CRK33 Antibody

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Description

Introduction to CRK33 and Associated Antibodies

CRK33 refers to a cysteine-rich receptor-like kinase (CRK) involved in plant stress responses and developmental regulation, particularly in Arabidopsis thaliana. While CRK33-specific antibodies are not commercially documented in available literature, research-grade antibodies targeting CRKs (e.g., Proteintech's Biotin-67035) are widely used to study homologous CRK proteins across species. This article synthesizes data on CRK-related antibodies and their implications for understanding CRK33 functionality.

Proteintech CRK Antibody (Biotin-67035)

This mouse-derived monoclonal antibody targets human/mouse/rat CRK proteins and serves as a proxy for studying CRK-related signaling pathways. Key specifications include:

ParameterDetail
Host SpeciesMouse (IgG1 isotype)
Tested ReactivityHuman, mouse, rat
ApplicationsELISA (1:250–1:1000 dilution)
Molecular Weight34 kDa (observed and calculated)
ImmunogenCRK fusion protein Ag28793
ConjugateBiotin
Storage Conditions-20°C in PBS with 50% glycerol, 0.05% Proclin300, and 0.5% BSA

Research Findings on CRK33 Functionality

Although direct studies on a "CRK33 antibody" are absent, CRISPR/Cas9-generated crk33 mutants in Arabidopsis reveal critical insights:

Key Phenotypic and Molecular Observations

  • Stomatal Regulation:

    • crk33 mutants exhibit reduced stomatal density (25–30% decrease) and lower transpiration rates, enhancing drought tolerance .

    • Upregulation of stomatal development genes (e.g., SPCH, TMM) suggests CRK33 modulates stomatal spacing .

  • Stress Responses:

    • CRK33 interacts with reactive oxygen species (ROS) signaling pathways, influencing stress adaptation .

    • Overexpression of related CRKs (e.g., CRK4, CRK36) primes ROS production, linking CRK33 to oxidative stress management .

Antibody Applications in CRK Research

While CRK33-specific antibodies remain unreported, broader CRK-targeting antibodies facilitate:

  • ELISA-based quantification of CRK expression levels in mammalian systems .

  • Cross-species studies to infer CRK33 functionality via homologous protein analysis .

Limitations and Future Directions

  • No validated antibody directly targets Arabidopsis CRK33; current insights rely on genetic mutants (e.g., T-DNA insertions) .

  • Commercial CRK antibodies (e.g., Biotin-67035) require validation for plant-specific applications due to sequence divergence between human and plant CRKs .

Product Specs

Buffer
Preservative: 0.03% Proclin 300
Composition: 50% Glycerol, 0.01M Phosphate Buffered Saline (PBS), pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
CRK33 antibody; At4g11490 antibody; F25E4.110Putative cysteine-rich receptor-like protein kinase 33 antibody; Cysteine-rich RLK33 antibody; EC 2.7.11.- antibody
Target Names
CRK33
Uniprot No.

Target Background

Database Links

KEGG: ath:AT4G11490

STRING: 3702.AT4G11490.1

UniGene: At.54277

Protein Families
Protein kinase superfamily, Ser/Thr protein kinase family, CRK subfamily
Subcellular Location
Membrane; Single-pass membrane protein.

Q&A

Experimental Design for Antibody Studies

  • Question: How should I design experiments to evaluate the specificity and efficacy of CRK33 Antibody in cell cultures or animal models?

  • Answer:

    • Specificity: Use Western blotting or immunofluorescence to confirm the antibody's specificity for CRK33 in cell lysates or tissues.

    • Efficacy: Employ cell viability assays (e.g., MTT, Annexin V) to assess the impact of CRK33 Antibody on cell growth or survival in relevant cell lines. For in vivo studies, use xenograft models to evaluate tumor growth inhibition.

Data Analysis and Contradiction Resolution

  • Question: What strategies can I use to resolve contradictory data from different experimental setups involving CRK33 Antibody?

  • Answer:

    • Reproducibility: Repeat experiments under identical conditions to confirm findings.

    • Methodological Comparison: Compare results from different techniques (e.g., Western blot vs. ELISA) to identify potential methodological biases.

    • Statistical Analysis: Use robust statistical methods to analyze data, considering factors like sample size and variability.

Advanced Research Questions

  • Question: How can I engineer CRK33 Antibody for enhanced therapeutic potential, such as improving its affinity or reducing immunogenicity?

  • Answer:

    • Affinity Maturation: Use techniques like phage display or yeast display to select for higher-affinity variants.

    • Humanization: Employ computational tools to predict and minimize potential immunogenic epitopes, thereby reducing the risk of an immune response against the antibody.

Methodological Considerations

  • Question: What are the key considerations for choosing an appropriate antibody format (e.g., monoclonal, polyclonal, bispecific) for CRK33 research?

  • Answer:

    • Monoclonal Antibodies: Ideal for high specificity and reproducibility, suitable for most research applications.

    • Polyclonal Antibodies: Useful when broad epitope recognition is desired, though specificity may vary.

    • Bispecific Antibodies: Consider for applications requiring simultaneous targeting of two antigens, such as redirecting immune cells to tumors.

Interpretation of Research Findings

  • Question: How should I interpret the results of CRK33 Antibody studies in the context of broader biological or disease mechanisms?

  • Answer:

    • Literature Review: Integrate findings with existing knowledge on CRK33's role in biological processes.

    • Mechanistic Insights: Use biochemical assays to elucidate how CRK33 influences signaling pathways or cellular functions.

    • Disease Relevance: Consider how CRK33's function impacts disease progression or treatment outcomes.

Collaboration and Resource Sharing

  • Question: What strategies can I use to facilitate collaboration and resource sharing among researchers working with CRK33 Antibody?

  • Answer:

    • Open Communication: Establish regular meetings or forums for sharing data and discussing challenges.

    • Standardized Protocols: Develop and share standardized protocols for antibody production and use to ensure consistency across studies.

    • Data Repositories: Utilize public databases or shared repositories to store and access relevant data and reagents.

Example Data Table: Experimental Design for CRK33 Antibody Studies

Experiment TypeMethodExpected Outcome
Specificity TestingWestern BlotConfirmation of CRK33 specificity
Efficacy AssessmentCell Viability AssayEvaluation of CRK33 Antibody's impact on cell growth
In Vivo StudiesXenograft ModelsAssessment of tumor growth inhibition

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