Recombinant Human Glutathione Peroxidase 1 (GPX1) Protein (His-SUMO)

Name: Recombinant Human Glutathione Peroxidase 1 (GPX1) Protein (His-SUMO)
Brand: Beta LifeScience
SKU: BLC-08130P
Availability: InStock

Greater than 90% as determined by SDS-PAGE.

Collections: High-quality recombinant proteins, Other recombinant proteins

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Product Overview

Description	Recombinant Human Glutathione Peroxidase 1 (GPX1) 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	P07203
Target Symbol	GPX1
Synonyms	AL033363; Cellular glutathione peroxidase; Glutathione peroxidase 1; Glutathione peroxidase; GPx 1; GPx-1; GPX1; GPX1_HUMAN; GPXD; GSHPx-1; GSHPX1; MGC14399; MGC88245
Species	Homo sapiens (Human)
Expression System	E.coli
Tag	N-6His-SUMO
Target Protein Sequence	MCAARLAAAAAAAQSVYAFSARPLAGGEPVSLGSLRGKVLLIENVASLSGTTVRDYTQMNELQRRLGPRGLVVLGFPCNQFGHQENAKNEEILNSLKYVRPGGGFEPNFMLFEKCEVNGAGAHPLFAFLREALPAPSDDATALMTDPKLITWSPVCRNDVAWNFEKFLVGPDGVPLRRYSRRFQTIDIEPDIEALLSQGPSCA
Expression Range	1-203aa(U49S)
Protein Length	Full Length
Mol. Weight	38.1kDa
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.
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	Protects the hemoglobin in erythrocytes from oxidative breakdown. In platelets, plays a crucial role of glutathione peroxidase in the arachidonic acid metabolism.
Subcellular Location	Cytoplasm.
Protein Families	Glutathione peroxidase family
Database References	HGNC: 4553 OMIM: 138320 KEGG: hsa:2876 STRING: 9606.ENSP00000407375 UniGene: PMID: 29246792 there is no correlation between idiopathic male infertility and the GPx1 codon Pro198Leu polymorphism; further studies are needed to investigate other genetic factors that influence the development of idiopathic male infertility PMID: 27028814 Increased glutathione peroxidase (GPx) activity seemed to compensate for a decrease in GPx1 protein due to enhanced degradation via the proteasome. Mass spectrometry analysis identified Lys-114 as a possible carbonylation target which provides a vestibule for the substrate H2O2 and thus enhances the enzymatic reaction PMID: 29499564 ESR1 and GPX1 expression levels were found to be significantly down-regulated by 14.7% and 7.4% (respectively) in the tumorous breast tissue when compared to the non-malignant one. PMID: 29543921 The result of this study suggested that GPX1 Pro198Leu polymorphism could not be a risk factor for breast cancer in Rwanda. PMID: 29411539 A significant increase in the T allele and TT genotype frequencies was observed in diabetic peripheral neuropathy patients compared to control diabetics. The association remained significant after correction for age, disease duration, HbA1c and BMI. PMID: 27592002 No significant differences in allelic or genotypic frequencies of GPX1 rs1050450 or GSTP1 rs1695 were detected between Chinese schizophrenia cases and controls. PMID: 28872562 Genetic variations in selenoprotein genes modulated both GPX1 and SELENOP selenoprotein gene expression and global gene expression in response to Brazil nut supplementation. PMID: 28696394 Allele-specific interaction between GPX1 and MnSOD affects the levels of Bcl2, Sirt3 and E-cadherin. PMID: 28587495 GPX1, GPX3 and GPX4 may be upregulated in response to a change in oxidative stress during an acute coronary syndromes PMID: 28298473 The Pro198Leu polymorphism (rs1050450) to the selenoprotein glutathione peroxidase 1 gene (GPX1), and GSTM1 deletion had no effect on mercury levels in mildly exposed people, suggesting these genetic variants impact mercury levels only in highly exposed populations. PMID: 27450956 Evaluation of Glutathione Peroxidase and KCNJ11 Gene Polymorphisms in Patients with New Onset Diabetes Mellitus After Renal Transplantation PMID: 28073131 G/C (rs8179169; Arg5Pro) and T/C (rs4991448; Leu6Pro) polymorphisms significantly associated with vitiligo PMID: 26991090 Data show that the inflammation of the gallbladder wall (IGW) correlated significantly with plasma GPX1 and hs-CRP (high-sensitivity C-reactive protein) values suggesting that inflammation and oxidative stress are related. PMID: 29187474 High GPX1 expression is associated with oral squamous cell carcinoma. PMID: 28653098 GPX1 is a gatekeeper restraining the oncogenic power of mitochondrial ROS generated by SOD2 is presented. Review. PMID: 28087256 Using lens epithelial cells derived from targeted inactivation of Prdx6(-/-) gene and relative enzymatic and stability assays, we discovered dramatic increases in GSH-peroxidase (30%) and aiPLA2 (37%) activities and stability in the K122/142 R mutant, suggesting Sumo1 destabilized Prdx6 integrity PMID: 28055018 Coronary angiography findings indicated that individuals possessing Pro198Leu (CT) polymorphism were found to be associated with low erythrocyte GPX-1 activity and increased susceptibility for coronary artery disease. PMID: 27229152 High GPX1 expression is associated with Thyroid Tumors. PMID: 26970173 Data suggest that serum myeloperoxidase (GPX1) levels are significantly associated with higher asymmetric dimethyl-arginine (ADMA) levels and up-regulation of circulating components of renin-angiotensin-aldosterone-system in patients with cardiovascular disease (CVD). Serum levels of ADMA and angiotensin II are more predictive for all-cause and CVD mortality compared to GPX1. PMID: 28322753 Pro198Leu of GPX1 might be a genetic risk factor in the development of Nephrolithiasis in South Iranian patients with lower Glutathione Peroxidase enzyme activity. PMID: 28174350 our data suggest that gene polymorphisms of GPX1 Pro198Leu and CAT C262T may have a protective role in the development of primary open-angle glaucoma in a Polish population. PMID: 28547970 GPx-1 expression deters the unfolded protein response following exposure to cigarette smoke PMID: 28070146 Knockdown of GPX1 in hucMSCs abrogated antioxidant and anti-apoptotic abilities of hucMSC-Ex and diminished the hepatoprotective effects of hucMSC-Ex in vitro and in vivo. Thus, hucMSC-Ex promote the recovery of hepatic oxidant injury through the delivery of GPX1. PMID: 28089078 The potential protective effect without statistical relationships were also observed for other genotypes and alleles studied polymorphic variants of antioxidant enzymes in CD and CAT- 262C / T and + 35 A / C SOD1 in UC. Conducted our audit should be extended to more group of patients in order to assess whether or not to confirm the observed during analysis, the protective effect of CAT-262 C / T in ulcerative colitis and PMID: 28141554 No significant differences in SOD and GPx activity both in plasma and saliva were found between Crohn's Disease remission group and the control group. PMID: 28011951 GPX1 and SEPP1 Single Nucleotide Polymorphism were not associated with any changes in the expression of related genes. GPX1 was shown to modulate the expression of unrelated target, SEP15, upon Se supplementation, both alone and in combination with SEPP1. PMID: 26658762 Study demonstrates that SOD2 rs4880, GPX1 rs1050450 and CAT rs1001179 are not associated with an increased susceptibility to epilepsy after neonatal hypoxic-ischemic encephalopathyor its drug resistance PMID: 28222320 Data show that antioxidant enzymes SOD2 and GPX1 expression and GPX1 and SOD1 activity were significantly higher in patients at diagnosis of bladder cancer (BC) in comparison to controls. PMID: 28179340 Data show that the placement of rectus sheath block (RSB) analgesia did not significantly affect the level of oxidative stress biomarker plasma glutathione peroxidase (GPX1) level in patients with benign disease or cancer. PMID: 28179349 Adiponectin gene promoter -11377C/G (CG), -11377C/G (GG), GPx-1 gene C594T (CT), C594T (TT), and cigarette smoking are risk factors in nonalcoholic fatty liver disease (NAFLD). PMID: 26897098 Our results suggest that GSTP1 rs1695 and GPX1 rs1050450 single nucleotide polymorphisms have no effect on the risk of preeclampsia in the Chinese Han population. PMID: 27825163 Results show no significant association between glutathione peroxidase 1 (GPX1) Pro198Leu polymorphism and risk of bladder cancer. PMID: 28145855 It was concluded that the genotype for SNPs in GPX1 and gender affected biomarkers of Se status in this pilot study with healthy Brazilians. PMID: 27164132 The effects of oleuropein (OL) on hydrogen peroxide-induced oxidative stress in L02 cells showed that SOD1, GPx1, and catalase levels were all increased, and suggested that OL is a potent antioxidant and may be therapeutically useful in liver disease prevention. PMID: 27914828 This meta-analysis showed a significant association between low GPx level and vitiligo. PMID: 27218102 GPx-1 Pro200Leu polymorphism was associated with obesity especially with morbid obesity, but not with obese participants with prediabetes or diabetes PMID: 26545512 variants of GPx1 and MnSOD should not be considered as a risk factor of laryngeal squamous cell carcinoma. PMID: 27188866 Glucose oscillations may exert more deleterious effects on the endothelium than high glucose, likely due to an impaired response of glutathione peroxidase-1, coupled by the upregulation of miR-185 PMID: 27137793 Results showed no statistically significant difference between the vitiligo and MnSOD Ala-9Val and GPx1 Pro198Leu gene polymorphisms in Turkish population. PMID: 27100222 The purpose of the study was to evaluate the plasma level of superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPX) and the association between polymorphic variants in genes encoding for GPx1, SOD, CAT and the risk of distal symmetric polyneuropathy in type 2 diabetes mellitus patients. PMID: 26674569 This study examined the relationship between levels of GPx activity, reactive oxygen species, and platelet activation in 51 acute coronary syndrome (ACS) patients. PMID: 27993878 The MnSOD, GPX1 and CAT genotypes and allele frequencies of acute kidney injury patients did not differ significantly from those of healthy controls. PMID: 26787049 the presence of variant allele and genotype of GPX1 Pro198Leu and GSTP1 Ile105Val gene polymorphisms may modulate the risk of developing acute myeloid leukemia PMID: 26823947 GPX1 Pro198Leu rs1050450 genotypes differentially affect the selenium status and GPx activity. PMID: 26661784 patients with end-stage renal disease (ESRD) and those without chronic kidney disease (CKD) of Han Chinese origin, with SOD2 (Val16Ala), GPX1 (Pro197Leu), and PPAR-gamma (Pro12Ala, C161T) were genotyped. PMID: 26881045 1,25D3 works as a modifier of NF-kappaB/GPX1/uPA expression, inhibiting cisplatin-resistance and cell invasive ability of salivary adenoid cystic carcinoma cells PMID: 26782341 SOD2 but not GPx1 activity decreased significantly in the presence of the mutated allele (Val and Leu, respectively). PMID: 27067415 GPX1*Pro198Leu AND GPX3 rs2070593 as genetic risk markers for Italian asthmatic patients PMID: 26662676 An increase in both SOD1 and GPx1 activity is involved in the protective effect of sulodexide on ischemic endothelial cells. PMID: 26477504

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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.