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SLC1A4

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

Background

Solute carrier family 1 member 4 (SLC1A4) encodes a multi‑pass plasma‑membrane solute carrier also known as ASCT1, which mediates sodium‑coupled neutral aminoacid transport across lipid bilayers. This transporter exhibits broad distribution across multiple tissue compartments, with prominent enrichment within nervous‑system associated tissues to sustain local amino‑acid supply. Distinct from soluble cytosolic metabolic mediators, this protein possesses multiple transmembrane helices that form substrate‑permeating structural folds, and does not rely on separate auxiliary subunits to complete core substrate translocation. It functions as a membrane‑embedded metabolic modulator, shuttling neutral amino‑acid substrates across cell boundaries under physiological conditions. Loss of adequate transporter function disturbs cellular amino‑acid uptake and perturbs downstream tissue metabolic equilibrium. SLC1A4 provides metabolic buffering to maintain balanced amino‑acid availability across diverse tissue niches. Different tissue microenvironments show divergent amino‑acid demands, requiring diversified surface‑resident transporter repertoires to sustain multicellular metabolic stability. Membrane‑integrated SLC1A4 engages amino‑acid‑derived molecular substrates to counteract aberrant metabolite fluctuations and preserve normal tissue physiological status.

Sequence alterations within SLC1A4 may modify substrate translocation properties and reshape cellular amino‑acid handling profiles. No other solute‑carrier family homologue can fully reproduce the combined capability of SLC1A4 for neutral amino‑acid substrate recognition and stable integration within plasma‑membrane frameworks. Variations in SLC1A4 protein abundance closely correspond to local metabolic nutrient requirements, making this transporter a valuable research subject for studying SLC‑family amino‑acid carriers and cellular metabolite homeostasis. Localized at plasma membrane compartments, SLC1A4 executes substrate exchange without triggering sustained constitutive intracellular signaling cascades. Its multi‑spanning transmembrane architecture differentiates it from other metabolite‑binding membrane proteins, supporting both ion‑coupled substrate translocation and selective physical contacts with transported amino‑acid substrates. Diminished functional SLC1A4 impairs tissue‑level amino‑acid acquisition workflows and weakens local metabolic buffering capacity, underscoring its research significance within membrane‑transport biology investigations.

Fig. 1 Schematic of SLC family elevator type alternating access transport cycle for SLC1A4, reference illustration for solute carrier protein research. (OA Literature)Fig. 1 Elevator‑type transport cycle of SLC‑family transporters. SLC1A4 may adopt this conserved alternating‑access mechanism, with hairpin motifs mediating substrate translocation across membrane.1

SLC1A4 Protein Function: Core Roles in Amino-Acid Substrate Recognition and Cellular-Metabolic Coordination

The biological functions of transmembrane SLC1A4 solute-carrier transporter protein are focused on sustained amino-acid-substrate interaction and tissue metabolic-homeostasis coordination:

  • Broad Amino-Acid-Substrate Affinity: Might interact with multiple neutral amino-acid molecular assemblies without triggering consistent intracellular signal cascades. The multi-pass SLC-family transporter binds substrate components originating from pericellular compartments and expands the scope of amino-acid-transport regulation within tissue microenvironments.
  • Metabolic-Homeostasis Regulation: Could moderate unbalanced metabolite-uptake responses to ease local metabolic-response overload. This regulatory mode prevents drastic intracellular amino-acid concentration fluctuation that disrupt stable tissue physiological conditions.
  • Cell-Surface Metabolic-Transport Mediator: Appears to facilitate reversible molecular attachment between SLC1A4 transmembrane-domain assemblies and target amino-acid-substrate complexes. Weak non-covalent transporter-substrate binding generates transient interaction patterns detectable via standard laboratory analytical workflows.
  • Pericellular-Metabolite Gradient Modulation: Shapes local membrane-associated substrate-transport gradients to coordinate overall cellular amino-acid-acquisition intensities.
  • Research Model Relevance: Sequence variants of SLC1A4 may alter amino-acid-substrate translocation efficiency within laboratory research systems.

SLC1A4 Protein Product

Creative Biolabs offers purified SLC1A4 membrane samples produced under unified preparation workflows, including full-length SLC1A4 constructs and isolated domain variants. Truncated domain fragments cannot support complete amino-acid-substrate-recognition behaviours, while full-length constructs suit research focused on solute-transporter-substrate interaction and cell-surface-transporter 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 SLC1A4 samples retain intact substrate-recognition-domain conformation after standardized purification, which supports reliable detection of weak and transient transporter-substrate contacts for comparative functional analysis.

SLC1A4 Membrane Protein Product

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

SLC1A4 Stable Cell Line Product

Creative Biolabs provides adjustable SLC1A4 expression cell research models with varied expression levels, applicable to structural observation of multi-pass SLC-family transporter proteins and research into amino-acid-substrate molecular interaction. Sample evaluation includes sustained target expression detection and preliminary substrate-interaction observation, enabling side-by-side comparison of transporter-binding behaviours under differing expression abundances. These cell systems can pair with diverse laboratory analysis schemes to track changes in substrate-transport efficiency alongside shifting target protein levels.

SLC1A4 Stable Cell Line Product

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

SLC1A4 Recombinant Antibody Product

Anti-SLC1A4 recombinant antibodies are generated via standardized protein preparation workflows, compatible with routine laboratory detection techniques for cell-surface-membrane localization mapping and identification of transporter-substrate molecular complexes. The antibody series can work alongside common laboratory detection reagents to realize multi-dimensional observation of target distribution within metabolically-active tissue samples.

SLC1A4 Recombinant Antibody Product

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

Product Features

  • Substrate Matching Structural Traits: Retains native amino-acid-substrate-recognition-domain features, suited for laboratory observation of neutral amino-acid substrate and transmembrane-SLC-transporter binding interactions.
  • Target Selective Recognition: Might bind distinct structural regions unique to SLC1A4, applicable to mechanistic research on SLC-family amino-acid transporter proteins.
  • Membrane-Transport Research Compatibility: Designed for routine laboratory analysis of regulatory pathways governing solute-transporter substrate-gradient balance.
  • Full Customization Support: Tailored SLC1A4 membrane protein, antibody and cell model development can be arranged to satisfy diversified solute-transporter research demands.

Custom SLC1A4 Research Services

Beyond catalog products, Creative Biolabs offers specialized custom services for SLC1A4 research:

  • Custom SLC1A4 Protein Production: Tailored mutant and fluorescent-tagged SLC1A4 constructs for dual amino-acid-substrate recognition analysis.
  • Custom Antibody Development: Generation of target-specific SLC1A4 antibodies for cell-surface-transporter localization observation and transporter-substrate complex detection.
  • Stable Cell Line Engineering: Construction of customized cell systems with tunable SLC1A4 expression levels.
  • Functional Assay Development: Custom design of detection workflows for observing substrate-partner and cell-membrane-molecule binding activity.

Frequently Asked Questions (FAQ)

  1. What is the primary function of SLC1A4?

    SLC1A4 might act as a multi-pass plasma-membrane solute carrier and participate in neutral amino-acid-substrate recognition to modulate ion-coupled metabolite translocation and cellular amino-acid homeostasis.

  2. Why is SLC1A4 a significant research target?

    SLC1A4 expression status could alter amino-acid-substrate translocation efficiency and local tissue metabolic balance, serving as a major regulatory mediator of amino-acid-dependent biological processes.

  3. Are Creative Biolabs' SLC1A4 products suitable for clinical use?

    No, SLC1A4-associated research reagents from Creative Biolabs are exclusively built for exploring SLC-transporter-dependent metabolite transport regulatory mechanisms, and shall not be deployed for any clinical-oriented workflows. These preparations are optimized for basic membrane-biology investigation and do not satisfy performance benchmarks required for clinical implementation.

  4. What types of SLC1A4 products does Creative Biolabs offer?

    Offerings include full-length SLC1A4 membrane protein, target-specific recombinant antibodies and tunable expression cell research models, supporting research on cellular amino-acid homeostasis and SLC-transporter-mediated substrate perception.

  5. How to observe the substrate-binding characteristics of SLC1A4 samples?

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

Reference
  1. Garaeva, Alisa A., et al. "A one-gate elevator mechanism for the human neutral amino acid transporter ASCT2." Nature communications 10.1 (2019): 3427. Under Open Access license CC BY 4.0, without modification. https://doi.org/10.1038/s41467-019-11363-x
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