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Home / ELISA Kit

Human Glutaminyl-tRNA synthetase (QARS) ELISA Kit

SKU : BHE13703224

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.

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Mfr.No.	KTE61008
Reactivity	Human
Assay Duration	Multiple steps standard sandwich ELISA assay with a working time of 3-5 hours. It depends on the experience of the operation person.
Assay Type	Sandwich (quantitative)
Description	This Human Glutaminyl-tRNA synthetase (QARS) ELISA Kit employs a two-site sandwich ELISA to quantitate QARS.
Alternative Names	QARS; GLNRS; PRO2195; glutamine tRNA ligase; glutamine-tRNA synthetase
Detection Method	Colorimetric
Kit Components	Human Glutaminyl-tRNA synthetase microplate Human Glutaminyl-tRNA synthetase standard Human Glutaminyl-tRNA synthetase detect antibody Streptavidin-HRP Standard diluent Assay buffer HRP substrate Stop solution Wash buffer Plate covers
Features	Human Glutaminyl-tRNA synthetase (QARS) ELISA Kit has high sensitivity and excellent specificity for detection of Human QARS. No significant cross-reactivity or interference between Human QARS and analogues was observed.
Calibration Range	Please inquire
Limit Of Detection	Please inquire
Precautions	The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.
Background	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.
Notes	This Human Glutaminyl-tRNA synthetase (QARS) ELISA Kit employs a two-site sandwich ELISA to quantitate QARS in samples. An antibody specific for QARS has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyQARS present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for QARS is added to the wells. After washing, Streptavidin conjugated Horseradish Peroxidase (HRP) is added to the wells. Following a wash to remove any unbound avidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of QARS bound in the initial step. The color development is stopped and the intensity of the color is measured.
Usage Notes	Do not mix components from different kit lots or use reagents beyond the kit expiration date. Allow all reagents to warm to room temperature for at least 30 minutes before opening. Pre-rinse the pipet tip with reagent, use fresh pipet tips for each sample, standard and reagent to avoid contamination. Unused wells must be kept desiccated at 4 °C in the sealed bag provided. Mix Thoroughly is very important for the result. It is recommended using low frequency oscillator or slight hand shaking every 10 minutes. It is recommended that all samples and standards be assayed in duplicate or triplicate.

Gene ID	5859

Applications	ELISA
Applications Notes	This Human Glutaminyl-tRNA synthetase (QARS) ELISA Kit employs a two-site sandwich ELISA to quantitate QARS in samples. An antibody specific for QARS has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyQARS present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for QARS is added to the wells. After washing, Streptavidin conjugated Horseradish Peroxidase (HRP) is added to the wells. Following a wash to remove any unbound avidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of QARS bound in the initial step. The color development is stopped and the intensity of the color is measured.

Storage Instructions	The unopened kit should be stored at 2 - 8°C. After opening, please store refer to protocols.
Shipping	Gel pack with blue ice.

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SKU	Supplier No.	Size	Your price	Quantity
BHE13703224	KTE61008	48 T	$339		Add to Cart
BHE13703224	KTE61008	96 T	$589		Add to Cart
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BHE13703224	KTE61008	96 Tx50	$24569		Add to Cart

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