- Tel: 858.663.9055
-
Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
PRRG1 Antibody recognizes proline-rich gamma-carboxyglutamic acid protein 1 (PRRG1), also known as transmembrane gamma-carboxyglutamic acid protein 1 (TMG1). This vitamin K-dependent protein belongs to the proline-rich Gla protein family, whose members contain gamma-carboxyglutamic acid (Gla) residues and membrane-spanning regions. PRRG1 is encoded by the PRRG1 gene on human chromosome X and is characterized by an extracellular Gla domain and a proline-rich intracellular region. These structural features suggest that PRRG1 may participate in calcium-dependent interactions and intracellular signaling.
PRRG1 is synthesized as a precursor containing an N-terminal signal sequence and a propeptide that directs vitamin K-dependent gamma-carboxylation. During this modification, selected glutamic acid residues are converted to gamma-carboxyglutamic acid by gamma-glutamyl carboxylase. The resulting Gla domain can coordinate calcium ions, potentially influencing protein conformation and interactions with extracellular molecules. Although this modification is best characterized in blood coagulation proteins, Gla-containing transmembrane proteins such as PRRG1 represent a distinct group with potentially different biological functions.
The intracellular portion of PRRG1 contains proline-rich sequences, including PPXY and PXXP motifs. These motifs can serve as recognition sites for protein interaction domains, including WW and SH3 domains, respectively. Their presence suggests that PRRG1 may function as a membrane-associated adaptor or regulatory protein connecting extracellular interactions with intracellular signaling machinery. However, the precise binding partners and physiological functions of PRRG1 remain incompletely characterized.
PRRG1 expression has been reported in the nervous system, particularly the spinal cord, suggesting a possible role in neuronal development or function. Its relationship to other proline-rich Gla proteins has also generated interest in the broader functions of vitamin K-dependent proteins outside coagulation. Research involving TMG1 may help clarify how extracellular calcium binding and intracellular protein interaction motifs contribute to membrane-associated signaling pathways.
Alternative transcript variants have been described for the PRRG1 gene, potentially contributing to differences in protein structure or regulation. Understanding PRRG1 expression and localization may provide additional insight into the biological significance of transmembrane Gla proteins. NSJ Bioreagents offers this antibody for investigations of PRRG1 biology and its relationship to cellular signaling mechanisms.
An PRRG1 Antibody provides a research tool for examining the expression and distribution of TMG1, a vitamin K-dependent transmembrane protein with extracellular calcium-binding and intracellular protein interaction domains.
For antibodies targeting proteins involved in cellular communication and regulatory pathways, explore our Signal Transduction Antibodies.
Optimal dilution of the PRRG1 Antibody / TMG1 Polyclonal Antibody should be determined by the researcher.
E. coli-derived recombinant human protein (amino acids R3-N201) was used as the immunogen for the PRRG1 Antibody.
After reconstitution, the PRRG1 Antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
TMG1 antibody, Transmembrane Gamma-Carboxyglutamic Acid Protein 1 antibody, Proline-Rich Gamma-Carboxyglutamic Acid Protein 1 antibody
Your bulk quote request has been submitted successfully!
Please contact us if you have any questions.