YLR464W Antibody

What is YLR464W protein and why is it studied in yeast models?

YLR464W is a protein found in Saccharomyces cerevisiae (strain ATCC 204508 / S288c), commonly known as Baker's yeast. While detailed functional information about this specific protein is limited in the available literature, YLR464W represents an important research target for scientists studying fundamental yeast cellular processes. The antibody against this protein (Product Code: CSB-PA316938XA01SVG) enables researchers to detect and quantify YLR464W in experimental settings .

The antibody is raised against recombinant YLR464W protein in rabbits, making it a polyclonal IgG antibody that recognizes multiple epitopes of the target protein. This characteristic makes it particularly useful for detection applications where signal amplification is beneficial .

What are the validated applications for YLR464W Antibody?

The YLR464W antibody has been validated for specific research applications, primarily:

• ELISA (Enzyme-Linked Immunosorbent Assay): Useful for quantitative detection of YLR464W in solution

• Western Blot (WB): Enables detection of denatured YLR464W protein from cell or tissue lysates

These applications have been verified to ensure identification of the target antigen with high specificity . When designing experiments with this antibody, researchers should consider these validated applications as primary methodologies, though optimization for specific experimental conditions may be necessary.

What are the optimal storage and handling conditions for maintaining antibody activity?

To maintain optimal activity of the YLR464W antibody, researchers should follow these evidence-based storage and handling guidelines:

Proper storage is critical as repeated freeze-thaw cycles can lead to protein denaturation and loss of antibody functionality. The inclusion of 50% glycerol in the storage buffer helps prevent freezing damage at -20°C .

How should researchers design control experiments when using YLR464W Antibody?

When designing experiments with YLR464W antibody, implementing appropriate controls is essential for result validation. Consider these methodological approaches:

• Positive Control: Include samples known to express YLR464W protein (specifically from Saccharomyces cerevisiae strain ATCC 204508 / S288c)

• Negative Control:

  • YLR464W knockout yeast strains (if available)

  • Non-Saccharomyces cerevisiae yeast species (to test species specificity)

• Antibody Controls:

  • Primary antibody omission control

  • Isotype control (rabbit IgG at the same concentration)

• Blocking Peptide Control: Pre-incubation of the antibody with excess target antigen to demonstrate binding specificity

These controls help distinguish between specific and non-specific signals, particularly important given the polyclonal nature of this antibody. For Western blot applications, molecular weight markers should be included to confirm target protein identification .

What optimization strategies should be employed for Western blot applications?

For optimal Western blot results with YLR464W antibody, consider these methodological recommendations:

• Sample Preparation:

  • Use fresh yeast cultures in exponential growth phase

  • Employ specialized yeast lysis buffers containing protease inhibitors

  • Consider methods to disrupt yeast cell walls effectively (glass bead disruption, enzymatic treatment)

• Blocking and Antibody Dilution:

  • Begin with 1:500 to 1:2000 dilution range for primary antibody

  • Test different blocking agents (5% non-fat milk, 3-5% BSA)

  • Optimize incubation time and temperature (typically 1-2 hours at room temperature or overnight at 4°C)

• Detection System:

  • Select secondary antibody conjugates based on desired sensitivity (HRP, fluorescent)

  • Consider signal amplification methods for low abundance proteins

Since this antibody is polyclonal and affinity-purified, it may recognize multiple epitopes of the target protein, potentially resulting in additional bands beyond the expected molecular weight of YLR464W .

How can YLR464W Antibody be incorporated into yeast interactome studies?

For researchers investigating protein-protein interactions involving YLR464W, the antibody can be utilized in several advanced applications:

• Co-Immunoprecipitation (Co-IP):

  • Use YLR464W antibody to pull down the target protein and associated binding partners

  • Analyze precipitated complexes via mass spectrometry for unbiased interaction discovery

  • Confirm interactions with Western blotting for specific candidate proteins

• Proximity Ligation Assays:

  • Detect in situ protein interactions with spatial resolution

  • Combine YLR464W antibody with antibodies against putative interaction partners

• ChIP Analysis (if YLR464W has DNA-binding properties):

  • Use the antibody to immunoprecipitate protein-DNA complexes

  • Determine DNA binding sites through sequencing or PCR-based approaches

These approaches enable researchers to place YLR464W within functional protein networks and signaling pathways, providing context for its cellular role .

What considerations are important when selecting between polyclonal YLR464W antibody and potential monoclonal alternatives?

The choice between polyclonal antibodies (like the current YLR464W antibody) and monoclonal antibodies involves several methodological considerations:

What are common technical challenges when working with yeast antibodies like YLR464W and how can they be addressed?

Researchers working with yeast antibodies frequently encounter specific technical challenges:

• Cell Wall Interference:

  • Problem: Yeast cell walls can hinder antibody penetration in immunofluorescence applications

  • Solution: Optimize cell wall digestion with zymolyase or lyticase; consider spheroplast preparation

• High Background in Western Blots:

  • Problem: Non-specific binding to yeast proteins

  • Solution: Increase blocking agent concentration (5-10% milk or BSA); pre-absorb antibody with yeast lysate from negative control strain

• Protein Extraction Efficiency:

  • Problem: Incomplete extraction of membrane or organelle-associated proteins

  • Solution: Test different lysis methods (mechanical disruption, detergent-based lysis); optimize buffer composition

• Cross-Reactivity Concerns:

  • Problem: Potential recognition of related yeast proteins

  • Solution: Include appropriate negative controls; confirm specificity with gene knockout strains

These methodological approaches can significantly improve experimental outcomes when working with YLR464W antibody in challenging yeast systems .

How should researchers approach data validation when antibody performance varies between experiments?

When facing variability in YLR464W antibody performance, implement this systematic validation approach:

• Standardize Protein Loading:

  • Carefully quantify protein concentration before analysis

  • Use multiple housekeeping protein controls appropriate for yeast (e.g., actin, GAPDH)

• Antibody Titration Series:

  • Test multiple antibody dilutions to determine optimal concentration

  • Create standard curves for quantitative applications

• Alternative Detection Methods:

  • Confirm protein identification using orthogonal techniques (mass spectrometry)

  • Consider genetic approaches (epitope tagging of endogenous YLR464W)

• Batch Testing Protocol:

  • Test each new antibody lot against a reference sample

  • Document lot-specific optimal conditions

By implementing these validation measures, researchers can distinguish between technical variability and true biological effects in their YLR464W research .

What strategies maximize the long-term stability and performance of YLR464W Antibody?

To maximize antibody longevity beyond standard storage recommendations, consider these evidence-based approaches:

• Strategic Aliquoting:

  • Divide antibody into single-use aliquots immediately upon receipt

  • Use siliconized tubes to prevent protein adherence to tube walls

  • Calculate aliquot volumes based on typical experiment needs

• Stabilizing Additives:

  • The current formulation (50% glycerol, 0.03% Proclin 300, PBS pH 7.4) is optimized for stability

  • Avoid adding additional preservatives that might interfere with antibody function

• Temperature Management:

  • Store at -80°C for longest shelf life

  • For working aliquots at -20°C, use freezers without auto-defrost cycles

  • Transport on ice when moving between storage and experimental areas

• Quality Monitoring Program:

  • Establish a reference sample for periodic testing of antibody performance

  • Document signal intensity and specificity changes over time

  • Consider protein array methods for comprehensive epitope recognition monitoring

Implementation of these practices can extend the functional lifespan of the YLR464W antibody beyond the standard warranty period, maximizing research investment and ensuring consistency in long-term studies .

How can quantitative analysis be performed with YLR464W Antibody in comparative studies?

For researchers conducting comparative analyses of YLR464W expression, consider these quantitative methodological approaches:

• Quantitative Western Blotting:

  • Implement standard curve using recombinant YLR464W protein

  • Use fluorescent secondary antibodies for wider linear detection range

  • Employ image analysis software with background subtraction capabilities

• Competitive ELISA Development:

  • Design assay using purified YLR464W protein as competitor

  • Create standard curves with defined concentrations

  • Optimize antibody concentration for maximum sensitivity

• Normalization Strategies:

  • Select appropriate housekeeping proteins for yeast studies

  • Consider global protein staining methods (Ponceau S, SYPRO Ruby) as loading controls

  • Apply statistical methods appropriate for ratio data

• Technical Replication Requirements:

  • Minimum of three biological replicates recommended

  • Technical duplicates or triplicates within each biological replicate

  • Calculate coefficients of variation to assess reproducibility

These quantitative approaches enable statistically robust comparisons of YLR464W expression between experimental conditions, strains, or time points .