Recombinant Human Mitochondrial Peptide Methionine Sulfoxide Reductase (MSRA) Protein (His)

Beta LifeScience SKU/CAT #: BLC-10065P
Greater than 90% as determined by SDS-PAGE.
Greater than 90% as determined by SDS-PAGE.

Recombinant Human Mitochondrial Peptide Methionine Sulfoxide Reductase (MSRA) Protein (His)

Beta LifeScience SKU/CAT #: BLC-10065P
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Product Overview

Description Recombinant Human Mitochondrial Peptide Methionine Sulfoxide Reductase (MSRA) Protein (His) is produced by our E.coli expression system. This is a full length protein.
Purity Greater than 90% as determined by SDS-PAGE.
Uniprotkb Q9UJ68
Target Symbol MSRA
Synonyms Cytosolic methionine S sulfoxide reductase ; Methionine sulphoxide reductase A; Mitochondrial peptide methionine sulfoxide reductase; MSR A; msrA; MSRA_HUMAN; peptide met (O) reductase; Peptide Met(O) reductase; Peptide methionine (S) S oxide reductase; Peptide-methionine (S)-S-oxide reductase; PMSR; Protein methionine S oxide reductase; Protein-methionine-S-oxide reductase
Species Homo sapiens (Human)
Expression System E.coli
Tag N-6His
Target Protein Sequence GNSASNIVSPQEALPGRKEQTPVAAKHHVNGNRTVEPFPEGTQMAVFGMGCFWGAERKFWVLKGVYSTQVGFAGGYTSNPTYKEVCSEKTGHAEVVRVVYQPEHMSFEELLKVFWENHDPTQGMRQGNDHGTQYRSAIYPTSAKQMEAALSSKENYQKVLSEHGFGPITTDIREGQTFYYAEDYHQQYLSKNPNGYCGLGGTGVSCPVGIKK
Expression Range 24-235aa
Protein Length Full Length of Mature Protein
Mol. Weight 27.5kDa
Research Area Metabolism
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 Has an important function as a repair enzyme for proteins that have been inactivated by oxidation. Catalyzes the reversible oxidation-reduction of methionine sulfoxide in proteins to methionine.
Subcellular Location [Isoform 1]: Mitochondrion.; [Isoform 2]: Cytoplasm.; [Isoform 3]: Cytoplasm. Nucleus.; [Isoform 5]: Cytoplasm. Membrane; Lipid-anchor.
Protein Families MsrA Met sulfoxide reductase family
Database References
Tissue Specificity Ubiquitous. Highest expression in adult kidney and cerebellum, followed by liver, heart ventricles, bone marrow and hippocampus.

Gene Functions References

  1. Data show that miR-193b, by directly targeting focal adhesion kinase (FAK), CRK-like proto-oncogene (CRKL), and methionine sulfoxide reductase A (MSRA), regulates focal adhesion signaling and ROS signaling, which play pivotal roles in liposarcomagenesis and adipogenic differentiation. PMID: 28882999
  2. this study we have identified, for the first time, compounds structurally related to the natural products fusaricidins that markedly activate recombinant bovine and human MsrA and human MsrB. PMID: 26718410
  3. The association of MsrA haplotypes with executive functions indicated that MsrA is associated with executive function defects in bipolar I disorder patients. PMID: 26117066
  4. Silencing the expression of the main Msr elements-MsrA, MsrB1, or MsrB2 exacerbates sensitivity toward oxidative stress. PMID: 23988788
  5. ARD1 has a crucial role in the cellular response to oxidative stress as a bona fide regulator of MSRA. PMID: 25341044
  6. The functional MSRA rs10903323 G/A polymorphism is associated with coronary artery disease development. PMID: 23880405
  7. We hypothesize that the activity of MsrA can be employed as a marker for the isolation of stem and progenitor cell subpopulations for cell therapy applications. PMID: 23415806
  8. The MSRA rs10903323 G/A variant allele is associated with Rheumatoid Arthritis development, especially among male patients, older patients, C-Reactive Protein-positive patients, and anti-cyclic citrullinated peptide negative patients. PMID: 23244167
  9. The MSRA rs10903323 gene polymorphism may be implicated in the increased risk to develop cardiovascular events, in particular ischaemic heart disease, observed in rheumatoid arthritis patients. PMID: 22657383
  10. Mammalian and yeast MSRA reduced free methionine sulfoxide much more efficiently than MSRB. PMID: 22867795
  11. Data show that glutaredoxin acts as a reductant for methionine sulfoxide reductases A and B (MsrA and MsrB) with or without resolving cysteine. PMID: 22634633
  12. The haplotype with the lowest P value showed association with Meconium ileus in an independent sample of 1,335 unrelated cystic fibrosis patients PMID: 22438829
  13. The MSRA gene located on chromosome 8 was found to be associated with the phenotype of schizophrenia in Chinese first-episode schizophrenia patients. PMID: 21679298
  14. central obesity-associated variants in LYPLAL1, NRXN3, MSRA, and TFAP2B PMID: 21674055
  15. Data suggest a critical role for TXNL6 in MsrA repair of essential lens proteins under oxidative stress conditions and that TXNL6 is important for MsrA defense protection against cataract. PMID: 21079812
  16. Our findings indicate that a novel association in the MSRA gene is related to oxidative stress and support the notion of a major role for this process in rheumatoid arthritis. PMID: 20617525
  17. reduction of MsrA levels results in increased cell proliferation and extracellular matrix degradation, and consequently in a more aggressive cellular phenotype in breast cancer cells PMID: 20937881
  18. Meta-analysis and genome-wide association study of gene-disease association. (HuGE Navigator) PMID: 20421936
  19. Dual sites of protein initiation control the localization and myristoylation of methionine sulfoxide reductase A PMID: 20368336
  20. protein-specific autoantibody are associated with pulmonary fibrosis and renal vascular damage in systemic sclerosis PMID: 19844733
  21. FOXO3a directly activates the human MsrA promoter in a cell culture system, implying that this could be a conserved mechanism of MsrA regulation. PMID: 19747232
  22. MSRA is down-regulated during cell aging. PMID: 14759519
  23. MsrA is present throughout the human lens, where it is likely to defend lens cells and their components against methionine oxidation PMID: 15199188
  24. The cloning and characterization of the 5' promoter region of human msrA are reported. PMID: 16162094
  25. MsrA may play an important role in cellular defenses against oxidative stress and in protection against death by limiting the accumulation of oxidative damage to proteins PMID: 16257642
  26. showed the expression and function of both sulfoxide reductases together with thioredoxin reductase in the cytosol as well as in the nucleus of epidermal melanocytes which are especially sensitive to reactive oxygen PMID: 16480945
  27. MSRA gene on chromosome 8p might possess metastasis suppressor activity in HCC. PMID: 17784942
  28. Methionine sulfoxide reductases A and B are seriously affected by hydrogen peroxide accumulation in acute vitiligo. PMID: 17943184
  29. this work points towards MSRA as a novel schizophrenia candidate gene PMID: 18506707
  30. Retinoic acid regulates transcription of MSRA gene via two distinct promoters via retinoic acid receptors. PMID: 18845237
  31. This suggests an important role for an MSRA catalytic antioxidant cycle for protection of the cytoplasmic compartment against oxidative damage. PMID: 19085252
  32. almost absent catalase and methionine sulfoxide reductase A and B protein expression in human gray/white scalp hair shafts in association with a functional loss of methionine sulfoxide repair in the entire gray hair follicle PMID: 19237503
  33. MSR enzymes are differentially expressed in human skin PMID: 19542914
  34. TFAP2B, LYPLAL1 and MSRA are associated with adiposity and fat distribution. PMID: 19557161
  35. Observational study, meta-analysis, and genome-wide association study of gene-disease association. (HuGE Navigator) PMID: 19557161

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.

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