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Your Position: Home > All Other Proteins > PSMA > PSA-R5245

Rat PSMA / FOLH1 Protein, His Tag (active enzyme, MALS verified)

  • Synonym
    FOLH1,PSMA,GIG27,FOLH,NAALAD1,PSM,NAALADase I,GCPII,FGCP
  • Source
    Rat PSMA, His Tag (PSA-R5245) is expressed from human 293 cells (HEK293). It contains AA Lys 45 - Asp 752 (Accession # P70627-1).
    Predicted N-terminus: His
  • Molecular Characterization
    Online(Lys 45 - Asp 752) P70627-1

    This protein carries a polyhistidine tag at the N-terminus.

    The protein has a calculated MW of 81.4 kDa. The protein migrates as 95-110 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by reduced SDS-PAGE.

    >90% as determined by SEC-MALS.

  • Formulation

    Supplied as 0.2 μm filtered solution in 25 mM MES, 500 mM NaCl, pH6.5 with trehalose as protectant.

    Contact us for customized product form or formulation.

  • Storage

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. The product MUST be stored at -70°C or lower upon receipt;
    2. -70°C for 3 months under sterile conditions.
  • Shipping
    This product is supplied and shipped as sterile liquid solution with dry ice, please inquire the shipping cost.
SDS-PAGE
Rat PSMA, His Tag (Cat. No. PSA-R5245) SDS-PAGE gel

Rat PSMA, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

SEC-MALS
Rat PSMA, His Tag (Cat. No. ) MALS images

The purity of Rat PSMA, His Tag (Cat. No. PSA-R5245) was more than 90% and the molecular weight of this protein is around 170-208 kDa verified by SEC-MALS.

Bioactivity

Measured by its ability to hydrolyze the substrate N-acetyl-L-Asp-L-Glu into N-acetyl-L-Asp and L-Glu. The L-Glu product is measured by fluorescence after its derivatization by ortho-phthaldialdehyde. The specific activity is >300 pmol/min/μg, as measured under the described conditions (QC tested).

  • Background
    Prostate-specific membrane antigen (PSMA) is also known as Folate hydrolase 1 (FOLH1), Glutamate carboxypeptidase 2 (GCP2), N-acetylated-alpha-linked acidic dipeptidase I (NAALAD1), which belongs to the peptidase M28 family and M28B subfamily. FOLH1 / PSMA is stable at pH greater than 6.5. FOLH1 / PSMA is a type II transmembrane zinc metallopeptidase that is most highly expressed in the nervous system, prostate, kidney, and small intestine. FOLH1 / GCP-2 is homodimer and binds 2 zinc ions per subunit, and required for NAALADase activity. The catalytic activity of PSMA involved in releasing of an unsubstituted, C-terminal glutamyl residue, typically from Ac-Asp-Glu or folylpoly – gamma - glutamates. FOLH1 / GCP-2 / PSMA has both folate hydrolase and N – acetylated – alpha – linked - acidic dipeptidase (NAALADase) activity and has a preference for tri-alpha-glutamate peptides. GCP-2 / PSMA involved in prostate tumor progression and also exhibits a dipeptidyl-peptidase IV type activity. In vitro, cleaves Gly-Pro-AMC.
  • Clinical and Translational Updates
      
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Price(USD) : $400.00

Price(USD) : $2600.00

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