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HARS/HisRS Cell Lysate | HARS cell lysate

Human HARS/HisRS Baculovirus-Insect Overexpression Lysate

Gene Names
HARS; HRS; USH3B
Applications
Western Blot
Synonyms
HARS/HisRS; Human HARS/HisRS Baculovirus-Insect Overexpression Lysate; Human HARS Insect Cell Lysate (WB positive control); histidyl-tRNA synthetase; Human HRS Overexpression Lysate; Human USH3B Overexpression Lysate; HARS cell lysate
Ordering
For Research Use Only!
Host
Baculovirus-Insect Cells
Form/Format
1x Sample Buffer (1x modified RIPA buffer+1x SDS loading buffer).
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
Sequence Positions
527aa
Sequence
Ala2-Cys509
Applicable Applications for HARS cell lysate
Western Blot (WB)
Application Notes
WB: Use at an assay dependent dilution.
Species
Human
Recommend Usage
1. Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube.2. Re-dissolve the pellet using 200uL pure water and boil for 2-5 min.
3. Store the lyophilized cell lysate at 4 degree C. After re-dissolution, recommend to aliquot it into smaller quantities and store at -80 degree C.
Sequence Construction
A DNA sequence encoding the human HARS (NP_002100.2) (Ala2-Cys509) was expressed with a polyhistidine tag at the N-terminus.
Preparation Method
Cell lysate was prepared by homogenization in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors. Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
Preparation and Storage
Store at 4 degree C for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80 degree C for up to twelve months. Avoid repeated freeze-thaw cycles.
Samples are stable for up to twelve months from date of receipt.
Related Product Information for HARS cell lysate
This Human HARS/HisRS overexpression lysate was created in Baculovirus-Insect Cells and intented for use as a Western blot (WB) positive control. Purification of HARS/HisRS protein from the overexpression lysate was verified.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
54,847 Da
NCBI Official Full Name
histidine--tRNA ligase, cytoplasmic isoform 1
NCBI Official Synonym Full Names
histidyl-tRNA synthetase
NCBI Official Symbol
HARS
NCBI Official Synonym Symbols
HRS; USH3B
NCBI Protein Information
histidine--tRNA ligase, cytoplasmic; HisRS; histidine translase
UniProt Protein Name
Histidine--tRNA ligase, cytoplasmic
Protein Family
UniProt Gene Name
HARS
UniProt Synonym Gene Names
HRS; HisRS
UniProt Entry Name
SYHC_HUMAN

NCBI Description

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. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Apr 2012]

Uniprot Description

HARS: Defects in HARS are a cause of Usher syndrome type 3B (USH3B). USH3B is a syndrome characterized by progressive vision and hearing loss during early childhood. Some patients have the so-called 'Charles Bonnet syndrome,' involving decreased visual acuity and vivid visual hallucinations. USH is a genetically heterogeneous condition characterized by the association of retinitis pigmentosa with sensorineural deafness. Age at onset and differences in auditory and vestibular function distinguish Usher syndrome type 1 (USH1), Usher syndrome type 2 (USH2) and Usher syndrome type 3 (USH3). USH3 is characterized by postlingual, progressive hearing loss, variable vestibular dysfunction, and onset of retinitis pigmentosa symptoms, including nyctalopia, constriction of the visual fields, and loss of central visual acuity, usually by the second decade of life. Belongs to the class-II aminoacyl-tRNA synthetase family.

Protein type: Translation; EC 6.1.1.21; Ligase

Chromosomal Location of Human Ortholog: 5q31.3

Cellular Component: cytoplasm; cytosol

Molecular Function: histidine-tRNA ligase activity; ATP binding

Biological Process: tRNA aminoacylation for protein translation; translation; gene expression; histidyl-tRNA aminoacylation

Disease: Usher Syndrome, Type Iiib

Research Articles on HARS

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Product Notes

The HARS hars (Catalog #AAA8113549) is a Cell Lysate produced from Baculovirus-Insect Cells and is intended for research purposes only. The product is available for immediate purchase. The immunogen sequence is 527aa. AAA Biotech's HARS/HisRS can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB). WB: Use at an assay dependent dilution. Researchers should empirically determine the suitability of the HARS hars for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. The amino acid sequence is listed below: Ala2-Cys50 9. It is sometimes possible for the material contained within the vial of "HARS/HisRS, Cell Lysate" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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