YOR394C-A Antibody

What is the YOR394C-A protein in Saccharomyces cerevisiae?

YOR394C-A (UniProt ID: Q8TGJ0) is a protein found in Saccharomyces cerevisiae strain ATCC 204508/S288c (Baker's yeast) . This protein has been the target of antibody development for research applications in yeast biology. While detailed functional characterization information is limited in current literature, studying this protein may contribute to understanding fundamental cellular processes in this important model organism.

What are the validated applications for YOR394C-A Antibody?

Based on product specifications, YOR394C-A Antibody has been validated for enzyme-linked immunosorbent assay (ELISA) and Western Blot (WB) applications . These techniques allow researchers to detect and quantify the YOR394C-A protein in experimental samples. The antibody is specifically reactive to Saccharomyces cerevisiae (strain ATCC 204508/S288c) .

What are the key specifications of commercially available YOR394C-A Antibody?

The commercially available YOR394C-A Antibody has the following specifications:

• Type: Polyclonal antibody raised in rabbit

• Reactivity: Specific to Saccharomyces cerevisiae (strain ATCC 204508/S288c)

• Immunogen: Recombinant Saccharomyces cerevisiae YOR394C-A protein

• Purification method: Antigen affinity purified

• Storage buffer: 50% Glycerol, 0.01M PBS (pH 7.4), 0.03% Proclin 300

• Storage conditions: -20°C or -80°C, avoiding repeated freeze-thaw cycles

How should YOR394C-A Antibody be validated before experimental use?

Before using YOR394C-A Antibody in critical experiments, researchers should perform comprehensive validation studies similar to those employed in antibody research for other targets :

• Positive and negative control testing:

  • Wild-type yeast samples (positive control)

  • YOR394C-A knockout strains (negative control)

  • Non-target yeast species (specificity control)

• Titration experiments to determine optimal concentration:

  Dilution	Signal-to-noise ratio	Background	Recommendation
  1:100	Highest	Moderate	For low abundance detection
  1:500	Good	Low	General purpose
  1:1000	Moderate	Minimal	Standard starting dilution
  1:5000	Low	Minimal	High abundance targets

• Specificity verification using techniques like mass spectrometry to confirm target identity, similar to approaches used in immunoprecipitation studies of other proteins .

What are the optimal conditions for using YOR394C-A Antibody in Western blotting?

For optimal Western blot results with YOR394C-A Antibody, consider the following protocol adapted from general antibody research practices:

• Sample preparation:

  • Extract total protein from Saccharomyces cerevisiae using standard yeast lysis methods

  • Include protease inhibitors to prevent degradation

  • Quantify protein concentration (Bradford or BCA assay)

• Electrophoresis and transfer:

  • Load 20-50 μg of total protein per lane

  • Use appropriate percentage SDS-PAGE gels based on the expected molecular weight

  • Transfer to PVDF or nitrocellulose membrane

• Blocking and antibody incubation:

  • Block membrane with 5% non-fat dry milk in TBST or PBST for 1 hour at room temperature

  • Dilute YOR394C-A Antibody in blocking solution (start with 1:1000 dilution)

  • Incubate overnight at 4°C with gentle rocking

• Detection:

  • Use appropriate secondary anti-rabbit IgG antibody

  • Detect using chemiluminescence or other suitable detection methods

How can I optimize ELISA protocols using YOR394C-A Antibody?

For ELISA applications, researchers should consider these optimization steps informed by antibody research practices :

• Antigen immobilization:

  • Determine optimal antigen concentration for coating (typically 1-10 μg/mL)

  • Use carbonate/bicarbonate buffer (pH 9.6) for coating

  • Coat plates overnight at 4°C

• Antibody dilution optimization:

  YOR394C-A Antibody dilution	Expected outcome	Application
  1:500	High signal	Low abundance detection
  1:1000	Moderate signal	General screening
  1:2000	Lower signal	High abundance targets

• Controls to include:

  • Positive control (known YOR394C-A-containing sample)

  • Negative control (sample lacking YOR394C-A)

  • Secondary antibody-only control (to assess background)

What could cause false negative results when using YOR394C-A Antibody?

Several factors can contribute to false negative results when using antibodies like YOR394C-A Antibody:

• Protein denaturation issues:

  • If the antibody recognizes conformational epitopes that are lost during sample processing

  • Try different sample preparation methods (native vs. denaturing conditions)

• Expression level considerations:

  • Low expression of YOR394C-A under certain growth conditions

  • Consider enrichment steps or growth condition optimization

• Technical factors:

  • Insufficient antibody concentration

  • Improper storage leading to antibody degradation (avoid repeated freeze-thaw cycles)

  • Inadequate incubation time

  • Incompatible buffer components

How can YOR394C-A Antibody potentially be used in immunoprecipitation studies?

While not specifically listed in the tested applications, polyclonal antibodies like YOR394C-A Antibody could potentially be optimized for immunoprecipitation (IP) studies:

• Basic IP protocol adaptation:

  • Pre-clear cell lysate with protein A/G beads

  • Incubate 2-5 μg of YOR394C-A Antibody with lysate (4°C overnight)

  • Add protein A beads (appropriate for rabbit IgG)

  • Wash thoroughly and elute for analysis

• Considerations for co-immunoprecipitation:

  • Use milder lysis buffers to preserve protein interactions

  • Include appropriate controls (IgG control, input sample)

  • Consider validation with reverse IP using antibodies against suspected interaction partners

Similar IP approaches have been used successfully with other antibodies for studying protein interactions, as demonstrated in research on autoimmune responses .

What considerations are important when designing experiments comparing wild-type and mutant strains?

When using YOR394C-A Antibody to compare protein expression or localization between wild-type and mutant yeast strains:

• Experimental design:

  • Include multiple biological replicates

  • Ensure consistent growth conditions and harvest points

  • Consider time-course experiments to capture dynamic changes

• Controls:

  • Loading controls for Western blots

  • Parallel analysis of known marker proteins

  • Complementation controls for mutant strains

• Quantification approach:

  • Use appropriate normalization methods

  • Account for potential differences in background signal

  • Apply statistical analysis to determine significance

How should quantitative data from YOR394C-A Antibody experiments be normalized?

For accurate quantification and comparison of YOR394C-A protein levels:

• Western blot normalization:

  • Normalize to total protein (using Ponceau S, SYPRO Ruby, or similar stains)

  • Use established housekeeping proteins as internal controls

  • Consider multiple reference proteins when experimental conditions might affect standard markers

• ELISA quantification:

  • Include a standard curve if purified protein is available

  • Express results relative to total protein concentration

  • Consider using internal reference samples across experiments

• Statistical approaches:

  • Apply appropriate statistical tests based on experimental design

  • Account for technical and biological variability

  • Consider transformation (e.g., log) for data with wide dynamic range

Similar normalization approaches have been used in antibody-based studies of other proteins .

What are potential biological implications of altered YOR394C-A expression in yeast?

When interpreting data related to YOR394C-A expression changes:

• Context considerations:

  • Growth phase effects on expression

  • Environmental stressors and their impact

  • Relationship to other cellular processes

• Functional implications to explore:

  • Correlation with phenotypic changes

  • Potential pathway involvement

  • Interactions with other proteins

• Validation approaches:

  • Corroborate antibody-based findings with orthogonal methods

  • Consider genetic approaches (gene deletion, overexpression)

  • Examine localization changes using microscopy

How might YOR394C-A Antibody be incorporated into protein interaction studies?

Understanding protein interactions can provide functional insights:

• Potential approaches:

  • Co-immunoprecipitation followed by mass spectrometry analysis

  • Proximity-dependent labeling techniques

  • Correlation of localization with known interaction partners

• Experimental considerations:

  • Cell lysis conditions to preserve interactions

  • Validation of interactions through reciprocal experiments

  • Controls to distinguish specific from non-specific interactions

These approaches are similar to methods used in studies of protein-protein interactions in other systems .

What role might YOR394C-A Antibody play in advancing yeast systems biology research?

As systems biology approaches become more prevalent:

• Integration with other techniques:

  • Correlation with transcriptomic data

  • Incorporation into proteome-wide studies

  • Validation of computational predictions

• Potential applications:

  • Verification of protein expression in different conditions

  • Assessment of post-translational modifications

  • Monitoring of protein localization dynamics

• Emerging methodologies:

  • Combination with CRISPR-based approaches in yeast

  • Integration with high-content microscopy

  • Application in synthetic biology validation

Similar systems biology approaches have been employed using antibodies for other research questions, such as in immune response studies .