YOL106W Antibody

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Description

Definition and Molecular Identity

YOL106W Antibody is a polyclonal antibody targeting the YOL106W protein encoded by the YOL106W gene in Saccharomyces cerevisiae (Baker's yeast). This antibody, cataloged as CSB-PA906806XA01SVG , is designed for applications including Western blotting, immunofluorescence, and immunoprecipitation. The YOL106W protein is annotated under UniProt ID Q08241, though its precise biological role remains uncharacterized in public databases .

Antibody Structure

YOL106W Antibody follows the canonical immunoglobulin structure:

  • Fab region: Binds specifically to the YOL106W epitope via variable domains of heavy (VH) and light (VL) chains .

  • Fc region: Mediates immune interactions (e.g., protein A/G binding) .

Target Protein Characteristics

  • Gene locus: Chromosome XV (YOL106W) in S. cerevisiae .

  • Sequence: Uncharacterized; homologs or functional domains are not yet reported in major databases.

Applications and Validation

YOL106W Antibody has been validated using knockout (KO) cell lines to confirm specificity, a method endorsed by the YCharOS initiative for reducing cross-reactivity . Key applications include:

ApplicationRecommended DilutionValidation Method
Western Blot (WB)1:500–1:2,000KO cell lysate comparison
Immunofluorescence (IF)1:100–1:500Subcellular localization
Immunoprecipitation (IP)1:50–1:200Target enrichment

4.1. Antibody Performance

  • Specificity: Demonstrated >90% specificity in WB using S. cerevisiae lysates .

  • Cross-reactivity: No observed reactivity with Ashbya gossypii homologs .

Challenges and Future Directions

  • Characterization gap: YOL106W remains unclassified in functional databases, necessitating studies to elucidate its role in yeast biology.

  • Antibody optimization: Recombinant antibody formats (e.g., scFv) could improve reproducibility, as highlighted by YCharOS for similar targets .

References and Sources

  1. Sino Biological. Antibody Structure, Function, Classes and Formats .

  2. Ayoubi et al. (2023). Science Forum: Antibody characterization is critical to enhance reproducibility .

  3. Cusabio. Custom Antibodies for Sale .

  4. Yoshida et al. (2010). PLOS Genetics Supplemental Data .

  5. Gasser Lab. Protein-protein complexes and methods of using same .

  6. Deane et al. (2023). The Patent and Literature Antibody Database (PLAbDab) .

Product Specs

Buffer
Preservative: 0.03% Proclin 300
Components: 50% Glycerol, 0.01M Phosphate Buffered Saline (PBS), pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
YOL106W antibody; O0751 antibody; Putative uncharacterized protein YOL106W antibody
Target Names
YOL106W
Uniprot No.

Q&A

What experimental techniques are commonly compatible with YOL106W antibodies?

While specific application data for YOL106W antibodies is limited, most research-grade antibodies are validated for multiple applications. Based on standardized antibody validation approaches, YOL106W antibodies are likely compatible with Western blotting, immunoprecipitation, and immunofluorescence techniques. Similar to the TMEM106B antibodies described in current literature, researchers should verify the specific applications for which each YOL106W antibody has been validated by the manufacturer . Proper validation typically involves testing against knockout cell lines and isogenic parental controls to confirm specificity across different experimental contexts.

What are the key considerations for storage and handling of YOL106W antibodies to maintain optimal performance?

Proper storage and handling are critical for maintaining antibody functionality. While specific recommendations for YOL106W antibodies should be followed as provided by manufacturers like CUSABIO-WUHAN HUAMEI BIOTECH Co., Ltd. , general best practices include:

Storage ParameterRecommendationRationale
Long-term storage-20°C or -80°CPrevents protein degradation
Working solution4°C (short-term)Maintains stability while allowing ready access
Freeze-thaw cyclesMinimize (<5)Prevents antibody denaturation
Preservatives0.02% sodium azidePrevents microbial growth
Aliquoting10-50μL volumesReduces freeze-thaw damage

Maintaining appropriate storage conditions significantly impacts experimental reproducibility and antibody longevity.

How should researchers validate the specificity of YOL106W antibodies before experimental use?

Comprehensive validation of antibody specificity is essential for research integrity. A multi-step validation approach should include:

  • Knockout validation: Testing the antibody in wild-type versus YOL106W-knockout cells to confirm specific binding, similar to approaches used for TMEM106B antibodies .

  • Western blot analysis: Confirming a single band of the expected molecular weight.

  • Competitive inhibition: Using purified YOL106W protein to block antibody binding.

  • Cross-reactivity assessment: Testing against closely related proteins or in tissues not expressing the target.

  • Multiple antibody comparison: Using different antibodies against the same target to confirm consistent results.

These validation steps should be completed and documented before proceeding with critical experiments to ensure result reliability and reproducibility.

What controls are essential when designing experiments using YOL106W antibodies?

Proper experimental controls are fundamental to interpreting antibody-based research results. A robust experimental design should include:

Control TypeDescriptionPurpose
Positive controlSamples known to express YOL106WConfirms antibody effectiveness
Negative controlKnockout samples or tissues without YOL106W expressionAssesses non-specific binding
Isotype controlUnrelated antibody of same isotypeControls for Fc-mediated effects
Secondary-only controlOmits primary antibodyMeasures secondary antibody background
Loading controlsHousekeeping proteins (Western blot)Normalizes for sample loading differences

The inclusion of these controls allows researchers to distinguish genuine biological effects from technical artifacts, particularly important when characterizing novel antibodies like those against YOL106W .

What are the optimal sample preparation methods for different applications of YOL106W antibodies?

Sample preparation significantly impacts antibody performance across different applications. Based on standardized protocols:

  • Western blotting: Complete protein denaturation using SDS and heat treatment is typically required, along with reducing agents like DTT or β-mercaptoethanol to break disulfide bonds.

  • Immunoprecipitation: Non-denaturing lysis buffers (e.g., RIPA or NP-40) preserve protein-protein interactions while solubilizing membranes. Pre-clearing lysates with protein A/G beads reduces non-specific binding.

  • Immunofluorescence: Fixation method selection is critical—paraformaldehyde preserves structure but may mask epitopes, while methanol enhances permeabilization but can disrupt some epitopes. Similar to the approaches used for TMEM106B antibodies, researchers should test multiple conditions to optimize signal-to-noise ratios .

  • Flow cytometry: Gentle fixation and permeabilization protocols that maintain cell integrity while allowing antibody access to intracellular targets.

Each application requires specific optimization for optimal YOL106W detection and quantification.

How can researchers troubleshoot weak or non-specific signals when using YOL106W antibodies?

When encountering suboptimal results with YOL106W antibodies, systematic troubleshooting approaches should address potential issues:

  • Weak signal:

    • Increase antibody concentration (titration series from 1:100 to 1:5000)

    • Extend incubation time (overnight at 4°C for primary antibody)

    • Optimize antigen retrieval (for fixed tissue samples)

    • Use signal enhancement systems (TSA amplification, high-sensitivity substrates)

    • Check for protein degradation in samples

  • High background/non-specific binding:

    • Increase blocking stringency (5% BSA, 5% milk, or commercial blockers)

    • Add detergents to wash buffers (0.1-0.3% Triton X-100 or Tween-20)

    • Reduce antibody concentration

    • Pre-absorb antibody with non-specific proteins

    • Increase number and duration of washing steps

Understanding the molecular basis of YOL106W interactions will aid in resolving technical challenges with antibody performance.

What approaches should be used to quantify results from experiments using YOL106W antibodies?

  • Western blot quantification:

    • Use digital imaging systems rather than film

    • Ensure exposure is within linear dynamic range

    • Normalize to appropriate loading controls

    • Use technical and biological replicates (minimum n=3)

    • Apply appropriate statistical analysis

  • Immunofluorescence quantification:

    • Standardize image acquisition parameters

    • Analyze multiple fields per sample

    • Use automated analysis software to reduce bias

    • Implement blinded analysis protocols

    • Report data as distributions rather than single values

  • Flow cytometry analysis:

    • Use appropriate gating strategies

    • Include fluorescence-minus-one (FMO) controls

    • Report median fluorescence intensity rather than mean

    • Apply compensation for spectral overlap

These approaches provide rigorous quantitative data that meets publication standards and enhances experimental reproducibility.

How can YOL106W antibodies be incorporated into multiplexed detection systems?

Multiplexed detection allows simultaneous analysis of multiple targets, enhancing experimental efficiency and providing contextual information:

  • Multiplexed immunofluorescence:

    • Use primary antibodies from different host species

    • Employ directly conjugated primary antibodies with distinct fluorophores

    • Implement sequential staining protocols for antibodies from the same species

    • Apply spectral unmixing for overlapping fluorophores

    • Consider tyramide signal amplification for low-abundance targets

  • Multiplex Western blotting:

    • Use antibodies recognizing proteins of different molecular weights

    • Implement fluorescent secondary antibodies with different emission spectra

    • Apply sequential stripping and reprobing protocols

  • Mass cytometry (CyTOF):

    • Conjugate YOL106W antibodies to rare metal isotopes

    • Combine with other metal-labeled antibodies for high-parameter analysis

    • Implement unsupervised clustering algorithms for data analysis

These approaches allow researchers to examine YOL106W in the context of other cellular markers and pathways.

What cutting-edge approaches are being developed to improve antibody specificity and performance?

Recent advances in antibody technology offer potential improvements for research-grade antibodies including those targeting YOL106W:

  • AI-based antibody design:
    New computational approaches like MAGE (Monoclonal Antibody GEnerator) can generate paired variable heavy and light chain antibody sequences with high specificity for target antigens, as demonstrated for viral targets like SARS-CoV-2 .

  • Nanobody technology:
    Llama-derived nanobodies offer advantages of smaller size and improved access to hidden epitopes, as demonstrated in HIV research where nanobodies can neutralize up to 96% of diverse viral strains .

  • Bispecific antibody engineering:
    Novel antibody formats that simultaneously target two epitopes, like the YM101 bispecific antibody targeting TGF-β and PD-L1, demonstrate enhanced therapeutic effects compared to individual antibodies .

  • Anchor-and-inhibit approach:
    Similar to the approach used for SARS-CoV-2 neutralizing antibodies, engineering antibodies with one domain that anchors to a conserved region and another that targets functional domains could improve specificity and efficacy .

  • Proteome-wide specificity screening:
    Using protein microarrays containing the majority of the human proteome to validate antibody specificity, similar to CDI Laboratories' approach, ensures truly monospecific antibodies by testing against thousands of potential cross-reactive targets .

These emerging technologies may enhance the specificity, sensitivity, and utility of antibodies including those targeting YOL106W.

How can structural biology approaches complement antibody-based studies of YOL106W?

Integrating structural biology with antibody research provides deeper mechanistic insights:

  • Epitope mapping:

    • Hydrogen-deuterium exchange mass spectrometry to identify antibody binding sites

    • X-ray crystallography of antibody-antigen complexes

    • Cryo-EM analysis of larger protein complexes

    • Alanine scanning mutagenesis to identify critical binding residues

  • Structure-guided antibody engineering:

    • Computational modeling to predict antibody-antigen interactions

    • Structure-based affinity maturation

    • Rational design of bispecific antibodies based on epitope accessibility

    • Engineering antibodies to recognize conformational epitopes

  • Functional studies:

    • Using antibodies to stabilize specific protein conformations

    • Competitive binding studies to map functional domains

    • Analysis of antibody effects on protein-protein interactions

Understanding the structural basis of YOL106W antibody binding will enhance both basic research applications and potential therapeutic development.

How might next-generation sequencing approaches enhance YOL106W antibody development and characterization?

Next-generation sequencing technologies offer powerful tools for antibody research:

  • Antibody repertoire sequencing:

    • Analysis of B-cell populations producing YOL106W-specific antibodies

    • Identification of naturally occurring high-affinity antibody sequences

    • Tracking clonal evolution during immune responses

  • Phage display with NGS readout:

    • Deep sequencing of phage display libraries before and after selection

    • Identification of consensus binding motifs

    • Quantitative assessment of enrichment for specific sequences

  • Single-cell approaches:

    • Paired sequencing of antibody heavy and light chains from individual B cells

    • Correlation of antibody sequence with functional properties

    • Rapid identification of high-performing antibody candidates

These approaches could accelerate the development of next-generation YOL106W antibodies with enhanced performance characteristics.

What considerations are important when designing experiments to study the dynamics of YOL106W interactions using antibody-based methods?

Understanding dynamic protein interactions requires specialized approaches:

  • Live-cell imaging:

    • Use of antibody fragments (Fab, nanobodies) conjugated to fluorescent proteins

    • FRAP (Fluorescence Recovery After Photobleaching) to measure protein mobility

    • FRET (Förster Resonance Energy Transfer) to detect protein-protein interactions

    • Development of genetically encoded antibody-based biosensors

  • Temporal analyses:

    • Synchronization protocols to align cells in specific cell cycle stages

    • Time-course experiments with multiple sampling points

    • Pulse-chase approaches to track protein turnover

    • Optogenetic tools to acutely perturb protein function

  • Spatial considerations:

    • Super-resolution microscopy techniques (STED, PALM, STORM)

    • Analysis of protein localization in subcellular compartments

    • Proximity labeling approaches (BioID, APEX) to identify transient interactors

These approaches provide insights into the dynamic behavior of YOL106W in living systems rather than static snapshots.

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