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Home >> Antibodies >> FGAMS Antibody / PFAS Polyclonal Antibody

FGAMS Antibody / PFAS Polyclonal Antibody (F54807)

  Catalog No Formulation Size Price (USD)  
Image F54807-0.4ML In 1X PBS, pH 7.4, with 0.09% sodium azide 0.4 ml 439
Image
F54807-0.08ML In 1X PBS, pH 7.4, with 0.09% sodium azide 0.08 ml 205
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FGAMS Antibody WB in Human 293T and Jurkat Cells. Western blot analysis of human 293T (lane 1) and Jurkat (lane 2) cell lysates using the PFAS Polyclonal Antibody. A band is detected at approximately 135-145 kDa in both samples, consistent with the predicted molecular weight of PFAS (~145 kDa).
Western blot testing of human HepG2 cell lysate with PFAS antibody. Predicted molecular weight ~145 kDa.
FGAMS Antibody IHC in Human Brain. Immunohistochemical staining of FFPE human brain tissue using the PFAS Polyclonal Antibody. Diffuse cytoplasmic and neuropil-associated brown staining is observed, with variable staining intensity among cells and predominantly unstained nuclei. Heat-induced epitope retrieval was performed by steaming sections in citrate buffer (pH 6.0) for 20 minutes, followed by cooling before staining.
FGAMS Antibody FACS in Human HepG2 Cells. Flow cytometry analysis of human HepG2 cells using the PFAS Polyclonal Antibody. The antibody-stained population (green) shows a pronounced rightward fluorescence shift relative to the isotype control (blue), indicating PFAS detection.
Species Reactivity Human
Format Purified
Host Rabbit
Clonality Polyclonal (rabbit origin)
Isotype Rabbit Ig
Purity Antigen affinity purified
UniProt O15067
Localization Cytoplasmic
Applications Flow cytometry: 1:10-1:50 (1x10e6 cells)
Immunohistochemistry (FFPE): 1:50-1:100
Western blot: 1:500-1:1000
Limitations This FGAMS Antibody / PFAS Polyclonal Antibody is available for research use only.
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Description

FGAMS Antibody / PFAS Polyclonal Antibody recognizes phosphoribosylformylglycinamidine synthase, an enzyme involved in the de novo synthesis of purine nucleotides. Encoded by the PFAS gene, FGAMS catalyzes the ATP-dependent conversion of formylglycinamide ribonucleotide (FGAR) into formylglycinamidine ribonucleotide (FGAM). This reaction incorporates nitrogen derived from glutamine into a developing purine ring and represents the fourth enzymatic step in the pathway leading to inosine monophosphate (IMP), the common precursor of adenine and guanine nucleotides.

FGAMS is a glutamine amidotransferase that couples glutamine hydrolysis to the modification of a nucleotide intermediate. Its catalytic activity requires ATP and supports the progressive assembly of the purine ring on a ribose phosphate scaffold. Purine nucleotides are essential for nucleic acid synthesis, cellular energy transfer, and numerous signaling processes. Consequently, regulation of this biosynthetic pathway is closely connected to nutrient availability, cellular proliferation, and metabolic demands. Cells can obtain purines through salvage reactions, but de novo synthesis provides an additional source when nucleotide requirements increase.

An important aspect of FGAMS biology is its participation in purinosomes, transient assemblies containing enzymes of the de novo purine biosynthetic pathway. These structures have been observed under conditions that favor increased purine production, including purine depletion. FGAMS has been used in studies examining purinosome formation, intracellular organization, and the relationship between enzyme localization and metabolic activity. Although purinosomes are associated with coordinated nucleotide synthesis, their precise organization and functional contributions remain subjects of investigation.

FGAMS is primarily associated with the cytoplasm, where de novo purine biosynthesis takes place. Its activity contributes to the nucleotide supply required for DNA replication, RNA synthesis, and other processes dependent on purine-containing molecules. Altered purine metabolism has attracted attention in cancer research because proliferating cells frequently exhibit increased nucleotide requirements. Investigating FGAMS can therefore help clarify how nucleotide biosynthesis responds to metabolic conditions and how purinosome-associated enzymes contribute to cellular homeostasis. NSJ Bioreagents offers this FGAMS Antibody for research into purine metabolism, enzyme organization, and the regulation of intracellular nucleotide production.

For additional research options, explore our PFAS Antibody, which has been evaluated by Western blot across a broad panel of human, mouse, and rat samples.

Application Notes

The stated application concentrations are suggested starting points. Titration of the FGAMS Antibody / PFAS Polyclonal Antibody may be required due to differences in protocols and secondary/substrate sensitivity.

Immunogen

A portion of amino acids 184-213 from the human protein was used as the immunogen for the PFAS / FGAMS antibody.

Storage

Aliquot the PFAS / FGAMS antibody and store frozen at -20oC or colder. Avoid repeated freeze-thaw cycles.

Alternate Names

Phosphoribosylformylglycinamidine synthase antibody, FGAR amidotransferase antibody, Formylglycinamidine ribonucleotide synthase antibody, Phosphoribosylformylglycinamidine amidotransferase antibody

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