Recombinant Human Kynurenine/Alpha-Aminoadipate Aminotransferase, Mitochondrial (AADAT) Protein (His-SUMO)

Name: Recombinant Human Kynurenine/Alpha-Aminoadipate Aminotransferase, Mitochondrial (AADAT) Protein (His-SUMO)
Brand: Beta LifeScience
SKU: BLC-03733P
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

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Product Overview

Description	Recombinant Human Kynurenine/Alpha-Aminoadipate Aminotransferase, Mitochondrial (AADAT) Protein (His-SUMO) is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	Q8N5Z0
Target Symbol	AADAT
Synonyms	2 aminoadipate aminotransferase; 2 aminoadipate transaminase; 2-aminoadipate aminotransferase; 2-aminoadipate transaminase; Aadat; AADAT_HUMAN; Aadt; AI875679; Alpha aminoadipate aminotransferase; Alpha-aminoadipate aminotransferase; Aminoadipate aminotransferase; EC 2.6.1.39; EC 2.6.1.7; KAT/AadAT; KAT2; KATII ; Kynurenine oxoglutarate transaminase 2; Kynurenine aminotransferase II; Kynurenine oxoglutarate aminotransferase II; Kynurenine oxoglutarate transaminase II; Kynurenine--oxoglutarate aminotransferase II; Kynurenine--oxoglutarate transaminase II; Kynurenine/alpha-aminoadipate aminotransferase mitochondrial [Precursor]; Kynurenine/alpha-aminoadipate aminotransferase; mitochondrial; L kynurenine/alpha aminoadipate aminotransferase
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-6His-SUMO
Target Protein Sequence	PKSMISLAGGLPNPNMFPFKTAVITVENGKTIQFGEEMMKRALQYSPSAGIPELLSWLKQLQIKLHNPPTIHYPPSQGQMDLCVTSGSQQGLCKVFEMIINPGDNVLLDEPAYSGTLQSLHPLGCNIINVASDESGIVPDSLRDILSRWKPEDAKNPQKNTPKFLYTVPNGNNPTGNSLTSERKKEIYELARKYDFLIIEDDPYYFLQFNKFRVPTFLSMDVDGRVIRADSFSKIISSGLRIGFLTGPKPLIERVILHIQVSTLHPSTFNQLMISQLLHEWGEEGFMAHVDRVIDFYSNQKDAILAAADKWLTGLAEWHVPAAGMFLWIKVKGINDVKELIEEKAVKMGVLMLPGNAFYVDSSAPSPYLRASFSSASPEQMDVAFQVLAQLIKESL
Expression Range	30-425aa
Protein Length	Full Length of Mature Protein
Mol. Weight	60.2kDa
Research Area	Signal Transduction
Form	Liquid or Lyophilized powder
Buffer	Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution	Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage	1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes	Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function	Transaminase with broad substrate specificity. Has transaminase activity towards aminoadipate, kynurenine, methionine and glutamate. Shows activity also towards tryptophan, aspartate and hydroxykynurenine. Accepts a variety of oxo-acids as amino-group acceptors, with a preference for 2-oxoglutarate, 2-oxocaproic acid, phenylpyruvate and alpha-oxo-gamma-methiol butyric acid. Can also use glyoxylate as amino-group acceptor (in vitro).
Subcellular Location	Mitochondrion.
Protein Families	Class-I pyridoxal-phosphate-dependent aminotransferase family
Database References	HGNC: 17929 OMIM: 611754 KEGG: hsa:51166 STRING: 9606.ENSP00000226840 UniGene: Hs.529735
Tissue Specificity	Higher expression in the liver. Also found in heart, brain, kidney, pancreas, prostate, testis and ovary.

Gene Functions References

Immunohistochemical analysis revealed the presence of KAT I, II, and III in all examined corneal sections. PMID: 28706436
he optimised method of protein production provides a fast and reliable technique to generate large quantities of active human KAT2 suitable for future small-molecule lead compound screening and structural design work. PMID: 26773745
Participants with major depression had lower levels of kynurenine compared to controls, with intermediate concentrations in somatoform patients. PMID: 24140252
Somatization is characterized by disorders in kynurenine aminotransferase activity and an increased neurotoxic potential PMID: 21712776
association of SNP AADAT+401C/T with the host immune response to bacterial meningitis, suggesting that this SNP may affect the host ability in recruitment of leukocytes to the infection site PMID: 21473761
analysis of the crystal structure of kynurenine aminotransferase II PMID: 18056995
analysis of the crystal structure of human kynurenine aminotransferase II PMID: 18056996
A human cDNA encodes a 425-residue protein with a mitochondrial cleavage signal and a pyridoxal-phosphate binding site, ~70% identical to the mouse and rat AADAT orthologs. Bacterial expression studies confirm that the gene encodes AADAT activity. PMID: 12126930

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.