glutaminyl peptide cyclotransferase like proteinglutaminyl peptide cyclotransferase like protein protein 'glutaminyl-peptide cyclotransferase like - Glutaminylcyclase Human Glutaminyl-Peptide Cyclotransferase-Like (QPCTL) ELISA Kit Unveiling the Role of Glutaminyl-peptide Cyclotransferase-Like Protein (QPCTL) in Cellular Processes and Disease
Glutaminylcyclase The glutaminyl-peptide cyclotransferase like protein, often abbreviated as QPCTL, is an enzyme that has garnered significant scientific interest due to its crucial roles in various biological pathways and its implications in disease, particularly cancerQPCTL Antibody. As a newly discovered enzyme, research into QPCTL is rapidly evolving, shedding light on its enzymatic activities and its potential as a therapeutic target.
At its core, QPCTL is involved in the biosynthesis of pyroglutamyl peptides. This process is fundamental for the proper functioning of numerous biologically active peptides. The enzyme is known to enable glutaminyl-peptide cyclotransferase activity, a critical step in modifying peptides by forming a pyroglutamyl ring at their N-terminus.Role of glutaminyl-peptide cyclo-transferase-like protein ... This transformation can significantly alter the stability, receptor binding, and overall biological activity of the modified peptides. Early investigations suggested that QPCTL might be a Zn²⁺-dependent metalloenzyme, a characteristic shared with certain bacterial aminopeptidases and supported by structural similarities.
The cellular localization of glutaminyl-peptide cyclotransferase-like protein is primarily within the Golgi apparatus.QPCT Gene - Glutaminyl-Peptide Cyclotransferase Specifically, it is described as a single-pass type I membrane protein residing in the Golgi apparatus membrane. This strategic positioning allows QPCTL to interact with and modify peptides as they transit through the secretory pathway.Role of glutaminyl-peptide cyclo-transferase-like protein ...
Beyond its general enzymatic function, QPCTL plays a pivotal role in the tumor microenvironment.Glutaminyl-peptide cyclotransferase Aberrant expression of QPCTL has been observed in various types of cancer, suggesting a link between its activity and cancer progression. In the context of oncology, QPCTL has been implicated in modulating immune responses and promoting cancer cell survival. This has led to the development of specific QPCTL inhibitors, such as potent benzonitrile-based compounds, which have demonstrated antitumor efficacy in preclinical studies. For instance, a research effort identified QP5038 as a novel QPCTL inhibitor, offering a promising lead compound for the advancement of cancer immunotherapy作者：EF Oghenemaro·被引用次数：3—Glutaminyl-peptide cyclotransferase-like protein(QPCTL) is a newly discovered enzyme that has sparked interest owing to its possible role in ....
The scientific community is actively exploring various aspects of QPCTL. This includes the development of specific reagents like anti-QPCTL antibodies and diagnostic tools such as the Human Glutaminyl-Peptide Cyclotransferase-Like (QPCTL) ELISA Kit, which allows for the in vitro quantitative measurement of the proteinThis gene encodeshuman pituitary glutaminyl cyclase, which is responsible for the presence of pyroglutamyl residues in many neuroendocrine peptides.. Furthermore, the availability of made-to-order Human QPCTL membrane protein expressed in systems like HEK293 cells, and recombinant transmembrane protein expressed in a cell-free expression system, facilitates further research into its structure, function, and interactionsGlutaminyl-peptide cyclotransferase-like protein (QPCTL) ....
The broader family of glutaminyl cyclases, including glutaminyl cyclase (QC) and human glutaminyl-peptide cyclotransferase (QPCT), are also under intense scrutiny. QPCT, for example, is recognized for its role in the presence of pyroglutamyl residues in many neuroendocrine peptides, and is linked to the human pituitary glutaminyl cyclase.Glutaminyl-peptide cyclotransferase The enzymatic activity of these related proteins, often characterized by zinc ion binding activity, is crucial for various physiological processes.It was originally proposed to be a Zn 2+ -dependent metalloenzyme based on structural similarities to bacterial aminopeptidases and the observation that it can ...
Research has also delved into the structural and functional classification of these enzymesIt has been garnering considerable attention due to its aberrant expression profile in various different types of cancer and its apparent role in regulating .... For example, Protein:Glutaminyl-peptide cyclotransferase-like protein has been categorized within the Pfam database as part of Family c.56glutaminyl-peptide cyclotransferase (glutaminyl cyclase) 基因.5作者：EF Oghenemaro·2024·被引用次数：3—QPCTL plays a pivotal role in the tumor microenvironmentby modulating immune responses and promoting cancer cell survival through its enzymatic ....8作者：JRM Coimbra·2023·被引用次数：37—Glutaminylcyclase (QC) activity has been identified as a key effector in distinct biological processes. Humanglutaminyl-peptide cyclotransferase(QPCT) .... The precise catalytic mechanism, including the enzyme's bias against acidic and tryptophan residues adjacent to the N-terminal glutaminyl residue, is an area of ongoing investigation. The precise function of glutaminyl and peptide cyclotransferase activities, and their contribution to cellular homeostasis and disease pathology, is a key focus in current biochemical and molecular biology research.
In summary, the glutaminyl-peptide cyclotransferase like protein (QPCTL) is a vital enzyme with a complex array of functions. Its role in peptide modification, particularly the biosynthesis of pyroglutamyl peptides, is essential for normal cellular activity. Moreover, its aberrant involvement in the tumor microenvironment highlights its significance as a potential target for novel cancer therapies, driving the development of specific inhibitors and research toolsSCOPe 2.04: Protein: Glutaminyl-peptide cyclotransferase, QPCT. The ongoing exploration of QPCTL and its related enzymes promises to unlock further insights into fundamental biological processes and advance therapeutic strategies for a range of diseases.