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RHAG

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All listed services and products are For Research Use Only. Do Not use in any diagnostic or therapeutic applications.

Background

RHAG (Rh associated glycoprotein) encodes a multi-pass transmembrane glycoprotein localizing predominantly to erythroid cell surface compartments. This protein is detectable within erythroid lineage cells and exhibits restricted tissue distribution patterns. Distinct from purely soluble intracellular factors, it contains multiple transmembrane segments paired with extracellular and cytosolic terminal domains and lacks independent catalytic functional modules. It functions primarily as an ammonium/ammonia transporter in the erythrocyte membrane and also participates in the Rh complex with adjacent membrane proteins. RHAG mediates transmembrane movement of NH4+ and NH3, while its incorporation into the Rh complex contributes to erythrocyte membrane organization. Reduced RHAG abundance or function may therefore impair ammonium transport and disrupt Rh-complex stability. Distinct erythroid developmental stages bring varied surface molecular compositions, and membrane-localized RHAG contributes both transport activity and structural support within erythrocyte membrane complexes.

Genetic alterations in RHAG can impair ammonium transport across the erythrocyte membrane and may also alter the stability or composition of the Rh complex. RHAG belongs to the Rh family of membrane transport proteins and, in erythrocytes, forms an RHAG/RHCE-containing heteromeric complex. Its transport activity supports movement of ammonium/ammonia across the membrane, whereas its association with other erythroid membrane proteins contributes to membrane organization. Changes in RHAG expression or sequence can therefore affect both transport function and Rh-complex assembly, making RHAG a useful research target for studies of erythroid ammonium transport and membrane glycoprotein biology.

Fig. 1 Local structural visualization of human RHAG containing erythroid heteromeric membrane glycoprotein complex for erythroid surface complex research reagent characterization. (OA Literature)Fig. 1 Structural features of human RHAG multi‑pass transmembrane glycoprotein, illustrating its subunit arrangement within heteromeric erythroid plasma‑membrane protein complex.1

RHAG Protein Function: Core Roles in Ammonium/Ammonia Transport and Rh-Complex Organization

The biological functions of transmembrane RHAG glycoprotein are focused on ammonium/ammonia transport across the erythrocyte membrane and its structural participation in the Rh complex:

  • Ammonium/Ammonia Transport: RHAG mediates transmembrane movement of ammonium species across erythrocyte membranes, including transport of NH4+ and NH3.
  • Rh-Complex Association: RHAG associates with RHCE-containing membrane assemblies and contributes to organization of the erythrocyte Rh complex.
  • Erythrocyte Membrane Integration: As a multi-pass membrane protein, RHAG links its transport role with structural integration into broader erythroid membrane protein complexes.
  • Transport-Dependent Membrane Physiology: Changes in RHAG abundance or activity may alter ammonium handling and influence erythrocyte membrane physiology.
  • Research Model Relevance: Sequence variants of RHAG may alter ammonium transport efficiency and Rh-complex organization within laboratory research systems.

RHAG Membrane Protein Product

Creative Biolabs offers purified RHAG membrane samples produced under unified preparation workflows, including full-length RHAG constructs and isolated domain variants. Truncated domain fragments cannot support complete surface-partner-complex assembly behaviours, while full-length constructs suit research focused on scaffold-subunit-partner interaction and cell-membrane 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 RHAG samples retain intact partner-interaction-domain conformation after standardized purification, which supports reliable detection of weak and transient subunit-partner contacts for comparative functional analysis.

RHAG Membrane Protein Product

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RHAG Stable Cell Line Product

Creative Biolabs provides adjustable RHAG expression cell research models with varied expression levels, applicable to structural observation of multi-pass membrane glycoprotein proteins and research into membrane-partner molecular interaction. Sample evaluation includes sustained target expression detection and preliminary partner-interaction observation, enabling side-by-side comparison of subunit-binding behaviours under differing expression abundances. These cell systems can pair with diverse laboratory analysis schemes to track changes in partner-assembly efficiency alongside shifting target protein levels.

RHAG Stable Cell Line Product

Not finding the stable cell line product you need? Contact us to start your one-stop custom service!

RHAG Recombinant Antibody Product

Anti-RHAG recombinant antibodies are generated via standardized protein preparation workflows, compatible with routine laboratory detection techniques for cell-surface-membrane localization mapping and identification of subunit-partner molecular complexes. The antibody series can work alongside common laboratory detection reagents to realize multi-dimensional observation of target distribution within erythroid-lineage sample materials.

RHAG Recombinant Antibody Product

Not finding the recombinant antibody product you need? Contact us to start your one-stop custom service!

Product Features

  • Partner Matching Structural Traits: Retains native surface-scaffolding and partner-interaction-domain features, suited for laboratory observation of erythroid surface-partner and transmembrane-glycoprotein-subunit binding interactions.
  • Target Selective Recognition: Might bind distinct structural regions unique to RHAG, applicable to mechanistic research on erythroid-associated membrane glycoprotein proteins.
  • Erythroid-Membrane Research Compatibility: Designed for routine laboratory analysis of regulatory pathways governing cell-surface-complex subunit-partner gradient balance.
  • Full Customization Support: Tailored RHAG membrane protein, antibody and cell model development can be arranged to satisfy diversified membrane-glycoprotein research demands.

Custom RHAG Research Services

Beyond catalog products, Creative Biolabs offers specialized custom services for RHAG research:

  • Custom RHAG Protein Production: Tailored mutant and fluorescent-tagged RHAG constructs for dual membrane-partner assembly analysis.
  • Custom Antibody Development: Generation of target-specific RHAG antibodies for cell-membrane-subunit localization observation and subunit-partner complex detection.
  • Stable Cell Line Engineering: Construction of customized cell systems with tunable RHAG expression levels.
  • Functional Assay Development: Custom design of detection workflows for observing surface-partner and cell-membrane-molecule binding activity.

Frequently Asked Questions (FAQ)

  1. What is the primary function of RHAG?

    RHAG is a multi-pass erythrocyte membrane glycoprotein that mediates ammonium/ammonia transport and also participates in the heteromeric Rh complex.

  2. Why is RHAG a significant research target?

    RHAG expression or sequence changes may alter ammonium transport and Rh-complex organization, affecting erythrocyte membrane physiology.

  3. Are Creative Biolabs' RHAG products suitable for clinical use?

    No, RHAG-associated research reagents from Creative Biolabs are exclusively built for exploring membrane-glycoprotein-dependent erythroid cell-surface complex regulatory mechanisms, and shall not be deployed for any clinical-oriented workflows. These preparations are optimized for basic erythroid-laboratory investigation and do not satisfy performance benchmarks required for clinical implementation.

  4. What types of RHAG products does Creative Biolabs offer?

    Offerings include full-length RHAG membrane protein, target-specific recombinant antibodies and tunable expression cell research models, supporting research on erythroid membrane homeostasis and membrane-glycoprotein-mediated surface-partner perception.

  5. How to observe the partner-binding characteristics of RHAG samples?

    Laboratory observation schemes may include subunit-partner interaction related tests to analyse molecular-binding associated behaviors under simulated cell-membrane environments.

Reference
  1. Pretini, Virginia, et al. "Red blood cells: chasing interactions." Frontiers in physiology 10 (2019): 945. Under Open Access license CC BY 4.0, without modification. https://doi.org/10.3389/fphys.2019.00945
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