Creative Biolabs is offering the most comprehensive services for antibody development projects. With strict regulation and effective execution, we are dedicated to providing the most valuable solutions to complete your projects.
HighlightsCreative Biolabs is offering the most comprehensive services for antibody development projects. With strict regulation and effective execution, we are dedicated to providing the most valuable solutions to complete your projects.
HighlightsCreative Biolabs has established a broad range of platforms for developing novel antibodies or equivalents. These cutting-edge technologies enable our scientists to meet your demands from different aspects and tailor the most appropriate solution that contributes to the success of your projects.
HighlightsWith deep understanding in antibody-related realms and extensive project experience, Creative Biolabs offers a variety of references to help you learn more about our capacities and achievements, including infographic, flyer, case study, peer-reviewed publications, and all kinds of knowledge that can assist your projects. You are also welcome to contact us directly for more specific solutions.
HighlightsGet a real taste of Creative Biolabs, one of the most professional custom service providers in the world. We are committed to providing highly customized comprehensive solutions with the best quality to advance your projects.
Highlights
Loading...All listed services and products are For Research Use Only. Do Not use in any diagnostic or therapeutic applications.
Complement C5a receptor 1 (C5AR1) is a seven-transmembrane G protein-coupled receptor encoded by the C5AR1 gene and is highly expressed on multiple immune cell populations, including neutrophils, monocytes, macrophages, and other myeloid cells. Distinct from soluble cytosolic immune mediators, C5AR1 contains a characteristic seven-transmembrane helical bundle with intracellular regions that couple receptor activation to downstream signaling pathways. C5AR1 functions as a cell-surface receptor for the complement-derived anaphylatoxin C5a, which is generated during complement activation. Binding of C5a induces conformational changes in C5AR1 and activates heterotrimeric G proteins, particularly Gi-family proteins, initiating downstream signaling that regulates chemotaxis, phagocytosis, reactive oxygen species production, cytokine release, and other innate immune responses. These responses contribute to the recruitment and activation of leukocytes at sites of complement activation and tissue inflammation. Following activation, C5AR1 can also recruit β-arrestins, which participate in receptor desensitization, internalization, trafficking, and context-dependent signaling.
Variants of the C5AR1 gene may affect receptor expression, ligand recognition, trafficking, or downstream signaling, although the functional effects of individual variants require experimental validation. Changes in C5AR1 expression or activity can influence cellular responsiveness to C5a and therefore provide useful models for investigating complement-dependent inflammatory signaling. As a plasma membrane GPCR, C5AR1 couples extracellular C5a recognition to intracellular signaling rather than acting as a passive membrane-anchored ligand-binding protein. Its signaling output depends on receptor activation, G-protein coupling, β-arrestin recruitment, cell type, and signaling context. Reduced or disrupted C5AR1 function can alter C5a-induced leukocyte responses, making C5AR1 an important research target for studies of complement receptor activation, GPCR signaling, innate immunity, and inflammatory mechanisms.
Fig. 1 Cryo‑EM structural view of ligand‑bound C5AR1 receptor complex. Extracellular peptide ligand engages seven‑transmembrane C5AR1, induces rearrangement of transmembrane helices, and enables assembly with intracellular G‑protein components to transduce signals across lipid bilayer.1
The biological functions of transmembrane C5AR1 complement‑receptor protein are focused on sustained complement‑peptide ligand interaction and local innate‑immune coordination:
Creative Biolabs offers purified C5AR1 membrane samples produced under unified preparation workflows, including full-length C5AR1 constructs and isolated extracellular-domain variants. Truncated domain fragments cannot support complete complement-ligand-engagement behaviours, while full-length constructs suit research focused on GPCR-ligand interaction and cell-surface-receptor anchoring functional observation. All batches receive uniform quality screening. Functional relevant observation may only be carried out with full-length samples under simulated plasma-membrane microenvironment setups. Consistent structural features are preserved across batches to support comparative laboratory analysis across separate test groups. Full-length C5AR1 samples retain intact ligand-recognition-domain conformation after standardized purification, which supports reliable detection of weak and transient receptor-ligand contacts for comparative functional analysis.
Not finding the Membrane protein product you need? Contact us to start your one-stop custom service!
Creative Biolabs provides adjustable C5AR1 expression cell research models with varied expression levels, applicable to structural observation of seven-transmembrane complement-receptor GPCR proteins and research into peptide-ligand molecular interaction. Sample evaluation includes sustained target expression detection and preliminary ligand-interaction observation, enabling side-by-side comparison of receptor-binding behaviours under differing expression abundances. These cell systems can pair with diverse laboratory analysis schemes to track changes in ligand-engagement efficiency alongside shifting target protein levels.
Not finding the stable cell line product you need? Contact us to start your one-stop custom service!
Anti-C5AR1 recombinant antibodies are generated via standardized protein preparation workflows, compatible with routine laboratory detection techniques for cell-surface-membrane localization mapping and identification of receptor-ligand molecular complexes. The antibody series can work alongside common laboratory detection reagents to realize multi-dimensional observation of target distribution within immune-rich tissue samples.
Not finding the recombinant antibody product you need? Contact us to start your one-stop custom service!
Beyond catalog products, Creative Biolabs offers specialized custom services for C5AR1 research:
C5AR1 might act as a seven-transmembrane complement-sensing GPCR and participate in peptide-ligand engagement to modulate local innate and inflammatory immune cellular responses.
C5AR1 expression status could alter complement-ligand recognition efficiency and local inflammatory immune balance, serving as a major regulatory mediator of tissue complement-driven biological processes.
No, C5AR1-associated research reagents from Creative Biolabs are exclusively developed for laboratory-based immunological studies, and should not be deployed for any clinical-oriented workflows. These preparations are optimized for basic-science investigation and do not fulfil performance criteria required for clinical implementation.
Offerings include full-length C5AR1 membrane protein, target-specific recombinant antibodies and tunable expression cell research models, supporting research on innate immune homeostasis and GPCR-mediated complement-peptide signal perception.
Laboratory observation schemes may include receptor-ligand interaction related tests to analyse molecular-binding associated behaviors under simulated cell-membrane environments.
