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PRPH2

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

Background

Peripherin 2 (PRPH2) is a photoreceptor-specific tetraspanin membrane protein encoded by the PRPH2 gene, enriched at outer-segment disk rims. The polypeptide contains four transmembrane helices, two intradiscal loops (D1 and D2), and cytoplasmic N- and C-terminal regions. The large D2 loop contributes to intermolecular assembly, allowing PRPH2 to form homomeric complexes and heteromeric complexes with ROM1. These assemblies support disk rim morphogenesis, curvature, and structural stability within photoreceptor outer segments. Disordered PRPH2 complex assembly can disrupt outer-segment membrane organization and light-sensing architecture.

Sequence variants within PRPH2 coding regions might alter oligomeric complex assembly and destabilize photoreceptor membrane architecture. PRPH2 fully integrates within disk lipid bilayers as a four-pass tetraspanin, with intradiscal loops and cytoplasmic termini. Its membrane topology and assembly with PRPH2 or ROM1 partners support disk rim formation and structural stability. Reduced functional PRPH2 tends to disorder outer-segment architecture, making this membrane protein a suitable visual cell research target.

Fig. 1 Schematic topology diagram of human PRPH2 membrane protein, showing transmembrane segments and intradiscal extracellular loops for recombinant protein product. (OA Literature)Fig. 1 Gene arrangement and membrane topology diagram of human PRPH2 protein. Panel B illustrates PRPH2 tetraspan transmembrane architecture with four transmembrane helices, two intradiscal extracellular loops ID1 and ID2, as well as cytoplasmic terminal segments.1

PRPH2 Protein Function: Core Roles in Tetraspanin Complex Assembly and Disk Rim Stability

The biological functions of integral membrane PRPH2 structural protein are focused on D2-loop-mediated oligomeric assembly and photoreceptor outer-segment disk organization:

  • Oligomeric Complex Assembly: May form PRPH2 homomeric complexes and heteromeric complexes with ROM1 through determinants in the intradiscal D2 loop.
  • Visual Membrane Tuning: Contributes to disk rim morphogenesis and outer-segment architecture needed for orderly photoreceptor membrane organization.
  • Disk Rim Architecture Mediator: Its four-pass tetraspanin structure and intradiscal loop interactions support disk-edge curvature and stability; assembly states can be examined using biochemical and structural workflows.
  • Photoreceptor Homeostasis Modulation: Supports maintenance of outer-segment disk morphology and organization.
  • Research Model Relevance: Sequence variants of PRPH2 might alter tetraspanin complex assembly or disk rim stability in laboratory analysis systems.

PRPH2 Protein Product

Creative Biolabs offers purified PRPH2 membrane protein samples produced under unified preparation workflows, including full-length PRPH2 constructs and isolated intradiscal D2-loop variants. Truncated fragments cannot support complete four-pass membrane topology or oligomeric assembly, while full-length constructs fit retinal structural protein research. All batches receive uniform quality screening. Functional assessments may only be performed under simulated lipid bilayer microenvironment setups. Intradiscal D2-loop and four-transmembrane structural features are preserved across batches for comparative complex-assembly testing. Full-length PRPH2 membrane samples retain intact contact residues post-purification, supporting reliable detection of transient PRPH2 or PRPH2-ROM1 oligomeric complexes in comparative analysis.

PRPH2 Membrane Protein Product

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

PRPH2 Stable Cell Line Product

Creative Biolabs provides cell research models with adjustable PRPH2 expression levels, suitable for structural observation of photoreceptor membrane structural proteins and disk assembly research. Sample assessment covers sustained membrane detection and preliminary oligomeric-complex analysis, enabling side-by-side comparison of membrane organization under varying PRPH2 abundances. These cell models can be paired with membrane morphology observation schemes to track disk architecture shifts linked to PRPH2 dosage changes.

PRPH2 Stable Cell Line Product

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

PRPH2 Recombinant Antibody Product

Anti-PRPH2 recombinant antibodies are generated via standardized protein preparation workflows, compatible with photoreceptor membrane localization mapping and PRPH2-associated oligomeric-complex identification. The antibody series supports multi-dimensional visualization of PRPH2 distribution within retinal sensory cell samples.

PRPH2 Recombinant Antibody Product

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

Product Features

  • Tetraspanin Structural Traits: Retains native four-transmembrane architecture and intradiscal D2-loop features, suitable for laboratory observation of PRPH2 complex assembly.
  • Target Selective Recognition: May bind unique intradiscal loop regions unique to PRPH2, applicable to mechanistic retinal structural protein research.
  • Visual Cell Research Compatibility: Designed for standard laboratory analysis of photoreceptor membrane assembly pathways.
  • Full Customization Support: Customized PRPH2 membrane protein, antibody and cell model development can be arranged to meet retinal structural research demands.

Custom PRPH2 Research Services

Beyond catalog products, Creative Biolabs offers specialized custom services for PRPH2 research:

  • Custom PRPH2 Membrane Protein Production: Tailored mutant and fluorescent-tagged PRPH2 constructs for tetraspanin complex-assembly analysis.
  • Custom Antibody Development: Generation of target-specific PRPH2 antibodies for photoreceptor membrane localization observation and PRPH2-associated complex detection.
  • Stable Cell Line Engineering: Construction of customized cell systems with tunable structural protein expression levels.
  • Functional Assay Development: Custom detection workflows for measuring PRPH2 oligomeric-complex assembly.

Frequently Asked Questions (FAQ)

  1. What is the primary function of PRPH2?

    PRPH2 is a photoreceptor-specific four-pass tetraspanin that forms PRPH2 and PRPH2-ROM1 complexes and supports outer-segment disk rim morphogenesis and stability.

  2. Why is PRPH2 a significant research target?

    PRPH2 expression status might alter light-sensing membrane organization, serving as a key mediator of retinal cell homeostasis biological processes.

  3. Are Creative Biolabs' PRPH2 products suitable for clinical use?

    No, all PRPH2 related products and services are strictly for research use only, and cannot be applied in clinical workflows. All material design and functional screening are optimized exclusively for basic laboratory research, without meeting clinical application criteria.

  4. What types of PRPH2 products does Creative Biolabs offer?

    Offerings include full-length PRPH2 membrane protein, target-specific recombinant antibodies and tunable expression cell research models, supporting research on photoreceptor disk rim organization.

  5. How to assess oligomeric complex assembly of PRPH2 samples?

    Laboratory analysis schemes may include PRPH2 self-association or ROM1 co-binding assays to assess complex formation under membrane-mimetic conditions.

Reference
  1. Cascella, Raffaella, et al. "Expanding Genetic and Clinical Spectra of Inherited Retinal Dystrophies: Identification of Three Novel PRPH2 Variants." Biomedicines 13.7 (2025): 1531. Under Open Access license CC BY 4.0, without modification. https://doi.org/10.3390/biomedicines13071531
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