 aminoacyl-tRNA synthetases specific for glutamine (gln), glutamic acid (glu), and 7 other amino acids are associated within a multienzyme complex. Although present in eukaryotes, glutaminyl-tRNA synthetase (QARS) is absent from many prokaryotes, mitochondria, and chloroplasts, in which Gln-tRNA(Gln) is formed by transamidation of the misacylated Glu-tRNA(Gln). Glutaminyl-tRNA synthetase belongs to the class-I aminoacyl-tRNA synthetase family. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2013].

 

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