Gene Symbol: SPBC17D11.03c
Full Name: Conserved fungal protein
Gene Type: Protein-coding
Organism: Schizosaccharomyces pombe (yeast model organism) .
Antibodies are Y-shaped glycoproteins with four polypeptide chains: two heavy (~50 kDa) and two light chains (~25 kDa). Their structure includes:
Variable Regions: Determine antigen specificity (paratope).
Constant Regions: Mediate effector functions (e.g., complement activation) .
| Antibody Component | Role | Source |
|---|---|---|
| Heavy Chains | Structural backbone, effector functions | |
| Light Chains | Antigen binding (paratope) | |
| Fc Region | Interacts with immune cells/mediators |
While no direct experimental data exists for this antibody, its target (a conserved fungal protein) suggests potential uses in:
Fungal Pathogen Research: For studying Schizosaccharomyces pombe or related species in disease models.
Antigen Detection: In diagnostics or immunoassays targeting fungal antigens.
Therapeutic Development: As a candidate for antifungal therapies, following successful examples of monoclonal antibodies in bacterial infections (e.g., CR-KP) .
Gene Expression: The SPBC17D11.03c gene is predicted to encode a mitochondrial protein, based on sequence homology to conserved fungal proteins .
Antibody Development: No records of SPBC17D11.03c-specific antibodies are found in commercial catalogs (e.g., Antibody Research Corporation) .
Functional Studies: Absence of experimental data limits mechanistic insights into the protein’s role or antibody efficacy.
KEGG: spo:SPBC17D11.03c
STRING: 4896.SPBC17D11.03c.1
SPBC17D11.03c is a protein from Schizosaccharomyces pombe (fission yeast) with UniProt accession number O74758. This protein is studied in fundamental research on yeast cellular processes. Antibodies targeting this protein allow researchers to investigate its expression, localization, and function within S. pombe, which serves as an important model organism for understanding eukaryotic cell biology. Research with this antibody contributes to our understanding of conserved cellular mechanisms across species .
SPBC17D11.03c antibody can likely be utilized in multiple experimental techniques similar to other research antibodies. These may include Western blotting, immunoprecipitation, immunohistochemistry, and ELISA. The compatibility depends on the specific antibody formulation and the experimental conditions. When establishing a new application, researchers should perform validation experiments with positive and negative controls to confirm specificity and optimal working conditions, similar to validation processes used for other antibodies like Human IL-17C antibody .
Based on standard antibody storage practices, SPBC17D11.03c antibody should likely be stored at 2-8°C for short-term use (up to 12 months from receipt). For applications requiring small aliquots, it's advisable to prepare single-use portions to avoid repeated freeze-thaw cycles. As with other antibodies, protection from light and avoiding freezing may help maintain reactivity and specificity over time .
For robust Western blot experiments, researchers should include:
Positive control: Lysate from wild-type S. pombe cells expressing SPBC17D11.03c
Negative control: Lysate from SPBC17D11.03c knockout/knockdown strain
Loading control: Antibody against a housekeeping protein like actin
Isotype control: Similar antibody of the same isotype but targeting an irrelevant protein
These controls help distinguish specific signals from non-specific binding and provide assurance of experimental validity, similar to control strategies used with other research antibodies .
For effective immunoprecipitation:
Determine optimal antibody concentration through titration experiments (typically 2-10 μg per reaction)
Test different lysis buffers to preserve protein-protein interactions relevant to your experiment
Consider crosslinking the antibody to beads to prevent antibody co-elution
Include appropriate negative controls (isotype antibody or pre-immune serum)
Validate specificity using Western blot analysis of immunoprecipitated material
These approaches resemble methodologies used for immunoprecipitation with other research antibodies, adapted for yeast cell experiments .
When experiencing weak signals:
Optimize fixation method (test aldehyde-based vs. organic solvent fixation)
Evaluate different cell wall digestion protocols specific for S. pombe
Increase antibody concentration incrementally (1:500 to 1:100 dilutions)
Extend primary antibody incubation time (overnight at 4°C)
Use signal amplification systems (tyramide signal amplification or high-sensitivity detection reagents)
Adjust image acquisition settings (exposure time, gain)
These approaches help maximize detection while maintaining specificity, similar to optimization strategies used for other antibodies in cellular imaging applications .
Comprehensive validation includes:
Comparing staining patterns in wild-type vs. SPBC17D11.03c deletion strains
Performing peptide competition assays with the immunizing peptide
Using multiple antibodies targeting different epitopes of the same protein
Correlating protein detection with mRNA expression data
Mass spectrometry analysis of immunoprecipitated proteins
These approaches provide multiple lines of evidence for antibody specificity, which is crucial for publication-quality research, following validation principles used for other research antibodies .
For successful flow cytometry with yeast cells:
Optimize cell fixation and permeabilization protocols specifically for S. pombe cell wall
Establish appropriate gating strategies based on cell size and granularity
Test different antibody concentrations to determine optimal signal-to-noise ratio
Include appropriate isotype controls to establish background fluorescence levels
Consider using fluorochrome-conjugated secondary antibodies with brightness appropriate for the expected protein abundance
These considerations address the unique challenges of yeast cell analysis by flow cytometry, adapting protocols similar to those used for other intracellular targets .
Cross-reactivity analysis requires:
Sequence alignment of SPBC17D11.03c with potential homologs in related species
Testing the antibody against lysates from multiple yeast species
Performing epitope mapping to identify the specific recognition sequence
Validating specificity through knockout/knockdown experiments in each species
Understanding cross-reactivity is essential for comparative studies across yeast species and ensures accurate interpretation of experimental results .
For quantitative analysis:
Use standardized lysate preparation methods to ensure consistent extraction efficiency
Establish a standard curve using recombinant SPBC17D11.03c protein if available
Implement densitometry analysis for Western blots with appropriate normalization
Consider ELISA-based quantification for higher throughput experiments
Use spike-in controls to account for extraction and detection variations
These quantitative approaches enable reliable comparison of protein levels across different conditions or mutant strains, similar to quantification methods used with other research antibodies .
For successful ChIP applications:
Optimize crosslinking conditions specifically for S. pombe cells
Develop sonication protocols that yield DNA fragments of appropriate size (200-500 bp)
Determine optimal antibody-to-chromatin ratio through titration experiments
Include appropriate controls (input DNA, IgG control, positive control region)
Validate ChIP efficiency using qPCR before proceeding to sequencing
These considerations address the specific challenges of performing ChIP in yeast cells and help ensure reliable results for protein-DNA interaction studies .
To investigate post-translational modifications:
Use modification-specific antibodies in combination with SPBC17D11.03c antibody
Perform immunoprecipitation followed by mass spectrometry analysis
Use phosphatase or deubiquitinase treatments to confirm modification-dependent signals
Develop site-specific mutants to validate modification sites
Compare modification patterns across different growth conditions or cell cycle phases
These approaches enable comprehensive characterization of protein regulation through post-translational modifications, similar to methodologies used to study modifications of other proteins .
For effective co-immunoprecipitation:
Select lysis conditions that preserve native protein interactions (mild detergents, physiological salt concentration)
Consider chemical crosslinking to stabilize transient interactions
Optimize antibody concentration to maximize target protein capture without saturating the system
Include appropriate negative controls (isotype antibody, unrelated protein antibody)
Validate interactions through reciprocal co-immunoprecipitation experiments
Confirm biological relevance through functional studies
These methodological considerations help identify genuine interaction partners while minimizing false positives, similar to co-immunoprecipitation approaches used with other antibodies .
To establish a quantitative ELISA:
Determine optimal coating conditions (antibody concentration, buffer, temperature)
Develop a standard curve using purified recombinant SPBC17D11.03c protein
Optimize detection antibody (consider using a different clone recognizing a distinct epitope)
Establish appropriate blocking conditions to minimize background
Validate assay specificity, sensitivity, and reproducibility
Determine the linear range and lower limit of detection
These systematic development steps enable creation of a reliable quantitative assay for SPBC17D11.03c protein, following principles used in developing ELISAs for other protein targets .