Recombinant Human Serotonin N-Acetyltransferase (AANAT) Protein (His-GST)

Name: Recombinant Human Serotonin N-Acetyltransferase (AANAT) Protein (His-GST)
Brand: Beta LifeScience
SKU: BLC-02544P
Availability: InStock

Greater than 85% as determined by SDS-PAGE.

Collections: High-quality recombinant proteins, Other recombinant proteins

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Product Overview

Description	Recombinant Human Serotonin N-Acetyltransferase (AANAT) Protein (His-GST) is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 85% as determined by SDS-PAGE.
Uniprotkb	Q16613
Target Symbol	AANAT
Synonyms	AA-NAT; Aanat; Aralkylamine N-acetyltransferase; Arylalkylamine N acetyltransferase; Serotonin acetylase; Serotonin N-acetyltransferase; SNAT; SNAT_HUMAN
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-10His-GST
Target Protein Sequence	MSTQSTHPLKPEAPRLPPGIPESPSCQRRHTLPASEFRCLTPEDAVSAFEIEREAFISVLGVCPLYLDEIRHFLTLCPELSLGWFEEGCLVAFIIGSLWDKERLMQESLTLHRSGGHIAHLHVLAVHRAFRQQGRGPILLWRYLHHLGSQPAVRRAALMCEDALVPFYERFSFHAVGPCAITVGSLTFMELHCSLRGHPFLRRNSGC
Expression Range	1-207aa
Protein Length	Full Length
Mol. Weight	51.8 kDa
Research Area	Neuroscience
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	Controls the night/day rhythm of melatonin production in the pineal gland. Catalyzes the N-acetylation of serotonin into N-acetylserotonin, the penultimate step in the synthesis of melatonin.
Subcellular Location	Cytoplasm.
Protein Families	Acetyltransferase family, AANAT subfamily
Database References	HGNC: 19 OMIM: 600950 KEGG: hsa:15 STRING: 9606.ENSP00000250615 UniGene: Hs.431417
Tissue Specificity	Highly expressed in pineal gland and at lower levels in the retina. Weak expression in several brain regions and in the pituitary gland.

Gene Functions References

Aggregate genetic variation in circadian rhythm and melatonin pathways were significantly associated with the risk of prostate cancer in data combining GAME-ON and PLCO, after Bonferroni correction (ppathway < 0.00625). The two most significant genes were NPAS2 (pgene = 0.0062) and AANAT (pgene = 0.00078); the latter being significant after Bonferroni correction. PMID: 28699174
Data show that arylalkymine N-acetyltransferase (AANAT) levels and melatonin synthesis change after transient receptor potential channel 4 (TRPV4 channel) stimulation in ciliary body epithelial cells. PMID: 28368307
these and related results indicate both a major involvement of the N-end rule pathway in the control of rodent AANATs and substantial differences in the regulation of rodent and human AANATs that stem from differences in their N-terminal sequences. PMID: 27339900
There is dysregulation of the AANAT/ASMT/melatonin --> melatonin receptor axis in cholangiocarcinoma, which inhibited melatonin secretion and subsequently enhanced CCA growth. PMID: 21778461
The expression of AANAT in epithelial cells of striated ducts in human submandibular glands. PMID: 21437622
The functional expression of human SNA protein was closely associated with the elevated synthesis of N-acetylserotonin and melatonin in transgenic rice plants. PMID: 20586889
Identified 17 sequence changes in AANAT gene of patients with major depression. Show evidence of the association of genetic variability in the AANAT gene with susceptibility to major depression. PMID: 20459461
There is a significant increase in AANAT allele positivity at the single nucleotide polymorphism (alanine 129--> threonine) at between patients with DSPS & controls. AA-NAT could be a susceptibility gene for DSPS. PMID: 12736803
Data suggest that the -263G/C single nucleotide polymorphism of arylalkylamine-N-acetyl-transferase (AA-NAT) may be an important determinant of the late/short sleep pattern. PMID: 15332344
Single nucleotide polymorphisms in the AANAT gene identified thus far cannot explain the observed interindividual differences for nocturnal melatonin profiles in the subjects investigated. PMID: 18569588
AANAT polymorphisms were not associated with adolescent idiopathic scoliosis. PMID: 18794762
Observational study of genotype prevalence and gene-disease association. (HuGE Navigator) PMID: 17503170

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.