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Human PTMA Protein (GST Tag)

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Human PTMA Protein Product Information
Protein Construction:A DNA sequence encoding the human PTMA (P06454-1) (Ser 2-Asp 111) was fused with the GST tag at the N-terminus.
Expressed Host:E. coli
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Human PTMA Protein QC Testing
Purity:> 90 % as determined by SDS-PAGE
Endotoxin:Please contact us for more information.
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Met
Molecule Mass:The recombinant human PTMA/GST chimera consists of 341 amino acids and has a predicted molecular mass of 39 kDa. It migrates as an approxiamtely 45 KDa band in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile PBS, pH 7.5
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Human PTMA Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Human PTMA Protein SDS-PAGE
Human PTMA Protein (GST Tag) SDS-PAGE
Other PTMA Recombinant Protein Products
PTMA Background

PTMA (prothymosin, alpha, N-GST chimera) is a small, 12.4 kDa protein. It is a 109-111 amino acid long polypeptide as the precursor of thymosin a1. Thymosins are named becaues they were originally isolated from the thymus. But now in many other tissues, thymosins also can be detected. Thymosins have diverse biological activities, and two in particular, thymosins a1 and _4, have potentially important uses in medicine, some of which have already progressed from the laboratory to the clinic. In general, PTMA is associated with cellular proliferation and carcinogenesis (Eschenfeldt et al., 1986), cellular and viral transcription (Cotter et al., 2000), protection against apoptosis and chromatin remodelling (Karetsou et al., 1998). PTMA may have a dual role both intracellulary and extracellulary. In relation to diseases, thymosins have been categorized as biological response modifiers. Thymosin a1 is derived from PTMA. For animals that lack thymus glands, thymosin a1 is responsible for the activity of that preparation in restoring immune function.

Human PTMA References
  • Manrow RE, et al. (1992) The human prothymosin alpha gene family contains several processed pseudogenes lacking deleterious lesions. Genomics. 13(2):319-31.
  • Wara DW, et al. (1975) Thymosin activity in patients with cellular immunodeficiency. N Engl J Med. 292(2):70-4.
  • Garaci E, et al. (2007) Thymosin alpha 1: from bench to bedside. Ann N Y Acad Sci. 1112:225-34.
  • Goldstein AL, et al. (2009) From lab to bedside: emerging clinical applications of thymosin alpha 1. Expert Opin Biol Ther. 9(5):593-608.
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    Catalog: 11407-H09E-20
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    • Human PTMA Protein (GST Tag) SDS-PAGE
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