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CD151

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

Background

CD151 molecule (Raph blood group) (CD151) is a four pass transmembrane tetraspanin protein encoded by CD151 gene. This protein localizes to plasma membrane across multiple cell populations. CD151 contains four transmembrane helices, one large extracellular loop, one small extracellular loop plus short cytoplasmic N terminal and C terminal segments. Transmembrane helices assemble inside lipid bilayer, while loop regions are exposed toward extracellular space and short termini reside in cytoplasm. Newly synthesized CD151 folds within endoplasmic reticulum compartments. Conserved cysteine residues inside large extracellular loop support disulfide bond formation required for correct extracellular domain conformation. CD151 can assemble with other membrane partner proteins during secretory trafficking before reaching cell surface. Many cell types express CD151 at detectable levels. Misfolded polypeptide fails to complete secretory transport and gets eliminated by intracellular quality control systems. Protein abundance varies among cell types according to requirement for plasma membrane multi protein complex assembly.

CD151 acts as a membrane embedded scaffold that organizes multi molecular assemblies at plasma membrane. Its transmembrane regions mediate physical association with diverse transmembrane partner proteins including integrin subunits. These intermolecular contacts drive formation of tetraspanin enriched membrane microdomains. Short cytoplasmic termini provide docking surfaces for cytosolic effector molecules. CD151 does not possess intrinsic catalytic or ligand binding activity. Other tetraspanin family members share four pass transmembrane topology but cannot fully reproduce the specific partner interaction profile of CD151. Variation in CD151 abundance changes capacity to assemble these specialized membrane microdomains and alters availability of co assembled partner complexes at cell surface. Mutation within extracellular loop can disturb binding toward surface exposed partner domains. Alteration of transmembrane helices disrupts packing and complex formation with other membrane resident proteins, while changes to cytoplasmic terminal segments impair recruitment of cytosolic binding partners.

Fig. 1 Topology schematic of tetraspanin family membrane protein, reference illustration for CD151 membrane protein research reagents. (OA Literature)Fig. 1 Conserved topology of tetraspanin family protein. Four transmembrane helices separate short cytoplasmic termini, small extracellular loop ECL1 and disulfide‑bonded large extracellular loop ECL2.1

CD151 Protein Function: Core Roles in Tetraspanin Microdomain Assembly, Transmembrane Partner Recruitment and Cytosolic Effector Docking

The biological functions of CD151 are focused on tetraspanin enriched membrane microdomain assembly, transmembrane partner protein recruitment and cytoplasmic effector molecule docking:

  • Membrane Scaffold Activity: Four pass transmembrane topology supports physical packing and co assembly with diverse transmembrane partner proteins within plasma membrane lipid bilayer.
  • Microdomain Organization: May drive formation of tetraspanin enriched membrane microdomains that concentrate multiple partner protein species in defined surface subregions.
  • Transmembrane interaction partner recruitment: it can form intermolecular interaction with target membrane proteins such as integrin subunits and stabilize the assembly of multi-protein complexes.
  • Cytoplasmic effector molecule anchoring: short cytoplasmic terminal fragments are used as the interface to recruit cytoplasmic effector molecules inside the plasma membrane.
  • Research Model Relevance: Structural modification of CD151 may disturb microdomain formation or partner protein interaction behaviours within laboratory research systems.

CD151 Membrane Protein Product

Creative Biolabs offers purified CD151 membrane samples via standardized preparation workflows, including full length CD151 constructs and isolated extracellular loop variants. Isolated extracellular loop fragments may not support complete transmembrane partner co assembly and microdomain formation related behaviours, while full length constructs may be suited for tetraspanin membrane scaffold associated research. All samples receive routine quality screening, and functional relevant observation may only be carried out with full length samples under simulated membrane environments. All sample batches follow unified processing standards to maintain consistent structural features for comparative laboratory analysis across separate test groups.

CD151 Membrane Protein Product

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

CD151 Stable Cell Line Product

Creative Biolabs provides adjustable CD151 expression cell models with varied expression levels, applicable to four pass tetraspanin membrane protein structural characteristic observation and tetraspanin microdomain organization related research. Sample evaluation includes sustained target expression detection and preliminary intermolecular interaction associated observation, which can support comparative analysis of scaffold associated behaviours under different expression statuses. These cell systems can be matched with diverse laboratory analysis schemes to observe changes of membrane complex assembly efficiency under different target expression abundances.

CD151 Stable Cell Line Product

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

CD151 Recombinant Antibody Product

Antibody reagents targeting CD151 are generated via mature protein preparation workflows, compatible with multiple routine laboratory detection methods for cellular localization profiling and molecular complex identification, to support systematic analysis of CD151 distribution and tetraspanin associated molecular complexes across diverse laboratory research setups. The antibody series can cooperate with other common laboratory detection reagents to complete multi dimensional observation of target distribution inside tissue samples.

CD151 Recombinant Antibody Product

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

Product Features

  • Tetraspanin Core Topology Retention Property: Retains native like four pass transmembrane architecture plus disulfide stabilized large extracellular loop characteristics, suited for laboratory observation of tetraspanin mediated multi protein membrane complex behaviours.
  • Target Specific Recognition: May selectively combine with unique structural regions of CD151, suited for research focused on tetraspanin family membrane scaffold related mechanisms.
  • Membrane Microdomain Research Adaptability: Designed for routine laboratory analysis of tetraspanin enriched plasma membrane microdomain pathways.
  • Full Customization Support: Tailored CD151 membrane protein, antibody and cell model development can be arranged to match diversified tetraspanin focused research demands.

Custom CD151 Research Services

Beyond catalog products, Creative Biolabs offers specialized custom services for CD151 research:

  • Custom CD151 Protein Production: Tailored mutant and tagged CD151 constructs for tetraspanin partner protein interaction analysis.
  • Custom Antibody Development: Generation of CD151 antibodies for tissue distribution observation and tetraspanin membrane complex detection.
  • Stable Cell Line Engineering: Construction of customized cell systems with adjustable CD151 expression levels.
  • Functional Assay Development: Custom design of detection workflows for tetraspanin mediated membrane microdomain assembly observation.

Frequently Asked Questions (FAQ)

  1. What is the primary function of CD151?

    CD151 may function as tetraspanin membrane scaffold protein and participate in tetraspanin enriched microdomain assembly plus transmembrane partner protein recruitment.

  2. Why is CD151 a significant research target?

    CD151 expression status may influence plasma membrane multi protein complex organization, serving as a major regulatory mediator of tetraspanin associated biological processes.

  3. Are Creative Biolabs' CD151 products suitable for clinical use?

    No, all CD151 related products and services are strictly for research use only, not intended for clinical related operations. All material designs and functional tests are only optimized for basic laboratory research scenarios, without matching clinical application standards.

  4. What types of CD151 products does Creative Biolabs offer?

    Offerings include full length CD151 membrane protein, target specific recombinant antibodies and adjustable expression cell research models, supporting tetraspanin membrane complex and cell interaction research.

  5. How to observe the interaction characteristics of CD151 samples in laboratory research?

    Laboratory observation schemes may include tetraspanin partner protein interaction related tests to analyse scaffold associated behaviours under simulated cellular environments.

Reference
  1. Shao, Shijie, et al. "The role of Tetraspanins in digestive system tumor development: update and emerging evidence." Frontiers in Cell and Developmental Biology 12 (2024): 1343894. Under Open Access license CC BY 4.0, without modification. https://doi.org/10.3389/fcell.2024.1343894
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