Recombinant Human Arginase-1 (ARG1) Protein (GST)

Name: Recombinant Human Arginase-1 (ARG1) Protein (GST)
Brand: Beta LifeScience
SKU: BLC-03951P
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

Collections: All products, High-quality recombinant proteins, Other recombinant proteins

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Product Overview

Description	Recombinant Human Arginase-1 (ARG1) Protein (GST) is produced by our E.coli expression system. This is a full length protein.
Purity	Greater than 90% as determined by SDS-PAGE.
Uniprotkb	P05089
Target Symbol	ARG1
Synonyms	A I; Al; ARG 1; arg1; ARGI1_HUMAN; Arginase 1; Arginase liver; Arginase type I; Arginase; liver; Arginase-1; Arginase1; Liver type arginase; Liver-type arginase; Type I arginase
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-GST
Target Protein Sequence	MSAKSRTIGIIGAPFSKGQPRGGVEEGPTVLRKAGLLEKLKEQECDVKDYGDLPFADIPNDSPFQIVKNPRSVGKASEQLAGKVAEVKKNGRISLVLGGDHSLAIGSISGHARVHPDLGVIWVDAHTDINTPLTTTSGNLHGQPVSFLLKELKGKIPDVPGFSWVTPCISAKDIVYIGLRDVDPGEHYILKTLGIKYFSMTEVDRLGIGKVMEETLSYLLGRKKRPIHLSFDVDGLDPSFTPATGTPVVGGLTYREGLYITEEIYKTGLLSGLDIMEVNPSLGKTPEEVTRTVNTAVAITLACFGLAREGNHKPIDYLNPPK
Expression Range	1-322aa
Protein Length	Full Length
Mol. Weight	61.7kDa
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	Key element of the urea cycle converting L-arginine to urea and L-ornithine, which is further metabolized into metabolites proline and polyamides that drive collagen synthesis and bioenergetic pathways critical for cell proliferation, respectively; the urea cycle takes place primarily in the liver and, to a lesser extent, in the kidneys.; Functions in L-arginine homeostasis in nonhepatic tissues characterized by the competition between nitric oxide synthase (NOS) and arginase for the available intracellular substrate arginine. Arginine metabolism is a critical regulator of innate and adaptive immune responses. Involved in an antimicrobial effector pathway in polymorphonuclear granulocytes (PMN). Upon PMN cell death is liberated from the phagolysosome and depletes arginine in the microenvironment leading to suppressed T cell and natural killer (NK) cell proliferation and cytokine secretion. In group 2 innate lymphoid cells (ILC2s) promotes acute type 2 inflammation in the lung and is involved in optimal ILC2 proliferation but not survival. In humans, the immunological role in the monocytic/macrophage/dendritic cell (DC) lineage is unsure.
Subcellular Location	Cytoplasm. Cytoplasmic granule.
Protein Families	Arginase family
Database References	HGNC: 663 OMIM: 207800 KEGG: hsa:383 STRING: 9606.ENSP00000357066 UniGene: PMID: 30282613 TGF-beta1 and arginase-1 may play important roles in determining long-term graft survival. PMID: 30074212 These results showed that arginase controlled sFlt-1 elevation to some extent. PMID: 29548823 ARG1 gene polymorphisms and their association in individuals with essential hypertension in Pakistan has been presented. PMID: 29756997 A subset of well-differentiated hepatocellular carcinomas are arginase-1 negative. PMID: 28970136 The data in this study suggest that arginase I inhibition potentially represents a novel therapeutic target for the prevention and/or treatment of bronchopulmonary dysplasia-associated pulmonary hypertension. PMID: 27895230 this study shows that infiltrating macrophages expressing Arg1 are present in active allergic contact dermatitis lesions PMID: 28747341 High arginase expression is associated with glioblastoma. PMID: 27006175 Report the value of Arg-1 in distinguishing HepPar-1-positive prostatic carcinoma from hepatocellular carcinoma at metastatic sites or cases of liver metastasis from prostate carcinoma. PMID: 27184483 AEG-1 is positively activated in the tumorigenesis and deterioration of NSCLC. PMID: 28152520 Arginase-1 expression is common (62.5%) in hepatoid adenocarcinoma and hence it is not useful in distinguishing hepatocellular carcinoma from hepatoid adenocarcinoma. PMID: 27137985 Arginase 1 was highly expressed by tumor-associated Gr1+ microglia and macrophages. PMID: 27936099 The authors report here that Candida albicans blocks nitric oxide production in human-monocyte-derived macrophages by induction of host arginase activity. PMID: 28119468 Evidence for a negative association of arginase I with job strain and positive association with job control and social support in females. PMID: 28403218 Two argininemia patients were initially diagnosed by tandem mass spectrometry in newborn screening. Mutation analysis of the ARG1 gene was performed by direct sequencing.Two missense mutations, p.D100N and p.R71T, in Patient-1 were predicted to lower the stability of arginase Iota by analysis of 3D crystal structure, while two nonsense mutations, p.G12X and p.E42X, in Patient-2 were predicted to lead to truncated protein. PMID: 28089752 The results of this study suggested a novel relationship exists between ARG1, neutrophil-lymphocyte ratio , and stroke severity which may help guide future mechanistic studies of post-stroke immune suppression. PMID: 26515089 This study provides a molecular mechanism of the pathogenesis of systemic lupus erythematosus by demonstrating an Arg-1-dependent effect of myeloid-derived suppressor cells in the development of TH17 cell-associated autoimmunity. PMID: 27009269 ARG1 rs2781659 AA and rs2781667 TT genotypes were associated with lower IIEF scores (increased severity) in clinical erectile dysfunction (ED), whereas ARG1 GTCC haplotype is associated with higher IIEF scores in clinical ED, thus suggesting a genetic contribution of ARG1 variations to ED PMID: 26537638 These results showed that alterations in the expression levels of Arg I and iNOS in the peripheral T cells and peripheral nodes of HIV infected patients are associated with disease progression in these patients. PMID: 26647762 Increased ARG1 expression in macrophages after a single radiotherapy dose is an independent prognostic factor of skin toxicities. PMID: 26061397 Arginase inhibition arrests human pulmonary artery smooth muscle cells in the G1/G0-phase under hypoxic conditions. PMID: 26126810 Arginase from neutrophils can modulate nitric oxide production from activated macrophages which may affect the course of infection by intracellular bacteria. PMID: 26119192 Overexpression and elevated activity of arginase I are involved in tobacco-induced pulmonary endothelial dysfunction. PMID: 25889611 This method not only solved the problem of obtaining a large amount of arginase, but also provided a promising alternative for the future industrial production of L-Orn. PMID: 26227111 the combination of high levels of CD14, FOXP3, and ARG1 mRNAs identified a small group of patients with excellent event-free and overall survival. PMID: 26161395 Overexpression of Arg1 in the CNS of transgenic mice significantly reduced tau pathology. PMID: 26538654 data indicate that helminth coinfection induces arginase-1-expressing type 2 granulomas, thereby increasing inflammation and TB disease severity. PMID: 26571397 The data exclude a prognostic role of IL-10 and ARG-1 in metastatic neuroblastoma. PMID: 25961062 Arginase activity increases in peripheral blood of patients with intestinal schistosomiasis. PMID: 25786588 Data indicate that arginase-1 showed positivity in 2 ampullary region carcinomas and diffuse positivity in 1 duodenal adenocarcinoma. PMID: 26030248 Arg1 induced accumulation of autophagosomes in MDA-MB-231 cells. PMID: 25501824 Arg1 and PD-L1 are dynamically modulated upon neutrophil migration into human airways, and, Arg1, but not PD-L1, contributes to early neutrophil-driven T cell suppression in cystic fibrosis, likely hampering resolution of infection and inflammation. PMID: 25926674 These results suggest that ARG1 and GABA influence both neural development and neuroblastoma and that benzodiazepines in clinical use may have potential applications for neuroblastoma therapy. PMID: 25437558 Arg1 expression is decreased, and Arg2 expression is increased in the newborn congenital obstructive nephropathy and in the mouse model. PMID: 25205225 rs2781666 may be associated with protection against pulmonary hypertension in preterm neonates with bronchopulmonary dysplasia PMID: 24919409 The plasma levels of arginase I was higher in patients with DCL. PMID: 25124926 Novel variants in the ARG1 locus associated with CRP levels in cardiovascular disease in a Korean population. [Meta-analysis] PMID: 24763700 Arginase I levels are decreased in the plasma of pediatric patients with atopic dermatitis. PMID: 25027824 Arginase activity was higher in cord blood of gestational diabetes mellitus mothers as opposed to the control group. PMID: 24376824 Our results suggest that serum ARG and CRP together can efficiently diagnose Head and neck squamous cell carcinoma. PMID: 24715304 Serum arginase I might regulate serum L-arginine and 3-nitrotyrosine via L-arginine. PMID: 24060156 The independent associations of arginase I with urinary 8-OHdG and serum insulin may reflect its involvement in oxidative stress and diabetes mellitus. PMID: 24005081 Arginase-1 mRNA expression correlates with myeloid-derived suppressor cell levels in peripheral blood of NSCLC patients. PMID: 23850196 Both arginase-1 and HepPar-1 are effective markers of hepatocellular differentiation PMID: 24281232 This study demonistrated that Five novel mutations in ARG1 gene in Chinese patients of argininemia. PMID: 23859858 Glypican 3 and arginase-1 are the most reliable markers for identifying scirrhous hepatocellular carcinoma. PMID: 23348905 Enzymes that are directly involved in the formation of urea are expressed in ocular tissues. PMID: 23740519 Results show that the positively charged state of arginine is stable in the active site of arginase I, with that stabilization facilitated by the presence of hydroxide. PMID: 23327293 The tumor suppressive function of arginase-I in both infiltrating and circulating myeloid-derived suppressor cells is a downstream target of activated STAT3. PMID: 23454751 results suggest that Arg-1 may play a tumor suppressive role in HCC and could be a new, promising prognostic biomarker for HCC patients PMID: 23505904

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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.

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